Fuse having an integrated measuring function, and fuse body

A fuse includes an integrated measuring function. In an embodiment, the fuse includes a fuse housing which in turn has a first receiving space delimited by a pressure body and a second receiving space which is spatially separated from the first receiving space and is delimited by a protective body, the first and second receiving spaces being arranged one behind the other in a direction of longitudinal extent. A fusible conductor is accommodated and mounted in the first receiving space and a measuring device is accommodated and mounted in the second receiving space. The measuring device has a current transformer and an electronic assembly which is electrically conductively connected to the current transformer. The current transformer and the electronic assembly are arranged one behind the other in the direction of longitudinal extent.

FUSE HAVING AN INTEGRATED MEASURING FUNCTION, AND FUSE BODY

A fuse includes an integrated measuring function. In an embodiment, the fuse includes a fuse housing including a first receiving space delimited by a pressure body and a second receiving space spatially separated from the first receiving space. A fusible conductor is mounted in the first receiving space and a measuring device is accommodated and mounted in the second receiving space. The measuring device has a current transformer and an electronic assembly, electrically conductively connected to the current transformer. Viewed in a direction of longitudinal extent, a height of the current transformer essentially corresponds to a height of the second receiving space. With the aid of the measuring device, it is possible to determine the electric current flowing through the fuse in the immediate vicinity of the fuse. Energy required is generated from the primary current of the fuse by electromagnetic induction, meaning no external power source is required. 1. A fuse including an integrated measurement function , the fuse comprising:a fuse housing, the fuse housing including 'a second reception space physically delimited from the first reception space;', 'a first reception space limited by a pressure body, and'}a fuse element, received and held in the first reception space;a measurement device, received and held in the second reception space, the measurement device including a transformer and an electronics assembly, electrically conductively connected to the transformer,wherein a height of the transformer, in a direction of longitudinal extent, corresponds substantially to a height of the second reception space, andwherein the electronics assembly is arranged laterally to the transformer, in a direction orthogonal to the direction of longitudinal extent.2. The fuse of claim 1 ,wherein the electronics assembly includes a printed circuit board.3. The fuse of claim 2 ,wherein the printed circuit board includes at least two rigid sections, electrically conductively ...

Externally mounted fuse box on a liquid-filled transformer and method for servicing

A fuse box mounted on a liquid-filled transformer is disclosed. The fuse box may include one or more fuse link assemblies securing one or more fuses within a base fuse box, a fuse holder coupling the one or more fuse link assemblies within the base fuse box, wherein the one or more fuse link assemblies are pulled-up from the fuse holder by hand to remove the one or more fuse link assemblies from the base fuse box. The fuse box may include a retaining ring to fasten the fuse holder to the one or more fuse link assemblies. The fuse box may include a method for servicing a fuse box on a liquid-filled transformer.

UNDERWATER TRANSFORMER SELF-PROTECTED BY A DEVICE INCLUDING A CIRCUIT BREAKER AND FUSES

TRANSFORMER EQUIPPED WITH A FUSE HOLDER

SYSTEM FOR PROTECTING AN INSULATED THREE-PHASE DISTRIBUTION TRANSFORMER IN A LIQUID DIELECTRIC

Electrical disconnection system for transformer immersed in dielectric isolating liquid

The electrical transformer disconnection system includes an earth connection that is mechanical (49) comprising electrical contacts (9A,9B,9C) for each phase. A spring (13) is used to displace the contacts towards fixed contacts (14A,14B,14C) and so connect the fuses (3A,3B,3C) to earth when a trigger (15) is operated by the fault detector (22). The system is armed by a lever (17) perpendicular to a rod (18) which is rotated so the lever pushes on a lug (21) on a bar (8). The sensor detecting excess pressure of the dielectric has a deformable membrane (23) whose surfaces are in contact with the dielectric and which is joined to the trigger with a certain play to allow expansion of the liquid without triggering the system. By using strike fuses, an excess current can operate levers to trigger the system.

Safety device for medium voltage/low voltage electrical distribution transformer for converting medium voltage into low voltage, has tank comprising feedthroughs, where number of feedthroughs is twice as number of supply phases of appliance

The device (3) has a hermetic tank (4) made of conducting material and connected to a ground potential. A protection unit (6) and an insulation unit (9) are integrated into the ground potential. The hermetic tank is filled with dielectric liquid or gas (5), and comprises electrical feedthroughs (11), where number of the feedthroughs is twice as number of supply phases of an electrical appliance (2) such that fuses (7) are not accessible and a switching and disconnecting device (10) is not resettable without the need to open the hermetic tank.

UNDERWATER TRANSFORMER SELF-PROTECTED BY A DEVICE INCLUDING A CIRCUIT BREAKER AND FUSES

Le transformateur électrique 1 comporte une cuve 4 contenant un diélectrique liquide ou gazeux 5, et dans laquelle sont immergés : un circuit primaire et un circuit secondaire, et un dispositif de protection relié au circuit primaire et comportant un disjoncteur 15 commandé par des moyens de déclenchement et un ou plusieurs fusibles 11. Les fusibles sont disposé entre une traversée 6 de la cuve et le disjoncteur 15. Les fusibles 11, le disjoncteur 15 et les moyens de déclenchement sont associés de telle manière que dans des conditions correspondant à un court-circuit aux bornes du circuit secondaire, les organes de contact du disjoncteur se séparent et interrompent le courant sans que ne débute une fusion du fusible, et qu'il existe une valeur seuil d'intensité du courant traversant le fusible, inférieure au pouvoir de coupure du pôle correspondant du disjoncteur et au delà de laquelle la fusion du fusible est achevée avant qu'un ordre de séparation des organes de contact donné par les moyens de déclenchement ait pu entraîner la séparation des contacts.

DEVICE FOR PROTECTING AN ISOLATION DISTRIBUTION TRANSFORMER IN A LIQUID DIELECTRIC

DEVICE FOR PROTECTING AN ELECTRONIC APPARATUS SUPPLIED BY A POLYPHASE NETWORK

SYSTEM FOR PROTECTING A THREE-PHASE ISOLATION DISTRIBUTION TRANSFORMER IN A LIQUID DIELECTRIC

Système de protection d'un transformateur de distribution triphasé à isolation dans un diélectrique liquide. Système de protection d'un transformateur de distribution triphasé à isolation dans un diélectrique liquide, deux (3, 4) au moins des trois phases (3, 4, 5) étant équipées, du côté haute tension du transformateur d'un fusible limiteur de courant (19, 20), caractérisé en ce qu'en série sur chacune des deux phases (3, 4) équipées d'un dit fusible limiteur de courant (19, 20), est disposé un microfusible (21, 22) de protection agissant dans la zone critique de fonctionnement du fusible limiteur de protection, le micro-fusible étant associé à un percuteur (23, 24) et en ce qu'il comporte au moins un moyen de détection de défaut (32, 33) concernant au moins l'un des deux points suivants: la pression dans la cuve et le niveau du diélectrique, un court-circuiteur triphasé (29, 30) étant situé sur la haute tension entre lesdits fusibles limiteurs de courant (19, 20) et les enroulements haute tension (1), ledit court-circuiteur étant commandé par ledit moyen (32, 33) de détection de défaut, le percuteur (23, 24) associé à chaque micro-fusible (21, 22) commandant également le court-ciruiteur (29, 30) en cas de fonctionnement du micro-fusible (21, 22). Protection system of a three-phase distribution transformer with insulation in a liquid dielectric. Protection system of a three-phase distribution transformer insulated in a liquid dielectric, two (3, 4) at least of the three phases (3, 4, 5) being equipped, on the high voltage side of the transformer with a limiting fuse current (19, 20), characterized in that in series on each of the two phases (3, 4) equipped with a said current limiting fuse (19, 20), a protective micro-fuse (21, 22) is arranged acting in the critical operating zone of the protection limiter fuse, the micro-fuse being associated with a striker (23, 24) and in that it comprises at least one fault detection means (32, 33) ...

