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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 26. Отображено 26.
25-06-2015 дата публикации

Gas circuit breaker with magnetic field shielding nozzle

Номер: KR0101531644B1
Принадлежит: 한국전기연구원

... 본 발명은 고전압 전력계통에서 고장 발생 시 고장전류를 차단하고 전력계통 설비를 보호하는 가스 차단기, 특히 자기장 차폐 노즐이 구비되어 있는 가스 차단기에 관한 것이다. 본 발명은 아크가 발생하는 부위와 인접한 곳에 투자율이 높은 재질로 이루어진 자기장 쉴드를 설치하여 열팽창실 내부로 자기장이 침투하지 못하도록 하는 새로운 형태의 전류 차단 방식을 구현함으로써, 고정아크접점과 가동아크접점 간의 아크측으로 진행하는 열가스의 원활한 흐름 및 혼합을 확보할 수 있고, 이에 따라 전류 차단 성능을 크게 향상시킬 수 있는 자기장 차폐 노즐을 가지는 가스 차단기를 제공한다.

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24-08-2016 дата публикации

진공차단기의 고성능 진공 인터럽터

Номер: KR0101650925B1
Принадлежит: 한국전기연구원

... 본 발명은 진공차단기의 고성능 진공 인터럽터에 관한 것으로, 가동접점과 고정접점 간에 통전을 위한 접점시 가동접점과 통전 가능하게 접촉하는 보조접점을 이용하여 통전 전류량을 증대하고, 가동접점과 고정접점 간에 개방거리를 증가시켜 초고압 차단을 수행할 수 있는 진공차단기의 고성능 진공 인터럽터를 제공하는데 그 목적이 있다. 이에 본 발명에서는, 고정부와, 상기 고정부의 고정접점과 마주 배치되어 접촉 및 분리 가능하게 이동하는 가동접점을 갖는 가동부를 포함하여 구성되며, 상기 고정부는, 진공을 형성한 절연하우징의 내부에 고정되게 배치되는 고정부 도체; 상기 고정부 도체의 하부에 접촉한 형태로 선형 이동가능하게 조립되고, 상기 가동접점과 접촉시 가동접점에 밀려 고정부 도체 측으로 이동하게 되는 고정접점; 상기 고정접점의 하단부 외주면에 접촉한 형태로 상기 고정부 도체의 하부에 조립되고, 상기 고정접점을 밀면서 고정부 도체 측으로 이동하는 가동접점과 접촉하게 되는 보조접점;을 포함하여 구성된 것을 특징으로 하는 진공차단기의 고성능 진공 인터럽터를 제공한다.

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17-06-2016 дата публикации

HYBRID FIRE EXTINCTION TYPE GAS CIRCUIT BREAKER WITH ROTARY OPEN/CLOSE TYPE CHECK VALVE

Номер: KR1020160069796A
Автор: OH, YEON HO, SONG, KI DONG
Принадлежит:

The present invention relates to a hybrid fire extinction type gas circuit breaker with a rotary open/close type check valve, capable of installing the rotary open/close type check valve in the hybrid fire extinction type gas circuit breaker blocking a fault current and protecting a power system when a malfunction occurs in a high voltage power system, so as to increase the amount of cooling gas which enters a thermal expansion chamber. According to the present invention, since a new fault current blocking method improving the structure and shape of a check valve to form a fluid path to make insulation gas of a compression chamber flow to the center and to prevent a decrease of the flow rate is realized, fault current blocking performance, such as effective cooling operations using a large amount of fast insulation gas flowing along the center of the gas circuit breaker, is provided. The gas circuit breaker comprises: a fixed arc contact and a moving arc contact; a cylinder; a cylinder ...

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16-04-2015 дата публикации

DEVICE AND METHOD FOR BLOCKING HIGH VOLTAGE DIRECT CURRENT

Номер: WO2015053484A1
Принадлежит:

The present invention relates to a device and a method for blocking direct current (DC). The objective of the present invention is to provide a device and a method for blocking DC, the device having a high-speed blocking function suitable for a voltage-type converter. Another objective of the present invention is to provide a device and a method for blocking DC, the device having a relatively simple configuration, thereby reducing device costs, and thus, being more competitive in terms of economic efficiency. In order to achieve the above objectives, the present invention provides a device for blocking DC in the event of an accident, and a method for blocking DC using the same, the device comprising: a main current conducting part comprising three high-speed mechanical switches installed to be connected in series so as to reduce power losses in the event of a steady-state current conduction on a main current conducting path for conducting the steady-state current; a power semiconductor ...