Distribution transformer, has disconnection system with disconnecting switch, short circuit and micro-fuse that are placed in water tight dielectric liquid retention container placed in transformer

The transformer has a disconnection system with a fuse, a disconnecting switch, a short circuit and a micro-fuse. The disconnecting switch, short circuit and the micro-fuse are placed in a water tight dielectric liquid retention container (86) that is placed in the transformer. The disconnecting switch is placed downstream of the fuse and short-circuit.

INTEGRATION OF A PROTECTION DEVICE IN AN EXISTING TRANSFORMER

Medium/low voltage polyphase transformer protecting device for transformer substation, has cover made of insulating material to encase fuses, connection units and parts, immersed in insulation oil tank, of plug-in cross-arms of transformer

L'invention concerne un dispositif de protection d'un transformateur à isolation par bain dans une cuve contenant un diélectrique liquide, comprenant une pièce de traversée (4) d'une paroi (3) de la cuve pour relier électriquement l'extérieur de la cuve à un enroulement dudit transformateur, un fusible (7) relié électriquement audit enroulement, et un organe de liaison (6) reliant électriquement ladite pièce de liaison et ledit fusible.Ce dispositif comprend un enrobage étanche (13) en matériau isolant enrobant :- au moins l'extrémité de la partie immergée de la pièce de traversée située du côté du fusible,- au moins l'extrémité du fusible située du côté de la pièce de traversée, et- ledit organe de liaison.

Immersed electrical transformer protected.

Ce transformateur est pourvu d'un équipement d'auto-protection contre des anomalies internes constitué par: * une unité sensible aux modifications de caractéristiques du liquide diélectrique (pression, temps, etc.) induites par ces anomalies et comprenant: - un capteur 1 délivrant un signal proportionnel à ces modifications. - et un actionneur 2 pourvu d'un rupteur 5 non-réarmable de contact entre les phases de l'alimentation électrique u.v.w et les enroulements primaires correspondants du transformateur, et d'un déclencheur 6 de commande d'ouverture du rupteur 5 sollicité par le signal délivré par le capteur 1, lorsque l'amplitude dudit signal dépasse une valeur seuil préétablie de sécurité: * et une unité sensible aux surcharges en courant sur le réseau d'alimentation comprenant, sur chacune des phases de l'alimentation, une batterie de fusibles à seuils de coupure étagés 26, 27 montés en cascade. This transformer is fitted with self-protection equipment against internal anomalies consisting of: * a unit sensitive to changes in the characteristics of the dielectric liquid (pressure, time, etc.) induced by these anomalies and comprising: - a sensor 1 delivering a signal proportional to these modifications. - and an actuator 2 provided with a non-resettable contact breaker 5 between the phases of the power supply uvw and the corresponding primary windings of the transformer, and a release 6 for controlling the opening of the breaker 5 actuated by the signal delivered by sensor 1, when the amplitude of said signal exceeds a pre-established safety threshold value: * and a unit sensitive to current overloads on the supply network comprising, on each of the phases of the supply, a battery of fuses with stepped cut-off thresholds 26, 27 mounted in cascade.

PROTECTION SYSTEM OF A THREE-PHASE DISTRIBUTION TRANSFORMER WITH INSULATION IN A LIQUID DIELECTRIC CONTAINING A MICRO-SWITCH

Le système de protection d'un transformateur de distribution triphasé immergé dans un diélectrique liquide contenu dans une cuve (6) comprend sur deux (3, 4) des trois phases du côté haute tension du transformateur, un fusible limiteur de courant (19. 20) et un micro-fusible (21, 22) de protection disposé en série avec le fusible limiteur de courant. Le micro-fusible est plus rapide que le fusible limiteur de courant et est associé à un percuteur (23, 24). Il comporte en outre au moins un moyen (32. 33) de détection de défaut concernant au moins l'un des points suivants : la pression dans la cuve et le niveau du diélectrique, un court-circuiteur triphasé (29, 30, 31) situé sur la haute tension entre lesdits fusibles limiteurs de courant et les enroulements haute tension (1). Le court-circuiteur est commandé par le moyen de détection de défaut, le percuteur associé à chaque micro-fusible commandant également le court-circuiteur en cas de fonctionnement du micro-fusible. La troisième phase est équipée du côté haute tension du transformateur et en amont du court-circuiteur d'un micro-sectionneur (39) associé à un percuteur (40) commandant le court-circuiteur en cas de fonctionnement du micro-sectionneur ce qui permet de protéger le système contre des défauts phase-terre. The protection system of a three-phase distribution transformer immersed in a liquid dielectric contained in a tank (6) comprises on two (3, 4) of the three phases on the high voltage side of the transformer, a current limiting fuse (19. 20 ) and a protective micro-fuse (21, 22) arranged in series with the current limiting fuse. The micro-fuse is faster than the current limiting fuse and is associated with a striker (23, 24). It further comprises at least one fault detection means (32. 33) relating to at least one of the following points: the pressure in the tank and the level of the dielectric, a three-phase short-circuiter (29, 30, 31) located on the high voltage between said current ...

PROTECTION DECONNECTOR FOR THREE-PHASE ELECTRIC TRANSFORMERS

DEVICE FOR PROTECTING THE EFFECTS OF INTERNAL FAULTS OF AN ELECTRICAL APPARATUS

L'invention concerne un dispositif de protection contre des effets des défauts internes d'un appareil électrique, notamment d'un transformateur de distribution (1), ledit appareil électrique étant destiné à être immergé dans un liquide diélectrique contenu dans une cuve (2) et étant du type polyphasé, la cuve (2) étant reliée à la terre (3) et à une masse de la partie active (4) de l'appareil. Ce dispositif comprend un système de déconnexion desdites phases comportant un système de blocage en position connectée, un moyen de détection (5) d'un courant de terre circulant entre la terre et la masse de la partie active (4) de l'appareil; le moyen de détection (5) du courant de terre commandant le système de blocage lorsqu'un courant de terre est détecté de sorte que le système de déconnexion est placé en position déconnectée. The invention relates to a device for protecting against the effects of internal faults in an electrical device, in particular a distribution transformer (1), said electrical device being intended to be immersed in a dielectric liquid contained in a tank (2). and being of the polyphase type, the tank (2) being connected to the earth (3) and to a ground of the active part (4) of the device. This device comprises a system for disconnecting said phases comprising a system for blocking in the connected position, means for detecting (5) an earth current flowing between the earth and the earth of the active part (4) of the device; the earth current detection means (5) controlling the blocking system when an earth current is detected so that the disconnection system is placed in the disconnected position.

Arrangement of a carrier and an upper part and lid of a switching device with components of an electronics system integrated in the arrangement

METHOD, DEVICE AND SYSTEM FOR PROTECTING AN ELECTRICAL APPARATUS, AND TRANSFORMER AND STATION COMPRISING SUCH A DEVICE OR SYSTEM

L'invention vise à assurer une protection efficace et fiable contre les surcharges du transformateur. Pour ce faire, l'invention se base sur la mesure de la température réelle des enroulements électriques pour prendre en compte l'inertie thermique du transformateur. Selon l'invention, un exemple de dispositif de protection (3) contre les surcharges d'un transformateur polyphasé (1) comporte un interrupteur du courant d'alimentation en moyenne-tension (20), une commande (3) de cet interrrupteur (20), et une sonde thermique (9) soumise à la température de la partie active (4) de l'appareil (1) à protéger. L'interrupteur (20) et son mécanisme de commande (6) sont intégrés dans le volume de diélectrique liquide de l'appareil. L'interrupteur rotatif (20) est placé dans la cuve (2) du transformateur (1) pour chaque phase (A, B, C) alimentant le transformateur (1). Cet interrupteur (20) peut être fermé extérieurement par une manette à levier (100). Un mécanisme tumbler (6) assure une vitesse des contacts à la fermeture indépendante de la vitesse de la manette (100). Ce mécanisme permet également, grâce au ressort (7), l'ouverture de l'interrupteur (20) suite à l'action d'un électroaimant (8) en liaison avec la sonde (9). La tension d'alimentation de l'électroaimant (8) est prélevée sur l'enroulement basse-tension (10) des phases basses tensions (a ,b, c) accompagnées du neutre (n) . The invention aims to provide effective and reliable protection against transformer overload. To do this, the invention is based on the measurement of the actual temperature of the electric windings to take into account the thermal inertia of the transformer. According to the invention, an example of a protection device (3) against the overloads of a polyphase transformer (1) comprises a switch of the medium-voltage supply current (20), a control (3) of this switch ( 20), and a thermal probe (9) subjected to the temperature of ...