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28-04-2022 дата публикации

INSULATING GAS USED FOR ELECTRICAL INSULATION OR ARC EXTINGUISHING BY REPLACING SF6 GAS AND ELECTRICAL DEVICE USING SAME

Номер: WO2022086308A1
Принадлежит:

The present invention relates to an insulating gas used for electrical insulation or arc extinguishing of an electrical device and an electrical device for insulating electricity using same. The insulating gas of the present invention, which can replace SF6 gas, consists of a mixed gas of trifluoromethyl trifluorovinyl ether (CF3OCFCF2) and a carrier gas. The insulating gas of the present invention has the characteristics of a low boiling point, high dielectric strength, low toxicity, and a low global warming potential (GWP = 1 or less), and thus can replace SF6. In addition, since the global warming potential is low while maintaining high insulating capacity and arc extinguishing capability, greenhouse gases can be reduced.

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27-04-2017 дата публикации

CURRENT CUTOFF SWITCH USING SUPERCRITICAL FLUID, AND CURRENT CUTOFF DEVICE AND CURRENT CUTOFF METHOD USING SAME

Номер: WO2017069371A1
Принадлежит:

The present invention relates to a current cutoff switch for disconnecting a circuit so as to conduct or cut off current, and a current cutoff device and a current cutoff method using the same. A current cutoff switch using a supercritical fluid comprises: a chamber in which a supercritical fluid is filled; a fixed contact provided inside the chamber; a movable contact provided inside the chamber so as to face the fixed contact; and a movable contact operator for driving the movable contact such that the movable contact is spaced apart from or approaches the fixed contact. Therefore, the moving distance of the movable contact is short since insulation performance is excellent, and thus the operating time of the switch is shortened and the size of the switch can be reduced. In addition, since the supercritical fluid has a lower global warming potential than sulfur hexafluoride, environmental destruction can be reduced.

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02-06-2015 дата публикации

Auto-moving flow guide for gas circuit breaker

Номер: KR0101524800B1
Принадлежит: 한국전기연구원

... 본 발명은 고전압 전력계통에서 고장 발생 시 고장전류를 차단하고 전력계통 설비를 보호하는 가스 차단기의 자동이동식 유동가이드에 관한 것이다. 본 발명은 열가스가 흐르는 통로상에 열가스의 진행력과 스프링의 복원력에 의해 인출 및 복원가능한 유동가이드를 설치하고, 이렇게 설치한 유동가이드에 의해 열팽창실 내의 열가스와 냉가스가 잘 혼합되도록 한 새로운 형태의 전류 차단 방식을 구현함으로써, 고정아크접점과 가동아크접점 사이의 아크로 분사되는 열가스를 효과적으로 냉각시킬 수 있는 등 전류 차단 성능을 크게 향상시킬 수 있는 가스 차단기의 자동이동식 유동가이드를 제공한다.

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16-05-2018 дата публикации

HEAT RADIATING BACK SHEET OF SOLAR CELL MODULE

Номер: KR1020180050975A
Принадлежит:

According to an embodiment of the present invention, a heat radiating back sheet of a solar cell module, which can maintain a heat radiating function of the solar cell module, comprises: a heat radiating film; and an adhesive layer stacked on one surface of the heat radiating film. The heat radiating film is composed of a substrate layer stacked on the other surface of the adhesive layer and a heat radiating layer stacked on the other surface of the substrate layer. COPYRIGHT KIPO 2018 ...

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29-05-2017 дата публикации

BELLOWS UNIT FOR FAULT CURRENT CIRCUIT BREAKER AND CIRCUIT BREAKER USING SAME

Номер: KR1020170058637A
Принадлежит:

The present invention relates to a bellows used in a circuit breaker for blocking a fault current and a circuit breaker using the same. The bellows for a fault current breaker comprises a first bellows connecting an inner chamber and a movable rod; a second bellows surrounding the first bellows to form a first space with the first bellows; and a gas supply part for supplying gas into a compression space and the first space through the inner chamber and an outer chamber surrounding the inner chamber to form the compression space. Thus, by providing a plurality of bellows to form the first space, it is possible to reduce a difference between the inner and outer pressure of each bellows, thereby preventing breakage of the bellows. COPYRIGHT KIPO 2017 ...