transformer

Relay module

ヒューズ部の少なくとも一部は、第１負荷リレーと第１充電リレーとの間に位置し、電流検出部の少なくとも一部は、第２負荷リレーと前記第２充電リレーとの間に位置する。電流検出部は、絶縁層に接触しており、側方から見て、ヒューズ部は電流検出部より下方に位置し、ヒューズ部は、電流検出部に接触していない。

Switch to disconnect an electrical appliance from an electrical mains

Electromechanical disconnector between a high-voltage overhead transmission line and a voltage transformer

An electro-mechanical disconnector (9) mounted between an HV overhead power line conductor (5) and a voltage transformer (6), mounted on a support of the support power line (1) of HV overhead power line conductors. The electro-mechanical disconnector (9) comprises an isolating element (10) and a sacrificial element (11) arranged in series with each other. The sacrificial element (11) is made of a material capable of melting upon the passage of a fault current, and the sectioning element (10) is capable of moving to an electrically insulating distance from the conductor following the melting of the element (11).

Circuit breaker to disconnect electrical equipment electric network.

L'invention concerne un coupe-circuit qui, dans une situation de défaut, est agencé pour débrancher sur chaque borne un appareil électrique tel qu'un transformateur de distribution d'un réseau à tension moyenne ou d'un réseau à haute tension. Au moins un mécanisme à ressort de liaison (9 à 12) est agencé sur un arbre (6) pour maintenir les contacts (1,2) en service en position de connexion et pour les écarter par poussée vers la position extreme de déconnesion lorsqu'ils sont déconnectés, tandis que l'arbre (6) est amené à traverser le point mort de sa rotation. Pour une libération initiale, l'arbre (6) est doté sur chaque phase d'un bras de levier (8), chaque bras de levier de chaque phase étant agencé pour faire tourner au-delà du point mort de la rotation de l'arbre l'arbre (6) du coupe-circuit et donc les contacts mobiles (1) de toutes les phases hors de ladite position de connexion, au moyen d'un goujon de déclenchement (19) d'un percuteur (18) d'un fusible à haute tension (17). The invention relates to a circuit breaker which, in a fault situation, is arranged to disconnect on each terminal an electrical device such as a distribution transformer of a medium voltage network or a high voltage network. At least one connecting spring mechanism (9 to 12) is arranged on a shaft (6) to maintain the contacts (1,2) in service in the connection position and to move them by pushing towards the extreme disconnection position when they are disconnected, while the shaft (6) is caused to cross the neutral point of its rotation. For an initial release, the shaft (6) is provided on each phase with a lever arm (8), each lever arm in each phase being arranged to rotate beyond the neutral point of rotation of the shaft the shaft (6) of the circuit breaker and therefore the movable contacts (1) of all the phases outside of said connection position, by means of a trigger stud (19) of a striker (18) of a high voltage fuse (17).

PROTECTION SYSTEM FOR A THREE-PHASE DISTRIBUTION TRANSFORMER WITH INSULATION IN A LIQUID DIELECTRIC COMPRISING A MICRO-SWITCH

Protected electrical inductive apparatus

21 48,560 ABSTRACT OF THE DISCLOSURE Protected liquid-filled electrical inductive apparatus having a dry well fuse assembly which includes a dry well fuse holder sealingly disposed through an opening in the associated metallic casing, separate from the electrical bushings, and a removable fuse portion. Ioni-zation of the air within the fuse holder is prevented by a resilient plug mounted on the removable fuse portion which, when the fuse portion is assembled within the dry well fuse holder, is immediately adjacent to the elec-trical terminal which is closest to the grounded casing. The resilient plug member provides an air seal adjacent to the terminal without providing a pressure seal within the receptacle.

Fuse cutout with integrated measurement function

La invención se refiere a un fusible con función de medida integrada, comprendiendo dicho fusible una carcasa de fusible que a su vez presenta un primer espacio receptor delimitado por un cuerpo de presión y un segundo espacio receptor separado espacialmente del primer espacio receptor y delimitado por un cuerpo protector, estando dispuestos el primer y el segundo espacio de recepción uno detrás del otro en una dirección de extensión longitudinal. Un conductor fusible está alojado y montado en el primer espacio receptor y un dispositivo de medición está alojado y montado en el segundo espacio receptor. El dispositivo de medición tiene un transformador de corriente y un conjunto electrónico que está eléctricamente conectado al transformador de corriente, en el que el transformador de corriente y el conjunto electrónico están dispuestos uno detrás del otro en la dirección de la extensión longitudinal. Con la ayuda del dispositivo de medición (120), es posible determinar la corriente eléctrica que fluye a través del fusible (100) en las inmediaciones del fusible (100). La energía necesaria para ello se genera a partir de la corriente primaria del fusible (100) por inducción electromagnética con la ayuda del transformador de corriente (121), lo que significa que no se necesita una fuente de alimentación externa para suministrar energía al dispositivo de medición (120). (Traducción automática con Google Translate, sin valor legal) The invention relates to a fuse with an integrated measurement function, said fuse comprising a fuse housing which in turn has a first receiver space delimited by a pressure body and a second receiver space spatially separated from the first receiver space and delimited by a protective body, the first and second receiving spaces being arranged one behind the other in a longitudinal extending direction. A fusible conductor is housed and mounted in the first receiving space and a measuring device is housed and mounted in the second receiving ...

Disconnecting-limiting device for protection of three=phase electrical transformer - has limiter operated short circuit shorting two other phases when first is limited

The protection device is for a three-phase transformer, each transformer phase having a limiter or fuse (6) covered by an outer cover and connected across the phase input and output wires (8,9). Each output wire has a protruding tab connection (21). Each limiter has a mechanism moving an external arm (14). The arm trips a contact section (16) with an inner spring, which comes down to short out the other two phase connections.

Arrangement of a carrier and an upper part and lid of a switching device with components of an electronics system integrated in the arrangement

Fuse tube device and load break fuse cutout assembly having ihe same

A fuse tube device is disclosed. The fuse tube device is allowed to be assembled with an insulation device so as to form a load break fuse cutout fully closed. The fuse tube comprises: an insulation housing, an accommodation tube, a first electrical connection unit, a second electrical connection unit, a conductive rod, a fuse element, a first conductive plate, a first cover, a second conductive plate, and a second cover. When assembling the fuse tube device with the insulation device, a first embedding member and a second embedding member of the insulation housing are embedded into a first terminal connecting opening and a second terminal connecting opening of the insulation device, such that the first electrical connection unit and the second electrical connection unit contact a first terminal connecting member and a second terminal connecting member of the insulation device, respectively.

Fuse cutout with integrated measuring function and cutout

按照本发明的具有集成的测量功能的熔断保险装置具有保险装置壳体，所述保险装置壳体本身具有由受压体限定的第一容纳空间以及与所述第一容纳空间在空间上分开的、由保护体限定的第二容纳空间，所述第一容纳空间和第二容纳空间沿着纵向延伸方向前后相继地布置。在此，在第一容纳空间中容纳并且固持有熔断导体，在第二容纳空间中容纳并且固持有测量装置。测量装置具有电流互感器以及与所述电流互感器导电地连接的电子组件，其中，所述电流互感器和电子组件沿着纵向延伸方向前后相继地布置。借助测量装置(120)实现的可能性为，紧邻熔断保险装置(100)地检测流动通过所述熔断保险装置(100)的电流。为此所需的能量在此借助电流互感器由熔断保险装置(100)的初级电流通过电磁感应产生，从而不需要外部的电流源来为测量装置(120)供给能量。

A multiphase medium voltage vacuum contactor

A multiphase medium voltage vacuum contactor comprising a mounting frame (10) on which there are positioned: - for each phase, a current interrupter (1) comprising a vacuum bulb which contains a fixed contact and a corresponding movable contact; - an actuator (20) for moving the movable contacts between a closed position where they are coupled each to a corresponding fixed contact and an open position where they are each electrically separated from the corresponding fixed contact, and an electronic unit driving the actuator. A voltage transformer (30) for feeding the electronic unit is mounted on the frame and is at least partially encased by an electrically insulating coating; one or more sacrificial fault-protection devices (50) are operatively associated to the voltage transformer and are embedded into the electrically insulating coating. Current sensors for motor protections can be also embedded into the insulating coating.

Switch to disconnect the electrical device from the mains

Fuse cutout with integrated measuring function and cutout

本发明涉及一种具有集成的测量功能的熔断保险装置(100)，所述熔断保险装置具有保险装置壳体(110)，所述保险装置壳体本身具有由受压体(113)限定的第一容纳空间(115)以及与所述第一容纳空间(115)在空间上分隔开的第二容纳空间(116)。在此，熔断导体(105)容纳并且固持在第一容纳空间(115)中，测量装置(120)容纳并且固持在第二容纳空间(116)中。测量装置(120)在此具有电流互感器(121)以及与所述电流互感器(121)导电地连接的电子组件(122)。沿着纵向延伸方向(L)观察，所述电流互感器(121)的高度(H)在此基本上与第二容纳空间(116)的高度相等，因此电子组件(122)沿着与所述纵向延伸方向(L)垂直的方向布置在所述电流互感器(121)的侧面。借助测量装置(120)提供了紧邻所述熔断保险装置(100)地确定流过熔断保险装置(100)的电流的可能性。为此需要的能量在此借助电流互感器(121)通过电磁感应由熔断保险装置(100)的初级电流产生，因此不需要外部的电流源用于测量装置(120)的能量供给。

Electrical equipment for distribution network with fault detection, disconnection and elimination system

Measurement module for a fuse-holder base

本发明涉及用于保险丝盒座的测量模块(100、100’、101、101’、100”)，与现有的测量模块相比，其更通用、更有用并更优化，而且所需用于电缆的空间更小，其中，测量模块(100、100’、101、101’、100”)可连接至保险丝盒座(1)的输出触点(5、5’)，至少一个强度互感器安装在保险丝盒座(1)上以提供至少一个模拟电流测量信号；其中，测量模块(100、100’、101、101’、100”)还具有模拟至数字转换器(40)，模拟至数字转换器(40)具有配置为接收模拟电流测量信号的至少一个模拟输入端(41)，并且具有包括至少一个数字输出端(110)的至少一个数字连接端口。

Switch-disconnector device and switch-fuse device with fuse

Lasttrennschaltervorrichtung (100) oder Schaltersicherungsvorrichtung (100') zur Aufnahme mindestens einer Sicherung oder eines Sicherungsstöpsel für eine Sicherung, die ein Gehäuse (110, 110') und mindestens einen Eingangsanschluss (120, 120') zum Anschluss an eine Stromversorgung und mindestens einen Ausgangsanschluss (140, 140') zum Anschluss an mindestens ein elektrisches Gerät umfasst, wobei die Lasttrennschaltervorrichtung (100) oder die Schaltersicherungsvorrichtung (100') für jede Sicherung jeweils einen Fußkontakt (160, 106') und einen Kopfkontakt innerhalb des Gehäuses (110, 110') umfasst, die so ausgebildet sind, dass sie bei eingesetzter Sicherung und im Betriebszustand jeweils in Kontakt mit einem zugehörigen Fußkontakt (160, 160') und einem zugehörigen Kopfkontakt der Sicherung gebracht werden können,wobei der Fußkontakt (160, 160') der Lasttrennschaltervorrichtung (100) oder der Schaltersicherungsvorrichtung (100') zumindest in einem Teilbereich (162) so ausgebildet ist, dass er eine flache Oberfläche aufweist, die in Richtung eines Fußkontaktes (322, 322') einer einzusetzenden Sicherung ausgerichtet ist,wobei der Fußkontakt (160, 160') der Lasttrennschaltervorrichtung (100) oder der Schaltersicherungsvorrichtung (100') innerhalb dieses Teilbereichs (162) eine Erhebung aufweist, die sich in Richtung auf den Fußkontakt (322, 322') einer einzusetzenden Sicherung erstreckt und die die in ihrem dem Fußkontakt (322, 322') der Sicherung zugewandten Bereich direkt oder indirekt in einen elektrischen Kontakt mit dem Fußkontakt (322, 322') der Sicherung gebracht werden kann,wobei die Lasttrennschaltervorrichtung (100) oder die Schaltersicherungsvorrichtung (100') an jedem der Fußkontakte (160, 160') eine Rogowskispule (400, 400') umfasst, die eine Öffnung aufweist, die die Erhebung des Fußkontakts (160, 160') zumindest teilweise umgreift.

CIRCUIT BREAKER FOR DISCONNECTING AN ELECTRICAL APPARATUS FROM AN ELECTRICAL NETWORK

Immersed transformer self-protected by a device including a circuit breaker and fuses

Medium voltage multi-phase vacuum contactor

Contactor de vacío polifásico de media tensión (100) adecuado para ser conectado a un circuito eléctrico polifásico asociado (101), que comprende: - un bastidor de montura (10) sobre el que hay situados: - para cada fase, un interruptor de corriente adecuado para estar operativamente conectado a una fase correspondiente de dicho circuito eléctrico polifásico (101), dicho interruptor de corriente contiene un pistón de vacío (1) que contiene un contacto fijo (2) y un contacto móvil (3) correspondiente; - un accionador (20) para el movimiento de los contactos móviles (3) entre una posición cerrada donde cada uno de los contactos móviles (3) está acoplado a un contacto fijo correspondiente (2) y una posición abierta donde cada uno de los contactos móviles (3) está eléctricamente separado del contacto fijo correspondiente (2); - una unidad electrónica (40) que acciona dicho accionador (20); caracterizado por que contiene además: - un transformador de tensión (30) para la alimentación de dicha unidad electrónica (40), estando montado dicho transformador de tensión sobre dicho bastidor (10) y al menos parcialmente revestido por un revestimiento eléctricamente aislante (31); y - uno o varios dispositivos sacrificiales para protección de fallos (50) que están operativamente conectados con dicho transformador de tensión (30) y están incrustados en dicho revestimento eléctricamente aislante (31). Medium voltage multi-phase vacuum contactor (100) suitable to be connected to an associated multi-phase electrical circuit (101), comprising: - a mounting frame (10) on which are located: - for each phase, a current switch suitable for being operatively connected to a corresponding phase of said multi-phase electrical circuit (101), said current switch contains a vacuum piston (1) containing a fixed contact (2) and a corresponding mobile contact (3); - an actuator (20) for the movement of the mobile contacts (3) between a closed position where each of the mobile contacts (3) is ...