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02-05-2017 дата публикации

HIGH-SPEED SWITCH USING SUPERCRITICAL FLUID AND CURRENT INTERRUPTION DEVICE AND CURRENT INTERRUPTION METHOD USING SAME

Номер: KR1020170046300A
Принадлежит:

The present invention relates to a high-speed switch for disconnecting a circuit to flow or shut off a current, and a current interruption device and a current interruption method using the same. The high-speed switch using a supercritical fluid comprises: a chamber in which a supercritical fluid is filled; a fixed contact point provided inside the chamber; a movable contact point provided to face the fixed contact point inside the chamber; and a movable contact point actuator for driving the movable contact point such that the movable contact point is spaced apart from or closer to the fixed contact point. As a result, the moving distance of the movable contact point is short due to excellent insulating performance, thereby shortening the operation time of the switch and reducing the size of the switch. In addition, the supercritical fluid has a lower global warming index than sulfur hexafluoride, which can reduce environmental destruction. COPYRIGHT KIPO 2017 ...

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13-06-2016 дата публикации

BIDIRECTIONAL SERIES-TYPE DRIVING DEVICE

Номер: KR1020160066802A
Принадлежит:

The present invention relates to a bidirectional series-type driving device in a Thomson coil method which can drive a switch, etc. of an HDVC breaker. To solve problems of conventional breakers using only one surface of a Thomson coil, the present invention provides the bidirectional series-type driving device capable of simultaneously operating two breaker units of the HDVC breaker by using one Thomson coil by implementing a new type Thomson coil driving device which can simultaneously operate two breaker units of the HDVC breaker with one breaker by installing a repulsion plate on both surfaces of the Thomson coil and alternatively disposing the electrode rod of each breaking unit connected to the repulsion plate in series. COPYRIGHT KIPO 2016 ...

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04-01-2016 дата публикации

HIGH PERFORMANCE VACUUM INTERRUPTER OF VACUUM CIRCUIT BREAKER

Номер: KR1020160000175A
Принадлежит:

The present invention relates to a high performance vacuum interrupter of a vacuum circuit breaker. The conductive current amount is increased by using an assisting contact point coming in contact with a movable contact point to be electrically conducted when points are contacted for conduction between the movable contact point and a fixing contact point. An ultrahigh voltage blockage may be performed by increasing an opening distance between the movable contact point and the fixing contact point. According to the present invention, the high performance vacuum interrupter comprises: a fixing unit; and a moving unit having the movable contact point disposed to face the fixing contact point of the fixing unit to be able to come in contact therewith and to be separated therefrom. The fixing unit comprises: a fixing unit conductor disposed to be fixed into an insulation housing in a vacuum state; the fixing contact point assembled to be linearly moved while coming in contact with a lower side ...

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09-05-2019 дата публикации

USB CONNECTOR-FREE DEVICE AND METHOD

Номер: WO2019088322A1
Принадлежит:

A USB connector-free device and method are disclosed. The USB connector-free device comprises a host computer (10), a mobile device (20), and an ultrahigh-speed module (30), wherein the host computer (10) comprises a USB module, the mobile device (20) comprises a mobile device USB module (21) which is connected to the USB module of the host computer (10); mobile device hardware (22) which matches to the hardware layer of the mobile device USB module (21); and a mobile device RF module (23) which wirelessly matches to the mobile device hardware (22), and the ultrahigh-speed module (30) comprises an ultrahigh-speed RF module (31) which wirelessly communicates with the mobile device RF module (23); ultra-speed module hardware (32) which hardware-matches to the ultrahigh-speed RF module (31); and a memory module (33) which performs wired communication with the ultrahigh-speed module hardware (32).

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09-05-2019 дата публикации

FIRE RESPONSE SYSTEM AND METHOD USING ULTRAHIGH-SPEED, LARGE-CAPACITY WIRELESS COMMUNICATION SYSTEM

Номер: WO2019088321A1
Принадлежит:

A fire response system and method using an ultrahigh-speed, large-capacity wireless communication system are disclosed. The fire response system comprises a tag (10) which stores building 3D map data; a reader (20) which reads the building 3D map data and downloads the building 3D map data, when in contact with the tag (10); and a terminal (30) which receives the building 3D map data from the reader (20) and displays the building 3D map data on a monitor, when the reader (20) is placed on a pad, wherein the tag (10) is attached to the outer wall of a building, authenticates the contact of the reader (20), transmits the building 3D map data, and the building 3D map data expresses information on the building structure in 3D.