Switching device having a supporting part and having a component of an electronic system arranged on the supporting part

Dispositivo de conmutación (1), en particular regleta de conexión para fusibles de baja tensión-alta potencia, que presenta una parte de soporte (2) y que presenta un componente (16, 17, 18) de un sistema electrónico dispuesto en la parte de soporte (2), presentando la parte de soporte (2) una base (3) y una parte de montaje (4) que puede unirse con la base (3), estando dispuesto en un lado anterior (6) de la base (3) al menos un par de contactos (5), para recibir un fusible eléctrico o una cuchilla seccionadora, caracterizado por que en la parte de montaje (4) está montado el componente (16, 17, 18) del sistema electrónico, estando fijado el componente (16, 17, 18) del sistema electrónico a la parte de montaje (4) de manera separable, pudiendo colocarse la parte de montaje (4) sobre la base (3), con el componente (16, 17, 18) del sistema electrónico montado en la parte de montaje (4), desde el lado anterior (6) de la base (3). Switching device (1), in particular connection strip for low voltage-high power fuses, which has a support part (2) and which has a component (16, 17, 18) of an electronic system arranged in the part of support (2), the support part (2) presenting a base (3) and a mounting part (4) that can be joined with the base (3), being arranged on a front side (6) of the base ( 3) at least one pair of contacts (5), to receive an electric fuse or a sectioning blade, characterized in that the component (16, 17, 18) of the electronic system is mounted in the mounting part (4), being fixed the component (16, 17, 18) of the electronic system to the mounting part (4) in a removable manner, the mounting part (4) being able to be placed on the base (3), with the component (16, 17, 18) of the electronic system mounted on the mounting part (4), from the front side (6) of the base (3).

DEVICE FOR PROTECTING A BATHTUB ISOLATED TRANSFORMER IN A LIQUID DIELECTRIC CONTAINER

Improved device protecting against internal faults in a three-phase transformer

The fault protection mechanism protects a three phase transformer (1) immersed in a dielectric liquid in a tank (2). There is a detector (5) of an earth current circulating between earth (3) and the transformer body (4). When a fault is detected, a trip control (8) breaks the circuit. There are two levels of disconnection providing a safety element.

Method, device and system for protecting an electrical appliance, as well as a transformer and a substation comprising such a device or system

PROTECTION SWITCH FOR DISCONNECTING AN ELECTRICAL DEVICE FROM AN ELECTRICAL NETWORK

Protection system for triphase electric transformer, has disconnection device provided such that connection unit of power supply phase not provided with fuses is displaced from connected state to disconnected state after other supply phases

The system has a disconnection device (5) with disconnection units (6) for three power supply phases (3). Fuses (8, 9) of a safety device (7) cut electric current from two of the phases and control a blocking device (13) of the disconnection device to pass the units from a connected state to a disconnected state. The third phase is not provided with the fuses, and the disconnection device is provided such that the unit of the third phase not provided with the fuses is displaced from the connected state to the disconnected state after the two phases. An independent claim is also included for a polyphase electric transformer comprising a tank.

Submerged transformer, self-protected by a device comprising a circuit breaker and fuses

Protected submerged electric transformer.

Module de transformation du courant pour un appareillage electrique de coupure du type sectionneur a fusible nh

L'invention concerne un module de transformation du courant pour un appareillage électrique de coupure comportant une première borne de sortie et une deuxième borne de sortie disposée au-dessus de la première borne de sortie selon une première direction en étant décalées l'une par rapport à l'autre selon une deuxième direction sensiblement perpendiculaire à la première direction, ledit module de transformation du courant comprenant un premier bloc de mesure (1) et un deuxième bloc de mesure (4), caractérisé en ce que le premier bloc de mesure (1) et le deuxième bloc de mesure (4) comprennent respectivement un premier boîtier (10) et un deuxième boîtier (11) comportant chacun des premiers moyens d'assemblage (13a) et des deuxièmes moyens d'assemblage, ledit module de transformation du courant comprend un socle d'assemblage (14) comportant des moyens d'assemblage (15), les moyens d'assemblage (15) du socle d'assemblage (14) et les premiers moyens d'assemblage (13a) du premier boîtier (10) et les deuxièmes moyens d'assemblage du deuxième boîtier (11) étant agencés pour assembler le premier boîtier (10) et le deuxième boîtier (11) entre eux de sorte à être superposés selon la première direction en étant décalés l'un par rapport à l'autre selon la deuxième direction.

Schutzsystem für einen dreiphasenverteiltransformator mit einer durch ein dielektrisches fluidum unterstützten isolierung mit einem mikroschalter

Passive fault protection arrangement for a measuring voltage transformer or a power voltage transformer for use in high voltage applications

The invention relates to a passive fault protection arrangement for a measuring voltage transformer (1) or a power voltage transformer (1) for use in high voltage applications, comprising the voltage transformer (1) comprising a composite insulator (2) with a first high voltage terminal (3), and a post insulator (4) comprising a second high voltage terminal (6) configured for connecting a high voltage line (8), whereby the voltage transformer (1) comprises a moving contact (9) electrically connected with a first end to the first high voltage terminal (3) and a spring charged operating mechanism (10) configured for moving the moving contact (9) from a connected state, in which a second opposed end of the moving contact (9) is electrically connected to the second high voltage terminal (6), to an unconnected state, in which the second end is electrically disconnected from the second high voltage terminal (6), and the post insulator (4) comprises an activator (11) configured for, if an overcurrent occurs in the high voltage line (8), electrically disconnecting the second end from the second high voltage terminal (6) such that the spring charged operating mechanism (10) moves the moving contact (9) from the connected state into the unconnected state.

用于在重新配对时实现更高安全性的设备和方法

为了将设备的数据提供给应用，设置经由通信节点的数据路由。在此，设备将数据无线地传送到通信节点。为此，如前面所述需要将所述设备与通信节点配对，该配对借助安装密钥执行。然后，数据传输本身利用在配对过程中确定的链接密钥确保安全。当为了替换或者重新连接通信节点，执行重新配对时，检查与通信节点的可达性有关的至少一个标准，并且将根据标准缺少可达性用作使用安装密钥替换链接密钥以进行重新配对的前提条件。本发明增强了对想要未经授权就访问设备的干扰者的防护。

Stromwandlereinheit

Fuse element and fuse

A fuse element for a fuse with an integrated measurement function, includes a first receiving area in an embodiment, for receiving a melting conductor of the fuse, delimited in the length direction of the fuse by a closure element and in a direction orthogonal to the length direction by the fuse element. Further, in an embodiment, the fuse element has a second receiving area, physically separated from the first receiving area, for receiving a measuring device of the fuse. The second receiving area is designed to receive the measuring device in a wall section of the fuse element. The second receiving area formed in the fuse element protects the measuring device arranged therein against interfering environmental influences. The measuring device is used to ascertain the electric current flowing through the fuse directly on the fuse.

공장 자동화 시스템에서의 전원 차단 장치

본 고안은 공장 자동화 시스템에서의 전원 차단 장치에 관한 것으로, 본 고안에 따른 공장 자동화 시스템에서의 전원 차단 장치는, 전원 차단기를 통하여 입력되는 상용 전원을 공급받고 복수의 통신단과 통신을 하여 각 통신단을 제어하는 메인 제어단과, 상기 전원 차단기의 하위 전원 배선에 각각 병렬로 연결되어 상용 전원을 공급받아 부하에 각각 전원을 공급하며 상기 메인 제어단과, 상기 각 통신단 전원 입력 배선에 설치되어 통신단의 과부하시에 해당 통신단으로의 전원공급을 차단하는 전원 차단 소자를 포함하여 구성된 것을 특징으로 한다.

Kabelkanal, Sicherungssockel und Überwachungssystem

Kanal (200) für Überwachungskabel (102), wobei die Überwachungskabel (102) zum Übertragen von Parametern geeignet sind, die durch mehrere zusätzliche Überwachungselemente (104) überwacht werden, welche mit zumindest einem Sicherungssockel (101) einer Stromverteilungsplatine (100) verbunden sind, und wobei der Kanal (200) zumindest einen Durchgang (202) zum Leiten und Führen von Überwachungskabeln (102) umfasst, und wobei der Durchgang (202) zum Einfassen der Überwachungskabel (102) geeignet ist, sodass der Kanal (200) morphologisch zum Ausbilden, zusammen mit anderen gleichartigen Kanälen (200) in benachbarten Sicherungssockeln (101), eines modularen Systems von Durchgängen geeignet ist, welche, wenn sie einer neben dem anderen angeordnet sind, einen fortlaufenden Kanal für die Überwachungskabel (102) erzeugen, und wobei der Kanal (200) wie eine Abdeckung für die Überwachungskabel (102) wirkt, und wobei der Kanal (200) eine Schutzstruktur umfasst, die Zugang zu den Überwachungskabeln (102) verhindert, dadurch gekennzeichnet, dass die Schutzstruktur zumindest zwei Seitenflächen umfasst, die parallel zur Führungsrichtung verlaufen und einen Winkel zwischen den Seitenflächen ausbilden.

打印头管芯中的无支撑顶盖层

在示例实施方式中，提供了一种打印头管芯。该打印头管芯包括：基部；腔室层，其形成于所述基部上；多个打印流体喷射腔室，其联接到腔室层的相反侧并且沿着腔室层的长度；以及顶盖层，其形成在腔室层和多个打印流体喷射腔室上。腔室层包括空间用于储存打印流体。顶盖层包括位于空间上方的起始无支撑顶盖层部分，其中，起始无支撑顶盖层部分包括第一端部，第一端部比第二端部更窄。

Schutzschalter zum trennen eines elektrischen geräts von einem elektrischen netz

Apparatus and method for achieving higher security on re-pairing

For providing data of an apparatus for applications, routing of the data via a communication node is provided. In this case, the apparatus communicates the data wirelessly to the communication node. This necessitates pairing the apparatus with the communication node beforehand, which is carried out with the aid of an installation key. The data transfer itself is then secured with a connection key defined during the pairing. If replacing or reconnecting the communication node necessitates carrying out re-pairing, at least one criterion relating to the reachability of the communication node is checked and the lack of reachability as per the criterion is made into the prerequisite for using the installation key instead of the connection key for re-pairing. At least one embodiment of the invention increases protection against interferers wanting to access the apparatus in an unauthorized manner.

Systems and methods for monitoring electrical fuses

A fuse monitoring device for monitoring a fuse supported by a fuse block, the fuse monitoring device including a housing. The housing includes a holder attachment mechanism configured to connect the fuse monitoring device to a fuse block. The housing also includes a mounting attachment mechanism configured to connect the fuse monitoring device to a mounting structure and at least one sensor configured to be operably connected to a fuse and configured to measure fuse data associated with the fuse. The monitoring device further includes at least one processor communicatively coupled to the at least one sensor.

Selbstättig geschützter eingetauchter mehrphasiger elektrischer transformator

Conduta de cabo, bloco de fusíveis e sistema de monitorização

Module de transformation du courant pour un appareillage électrique de coupure du type sectionneur à fusible NH

Module de transformation du courant pour un appareillage électrique de coupure du type sectionneur à fusible NH L’invention concerne un module de transformation du courant pour un appareillage électrique de coupure comportant une première borne de sortie et une deuxième borne de sortie disposée au-dessus de la première borne de sortie selon une première direction en étant décalées l’une par rapport à l’autre selon une deuxième direction sensiblement perpendiculaire à la première direction, ledit module de transformation du courant comprenant un premier bloc de mesure (1) et un deuxième bloc de mesure (4), caractérisé en ce que le premier bloc de mesure (1) et le deuxième bloc de mesure (4) comprennent respectivement un premier boîtier (10) et un deuxième boîtier (11) comportant chacun des premiers moyens d’assemblage (13a) et des deuxièmes moyens d’assemblage, ledit module de transformation du courant comprend un socle d’assemblage (14) comportant des moyens d’assemblage (15), les moyens d’assemblage (15) du socle d’assemblage (14) et les premiers moyens d’assemblage (13a) du premier boîtier (10) et les deuxièmes moyens d’assemblage du deuxième boîtier (11) étant agencés pour assembler le premier boîtier (10) et le deuxième boîtier (11) entre eux de sorte à être superposés selon la première direction en étant décalés l’un par rapport à l’autre selon la deuxième direction. Figure à publier avec l’abrégé : Fig. 3

Assembly of a melting fuse with knife blade contacts and an electric measuring apparatus, as well as a melting fuse suitable for use in such an assembly

Assembly of a fuse (1) with knife blade contacts (11', 11 ") and an electric measuring apparatus (2) with knife blade contacts (11', 11"), which are with regard to the casing (10) arranged outside of its central area and oriented substantially parallel offset apart from said central plane (S). Said electric measuring apparatus (2) comprises a casing (20), which is L-shaped in its profile, and comprises two chambers (20', 20"), wherein a primary chamber (20') is furnished with a throughout passage (21), for receiving a knife blade contact (11', 11") of the fuse (1) and the components of the measuring apparatus (2), which must during the operation be maintained in electric contact with said knife blade contact (11', 11 "), while a secondary chamber (20") of the casing (20) of the measuring apparatus (2), is adjusted for being rest on the casing (10) of the fuse (1).

Systems and methods for monitoring electrical fuses

A fuse monitoring device for monitoring a fuse supported by a fuse block, the fuse monitoring device including a housing. The housing includes a holder attachment mechanism configured to connect the fuse monitoring device to a fuse block. The housing also includes a mounting attachment mechanism configured to connect the fuse monitoring device to a mounting structure and at least one sensor configured to be operably connected to a fuse and configured to measure fuse data associated with the fuse. The monitoring device further includes at least one processor communicatively coupled to the at least one sensor.

Systems and methods for monitoring electrical fuses

A fuse monitoring device for monitoring a fuse is disclosed. The fuse monitoring device includes at least one sensor, at least one processor and a housing. The sensor is configured to be operably connected to the fuse and configured to measure fuse data associated with the fuse. The sensor includes a current sensor that includes a frame and a core. The at least one processor is communicatively coupled to the at least one sensor and is configured to transmit the fuse data. The housing includes a mounting block that includes an inner opening. The frame of the current sensor is configured within the inner opening of the mounting block.

Verbesserte vorrichtung zum schutz gegen interne fehler im dreiphasen-transformator

Trennschalter für stromausrüstung, die mit dielektrischer flüssigkeit gefüllt ist

Cable duct, fuse block and monitoring system

Unsupported top hat layers in printhead dies

In example implementations, a printhead die is provided. The printhead die includes a substrate, a chamber layer formed on the substrate, a plurality of printing fluid ejection chambers coupled to opposite sides of the chamber layer and along a length of the chamber layer, and a top hat layer formed on the chamber layer and the plurality of printing fluid ejection chambers. The chamber layer includes a void to store printing fluid. The top hat layer includes an initial unsupported top hat layer portion over the void, wherein the initial unsupported top hat layer portion comprises a first end that is narrower than a second end.

Systems and methods for monitoring electrical fuses

A fuse monitoring device for monitoring a fuse supported by a fuse block, the fuse monitoring device including a housing. The housing includes a holder attachment mechanism configured to connect the fuse monitoring device to a fuse block. The housing also includes a mounting attachment mechanism configured to connect the fuse monitoring device to a mounting structure and at least one sensor configured to be operably connected to a fuse and configured to measure fuse data associated with the fuse. The monitoring device further includes at least one processor communicatively coupled to the at least one sensor.

Systems and methods for monitoring electrical fuses

A fuse monitoring device for monitoring a fuse supported by a fuse block, the fuse monitoring device including a housing. The housing includes a holder attachment mechanism configured to connect the fuse monitoring device to a fuse block. The housing also includes a mounting attachment mechanism configured to connect the fuse monitoring device to a mounting structure and at least one sensor configured to be operably connected to a fuse and configured to measure fuse data associated with the fuse. The monitoring device further includes at least one processor communicatively coupled to the at least one sensor.

Assembly of a melting fuse with knife blade contacts and an electric measuring apparatus, as well as a melting fuse suitable for use in such an assembly

Assembly of a fuse (1) with knife blade contacts (11', 11 ") and an electric measuring apparatus (2) with knife blade contacts (11', 11"), which are with regard to the casing (10) arranged outside of its central area and oriented substantially parallel offset apart from said central plane (S). Said electric measuring apparatus (2) comprises a casing (20), which is L-shaped in its profile, and comprises two chambers (20', 20"), wherein a primary chamber (20') is furnished with a throughout passage (21), for receiving a knife blade contact (11', 11") of the fuse (1) and the components of the measuring apparatus (2), which must during the operation be maintained in electric contact with said knife blade contact (11', 11 "), while a secondary chamber (20") of the casing (20) of the measuring apparatus (2), is adjusted for being rest on the casing (10) of the fuse (1).