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03-02-2022 дата публикации

METHOD FOR PREPARING PERFLUORODIALKYL ETHER AND APPARATUS FOR PREPARING PERFLUORODIALKYL ETHER

Номер: WO2022025575A1
Принадлежит:

The present invention relates to a method for preparing a perfluorodialkyl ether, comprising the steps of: (A) preparing a perfluorodialkyl ether from a compound represented by Formula 1 in the presence of a metal fluoride; and (B) isolating the perfluorodialkyl ether, and to an apparatus for preparing perfluorodialkyl ether, comprising: a reaction unit for preparing a perfluorodialkyl ether from a compound represented by Formula 1 in the presence of a metal fluoride; a reactant supply unit for introducing the compound represented by Formula 1 into the reaction unit; and a discharge unit for discharging the perfluorodialkyl ether from the upper portion of the reaction unit.

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27-05-2016 дата публикации

PARTIAL DISCHARGE MEASURING SIGNAL PROCESSING METHOD AND PROCESSING DEVICE THEREOF

Номер: KR1020160059826A
Принадлежит:

The present invention relates to a partial discharge measuring signal processing method. Disclosed is the partial discharge measuring signal processing method to improve operation performance of a partial discharge diagnostic device by improving data communication speed and data storage efficiency for processing a partial discharge measuring signal when a power apparatus is diagnosed. According to an embodiment of the present invention, the technical essential point comprises: a step of measuring a partial discharge waveform having a measuring value at each sampling time to diagnose the power apparatus; a step of calculating an average value regarding sizes of a measurement value at each sampling time included in a predetermined sampling section; a step of obtaining the partial discharge waveform wherein a noise is removed by removing the measurement value which is below the average value in the sampling section; a step of obtaining a final waveform by calculating a movement average value ...

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29-07-2016 дата публикации

직류전류 차단을 위한 장치 및 방법

Номер: KR0101641511B1
Принадлежит: 한국전기연구원

... 본 발명은 직류전류 차단장치 및 방법에 관한 것으로서, 더 바람직하게, 종래의 전류형 컨버터 방식에 비해 현격히 빠른 차단 시간이 요구되는 전압형 컨버터를 사용한 직류 송전계통에서 고압 직류전류를 계통운영에 어려움이 없이 신속히 차단할 수 있는 직류전류 차단장치 및 방법에 관한 것으로, 고압 송전 계통의 전류 차단 조건 발생시 고속 기계식 스위치에 역전류를 통전하여 개극 중에 있는 고속 기계식 스위치의 아크가 소호되는 직류전류 차단장치 및 방법을 제공한다.

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16-05-2017 дата публикации

TEMPERATURE CONTROL DEVICE OF SWITCH AND SWITCH USING SAME

Номер: KR1020170053328A
Принадлежит:

The present invention relates to a switch for separating a circuit to transmit or block a current, a temperature control device used therefor, a current blocking device using the same, and a current blocking method. The temperature control device includes: an induction heating electrode adjacent to a chamber filled with an insulating gas; and a control part for controlling the induction heating electrode to adjust the temperature of the chamber. As a result, the chamber can be heated uniformly, and the temperature of the chamber can be adjusted immediately due to a fast heating speed. The induction heating electrode is installed to be separated from the chamber, thereby preventing a short circuit between the induction heating electrode and the chamber, to prevent deterioration of the insulating and blocking performance of a circuit breaker. COPYRIGHT KIPO 2017 ...

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22-05-2015 дата публикации

GAS CIRCUIT BREAKER WITH MAGNETIC FIELD SHIELDING NOZZLE

Номер: KR1020150055705A
Принадлежит:

The present invention relates to a gas circuit breaker capable of blocking a fault current when a failure is generated in a high voltage power system and protecting a power system facility and, more particularly, to a gas circuit breaker with a magnetic field shielding nozzle. The present invention provides the gas circuit breaker with the magnetic field shielding nozzle, capable of remarkably improving current blocking performance by securing the smooth flow and the mixture of a heat gas which flows to an arc between a fixed arc contact point and a movable arc contact point by implementing a new type current blocking method to prevent a magnetic field from passing through a thermal expansion chamber by installing a magnetic shield made of materials with high permeability near an arc generation part. COPYRIGHT KIPO 2015 ...

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28-03-2016 дата публикации

DEVICE AND METHOD FOR BLOCKING DIRECT CURRENT

Номер: KR1020160033438A
Принадлежит:

The present invention relates to a device and a method for blocking direct current. More desirably, the present invention relates to a device and a method for blocking direct current which quickly blocks high voltage direct current in a direct current transmission system using a voltage converter that requires remarkably rapid blocking time compared to the existing current type converter method without having difficulty in managing a system. Provided are the device and the method for blocking direct current in which an arc of a mechanical switch at high speed being opened is extinct by conducting reverse current to the mechanical switch at high speed when a current blocking condition of a high voltage transmission system is generated. COPYRIGHT KIPO 2016 ...