Assembly of a melting fuse with knife blade contacts and an electric measuring apparatus, as well as a melting fuse suitable for use in such an assembly

Trenner-begrenzungs-schutz für dreiphasige elektrische transformatoren

Elektrische schutzeinrichtung mit messmodul

Die Erfindung betrifft eine elektrische Schutzeinrichtung (10), insbesondere in Form einer Sicherungsleiste, mit mindestens einem Aufnahmeraum (12) für eine Sicherung (13), welche mindestens ein, insbesondere zwei, Sicherungsmesser (14a, 14b) zur elektrischen Kontaktierung von mindestens einem fest installierten elektrischen Kontakt (15a, 15b) der elektrischen Schutzeinrichtung (10) aufweist, wobei jeder Sicherung (13) eine fensterartige Öffnung (17a) aufweist, welche mittels eines Verschlusselementes (17b) verschließbar ist, wobei die Öffnung (17a) derart angeordnet ist, dass durch sie hindurch eines der Sicherungsmesser (14a) elektrisch kontaktierbar ist, dadurch gekennzeichnet, dass in die Öffnung (17a) ein Messmodul (18) einschiebbar und/oder einsteckbar ist.

跌落式速断装置

跌落式速断装置，涉及电力设备技术领域，用于实现对故障电流的迅速切断。包括绝缘子、熔管、检测组件和切断组件；检测组件包括位于绝缘子下端的下盒体，下盒体内具有检测导线，检测导线将下接线柱与连接头连接起来；下盒体内部具有套管，连接头位于套管内部且与套管螺纹连接，连接头与熔丝的下端连接；下盒体内具有电流互感器，检测导线穿过电流互感器；切断组件包括位于绝缘子上端的上盒体，上盒体一端的内部具有导电块，导电块用于与熔管顶部接触；上盒体内具有动触头和静触头，静触头与导电块之间具有固定导线，动触头与上接线柱之间具有活动导线，上盒体内具有驱使动、静触头接触或分离的驱动单元。本发明可以实现对故障电流的快速有效切断。

配电网电气设备

本电气设备包括对应于配电网的至少一个相线(8)的电气元件(2、2A、3、4、8)，它们置于箱体(6)内。本设备由介电液(5)绝缘，各元件浸在该液体中。本设备对箱体(6)内的每一相线(8)均包括输入(9)，此外还包括保护装置(7)，它与至少一个故障检测器(10)相关联，以便在检测到该故障时，将在相线(8)中建立短路。设置保护装置(7)以使在电气设备(1)的任何保护(4)、控制(2、2A)或变压器(3)元件之前的位置建立所述短路。

Canalización de cables, base portafusibles y sistema de monitorización

La presente invención se refiere a un conducto (200) para monitorear cables (102), que comprende al menos un canal (202) que guía dichos cables de monitoreo (102) entre dispositivos de conducto (200) ubicados en bloques de fusibles (101) adyacentes. El conducto (200) también puede integrarse como parte de un bloque de fusibles (101) o como parte de un sistema de monitoreo para monitorear dichos bloques de fusibles (101). De esta manera los cables de monitoreo (102) quedan distribuidos de manera segura y organizada, cumpliendo con los estándares de seguridad requeridos para los tableros de distribución de energía eléctrica. (Traducción automática con Google Translate, sin valor legal)

具有集成的测量功能的熔断保险装置以及保险体

本发明涉及一种具有集成的测量功能的熔断保险装置(100)，所述熔断保险装置具有保险装置壳体(110)，所述保险装置壳体本身具有由受压体(113)限定的第一容纳空间(115)以及与所述第一容纳空间(115)在空间上分隔开的第二容纳空间(116)。在此，熔断导体(105)容纳并且固持在第一容纳空间(115)中，测量装置(120)容纳并且固持在第二容纳空间(116)中。测量装置(120)在此具有电流互感器(121)以及与所述电流互感器(121)导电地连接的电子组件(122)。沿着纵向延伸方向(L)观察，所述电流互感器(121)的高度(H)在此基本上与第二容纳空间(116)的高度相等，因此电子组件(122)沿着与所述纵向延伸方向(L)垂直的方向布置在所述电流互感器(121)的侧面。借助测量装置(120)提供了紧邻所述熔断保险装置(100)地确定流过熔断保险装置(100)的电流的可能性。为此需要的能量在此借助电流互感器(121)通过电磁感应由熔断保险装置(100)的初级电流产生，因此不需要外部的电流源用于测量装置(120)的能量供给。

一种智能化熔断器式开关

本发明涉及熔断器式开关，具体涉及一种智能化熔断器式开关，包括外壳，外壳上设有进线孔和出线孔，外壳内设有底座，底座中部设有连杆，连杆的一端与导杆固定，导杆与弹簧的一端固定，弹簧的另一端与外壳固定，连杆上设有磁铁，底座与磁铁相对处设有电磁继电器，底座两端均设有接线座，接线座上设有垫片和压片，导杆的长度与底座两端接线座之间的距离相等，弹簧两侧均设有液压杆，液压杆前端与压块固定，底座外包有灭弧栅片，外壳内还设有熔断器、微处理器、报警器和警示灯，熔断器上设有电流传感器，外壳上还设有关闭按钮；本发明所提供的技术方案能够消除因误触带来的影响，消除底座附近可能产生的电弧，避免闸刀弹开，提高维修效率。

Passive fault protection arrangement for a measuring voltage transformer or a power voltage transformer for use in high voltage applications

The invention relates to a passive fault protection arrangement for a measuring volt- age transformer (1) or a power voltage transformer (1) for use in high voltage appli- cations, comprising the voltage transformer (1) comprising a composite insulator (2) with a first high voltage terminal (3), and a post insulator (4) comprising a second high voltage terminal (6) configured for connecting a high voltage line (8), whereby the voltage transformer (1) comprises a moving contact (9) electrically connected with a first end to the first high voltage terminal (3) and a spring charged operating mechanism (10) configured for moving the moving contact (9) from a connected state, in which a second opposed end of the moving contact (9) is electrically con- nected to the second high voltage terminal (6), to an unconnected state, in which the second end is electrically disconnected from the second high voltage terminal (6), and the post insulator (4) comprises an activator (11) configured for, if an over- current occurs in the high voltage line (8), electrically disconnecting the second end from the second high voltage terminal (6) such that the spring charged operating mechanism (10) moves the moving contact (9) from the connected state into the unconnected state.

Schutzsystem für einen dreiphasenverteiltransformator mit einer durch ein dielektrisches fluidum unterstützten isolierung

用于nh熔断隔离开关型电气切断装置的电流互感器模块

本发明涉及一种用于NH熔断隔离开关型电气切断装置的电流互感器模块、NH熔断隔离开关型电气切断装置以及将电流互感器模块与电气切断装置安装在一起的方法，电气切断装置包括第一和第二输出端子，在第一方向上，第二输出端子位于第一输出端子上方，在基本上垂直于第一方向的第二方向上，端子彼此偏移，电流互感器模块包括第一和第二测量单元，第一和第二测量单元分别包括第一和第二壳体，每个壳体均具有第一和第二组装装置，电流互感器模块包括具有组装装置的组件支撑件，组件支撑件的组装装置与第一壳体的第一组装装置和第二壳体的第二组装装置布置为将第一和第二壳体彼此组装，使其在第一方向上叠置，同时在第二方向上彼此偏移。

Equipo electrico para red de distribucion

Measurement module for a fuse block base

The present invention relates to a measurement module (100, 100', 101, 101', 100") for a fuse block base which is more versatile, useful and optimal than existing measurement modules, needing less space for cables, where said measurement module (100, 100', 101, 101', 100") is connectable to output contacts (5, 5') of a fuse block base (1), on which at least one intensity transformer is mounted to provide at least one analog current measurement signal; where the measurement module (100, 100', 101, 101', 100") additionally comprises an analog-to-digital converter (40) with at least one analog input (41) configured to receive said analog current measurement signal, and with at least one digital connection port comprising at least one digital output (110).

Dispositivo de protección perfeccionada contra los efectos de los defectos internos de un transformador trifásico.

Transformador de distribución (1) trifásico, que está destinado a ser sumergido en un líquido dieléctrico, que está contenido en una cuba (2), que está conectada a tierra (3) y a una masa de la parte activa (4) de dicho transformador (1), y que comprende un dispositivo de protección contra los efectos de los defectos internos, que comprende: - un sistema de desconexión de fases, que comprende medios de desconexión (6), que están conectados en serie, respectivamente, con cada fase, comprendiendo cada medio de desconexión (6) un medio de bloqueo (8) en posición conectada, - un medio de detección (5) de una corriente de tierra, que circula entre la tierra (3) y la masa de la parte activa (4) del transformador (1), accionando el medio de detección de la corriente de tierra a los medios de bloqueo (8) cuando sea detectada una corriente de tierra, de manera que los medios de bloqueo (8) son colocados en posición desconectada, caracterizado porque únicamente dos medios de desconexión (6) comprenden, respectivamente, un fusible equipado con un percutor (9), que está conectado entre la fase que alimenta al transformador (1) y el medio de bloqueo (8) correspondiente.

계기용 변압기의 퓨즈 교체 장치 및 이를 이용한 퓨즈 교체 공법

본 발명은 계기용 변압기의 퓨즈 홀더에 구비된 절연캡을 퓨즈 홀더로부터 분리시키거나, 또는 절연캡을 계기용 변압기에 체결시키는 절연캡 분리기, 및 퓨즈 홀더에 구비된 퓨즈를 퓨즈 홀더로부터 분리시키는 퓨즈 흡입기를 포함하는 것을 특징으로 한다.

Lasttrennschaltervorrichtung und schaltersicherungsvorrichtung mit sicherung

Die Erfindung betrifft eine Lasttrennschaltervorrichtung oder eine Schaltersicherungsvorrichtung zur Aufnahme mindestens einer Sicherung oder eines Sicherungsstöpsels für eine Sicherung. Die erfindungsgemäße Vorrichtung umfasst ein Gehäuse und mindestens einen Eingangsanschluss und mindestens einen Ausgangsanschluss zum Anschluss an mindestens ein elektrisches Gerät, wobei bevorzugt dreipolige Vorrichtungen vorgesehen sind. Die erfindungsgemäße Vorrichtung umfasst ferner eine an einem Fußkontakt der Vorrichtung vorgesehene Rogowskispule.

一种智能熔断器

本发明公开了一种智能熔断器，包括熔断器本体、钢制防雨罩和传感器，钢制防雨罩设置在熔断器本体的静触头处；传感器固定在钢制防雨罩内；传感器采用组合线圈式无线电流传感器，包括外壳和设置在外壳内的电路板、温度传感器、电池组和三个线圈，熔断器本体的静触头上的一次导电排穿过所述外壳上的导电孔与所述取电线圈相连；组合线圈式无线电流传感器通过无线蓝牙传输模块与采集器进行通讯。本发明的智能熔断器，基于电力物联网将熔断器和传感器进行了无缝结合；大幅度降低了熔断器状态监视的技术难度；大幅度降低配网线路一次设备状态监视的工程造价和运维成本；大幅度降低配网线路一次设备状态监视的运维成本。

具有集成的测量功能的熔断保险装置以及保险体

按照本发明的具有集成的测量功能的熔断保险装置具有保险体，所述保险体本身具有由受压体限定的第一容纳空间以及与所述第一容纳空间在空间上分开的、由保护体限定的第二容纳空间，所述第一容纳空间和第二容纳空间沿着纵向延伸方向前后相继地布置。在此，在第一容纳空间中容纳并且固持有熔断导体，在第二容纳空间中容纳并且固持有测量装置。测量装置具有电流互感器以及与所述电流互感器导电地连接的电子组件，其中，所述电流互感器和电子组件沿着纵向延伸方向前后相继地布置。借助测量装置(120)实现的可能性为，紧邻熔断保险装置(100)地检测流动通过所述熔断保险装置(100)的电流。为此所需的能量在此借助电流互感器由熔断保险装置(100)的初级电流通过电磁感应产生，从而不需要外部的电流源来为测量装置(120)供给能量。

Kanał na kable, skrzynka bezpiecznikowa i system monitorowania

절첩식 변류기

본 고안은 전기제어 패널(Panel)에 장착하여 패널내의 각종계기(Meter) 및 계전기(Pelay)에 전류를 공급하는 목적으로 사용하는 변류기에 관한 것으로, 본체 중앙부에 케이블 삽입공이 형성된 변류기에 있어서, 본체를 상측본체와 하측본체로 분리 형성하고, 분리된 상,하측본체의 일측에는 경첩을 설치하고, 타측에는 체결구를 설치하여 구성하므로서, 운전중 부허정전시키지 않아도 간편하게 케이블에 설치가능토록 하여 그 사용성을 향상시킨 것이다.

一种智能熔断器

本发明公开了一种智能熔断器，包括熔断器本体、钢制防雨罩和传感器，钢制防雨罩设置在熔断器本体的静触头处；传感器固定在钢制防雨罩内；传感器采用组合线圈式无线电流传感器，包括外壳和设置在外壳内的电路板、温度传感器、电池组和三个线圈，熔断器本体的静触头上的一次导电排穿过所述外壳上的导电孔与所述取电线圈相连；组合线圈式无线电流传感器通过无线蓝牙传输模块与采集器进行通讯。本发明的智能熔断器，基于电力物联网将熔断器和传感器进行了无缝结合；大幅度降低了熔断器状态监视的技术难度；大幅度降低配网线路一次设备状态监视的工程造价和运维成本；大幅度降低配网线路一次设备状态监视的运维成本。

用于nh熔断隔离开关型电气切断装置的电流互感器模块

本发明涉及一种用于NH熔断隔离开关型电气切断装置的电流互感器模块、NH熔断隔离开关型电气切断装置以及将电流互感器模块与电气切断装置安装在一起的方法，电气切断装置包括第一和第二输出端子，在第一方向上，第二输出端子位于第一输出端子上方，在基本上垂直于第一方向的第二方向上，端子彼此偏移，电流互感器模块包括第一和第二测量单元，第一和第二测量单元分别包括第一和第二壳体，每个壳体均具有第一和第二组装装置，电流互感器模块包括具有组装装置的组件支撑件，组件支撑件的组装装置与第一壳体的第一组装装置和第二壳体的第二组装装置布置为将第一和第二壳体彼此组装，使其在第一方向上叠置，同时在第二方向上彼此偏移。

一种大容量高压限流熔断器组合保护装置

本发明涉及高压限流熔断设备技术领域，尤其为一种大容量高压限流熔断器组合保护装置，包括承钢架，所述侧置导板内侧之间固定设置的装配板顶部螺纹固定设置有输电筒主体以及更换筒主体，所述侧置导板内侧之间固定设置的装配板顶部焊接固定设置有氧化锌过压保护器以及密封电池箱，所述密封电池箱顶部固定设置有光伏储能装置，所述输电筒主体包括绝缘筒，所述绝缘筒底端内部嵌合固定设置有压接合金片，所述压接合金片顶端固定设置有导电合金板，所述导电合金板顶端固定设置有第一导电端片以及第二导电端片，本发明通过输电筒主体、更换筒主体、氧化锌过压保护器、密封电池箱以及光伏储能装置形成对高压限流熔断片的远程更换的功能。

Voltage transformer with removable high voltage fuses

A high voltage transformer has a fuse with high cutoff power which can be directly extracted so that all measurements from the transformer can be carried out without shutting off voltage.