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09-11-2016 дата публикации

GAS CIRCUIT BREAKER HAVING MULTIPLE COMPRESSION CHAMBERS

Номер: KR1020160129146A
Принадлежит:

The present invention relates to a gas circuit breaker having multiple compression chambers for blocking current by using fault current. The gas circuit breaker having with multiple compression chambers comprises: a thermal expansion chamber and a first compression chamber which are separated by a separation wall between an inner cylinder and an outer cylinder, wherein the first compression chamber is finished and sealed by a piston; a first nozzle, formed on one side of the thermal compression chamber, for allowing gas to flow in or be discharged for arc extinguishing between a fixed arc contact point and a driving arc contact point; and a second compression chamber for compressing inner gas when the fixed arc contact point approaches the driving arc contact point and for providing the compressed gas for the thermal expansion chamber. Accordingly, an arc generated in separating and approaching processes of two arc contact points. Additionally, by reducing damages to an insulating material ...

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22-05-2015 дата публикации

AUTO-MOVING FLOW GUIDE FOR GAS CIRCUIT BREAKER

Номер: KR1020150055706A
Принадлежит:

The present invention relates to an auto-moving flow guide for a gas circuit breaker, capable of protecting a power system facility and blocking a fault current when a failure is generated in a high voltage power system. The present invention provides the auto-moving flow guide for the gas circuit breaker, capable of remarkably improving current blocking performance by efficiently cooling heat gas sprayed with an arc between a fixed arc contact point and a movable arc contract point by implementing a new type current blocking method to mix the heat gas with a cold gas in a thermal expansion chamber by the flow guide by installing the flow guide which is drawn and restored by the restoring force of a spring and the progressing force of the heat gas on a path on which the heat gas flows. COPYRIGHT KIPO 2015 ...

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24-03-2016 дата публикации

APPARATUS AND METHOD FOR CUTTING OFF DIRECT CURRENT

Номер: WO2016043508A1
Принадлежит:

The present invention relates to an apparatus and a method for cutting off direct current, and more preferably, to an apparatus and a method for cutting off direct current which can cut off high-voltage direct current quickly, without system operation difficulties, in a direct current transmission system using a voltage source converter which requires a far faster cut-off time compared to a conventional current source converter system, wherein the arc of a high-speed mechanical switch during contact parting is suppressed by applying reverse current to the high-speed mechanical switch when a current cut-off condition of a high-voltage transmission system occurs.

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05-02-2018 дата публикации

INSULATION GAS REPLACING SF6 GAS AND ELECTRIC APPARATUS

Номер: KR1020180012047A
Принадлежит:

The present invention relates to an insulating gas used for insulating an electric device and the electric device for insulating electricity using the same. The insulating gas replacing an SF6 gas is a mixed gas containing any one of C_3F_8 and C_3F_8O or a mixture thereof and CO_2. Accordingly, in comparison with the use of the SF6 gas as an insulating gas, a global warming index is low while maintaining insulation and extinguishing abilities, thereby reducing a greenhouse gas by more than 10 times. COPYRIGHT KIPO 2018 (AA) GWP (global warming index) (BB) C_3F_3 + CO_2 mixed gas (CC) C_3F_8 mixing ratio [mol%] ...

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23-01-2017 дата публикации

양방향 직렬형 구동장치

Номер: KR0101698943B1
Принадлежит: 한국전기연구원

... 본 발명은 HDVC 차단기의 스위치 등을 구동시킬 수 있는 톰슨 코일 방식의 양방향 직렬형 구동장치에 관한 것이다. 본 발명은 톰슨 코일의 한 면만 사용하는 기존의 차단기가 가지는 문제점을 해결하기 위하여, 톰슨 코일 양면에 반발판을 설치함과 더불어 이러한 반발판에 연결된 각 차단부의 전극 로드를 직렬로 서로 엇갈리게 배치하여, 하나의 차단기로 두 개의 차단부를 동시에 동작시킬 수 있는 새로운 형태의 톰슨 코일 구동수단을 구현함으로써, 하나의 톰슨 코일을 이용하여 HDVC 차단기의 차단부 2개를 동시에 동작시킬 수 있는 양방향 직렬형 구동장치를 제공한다.

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16-03-2017 дата публикации

GAS CIRCUIT BREAKER USING SUPERCRITICAL FLUID

Номер: KR1020170029786A
Принадлежит:

The present invention relates to a gas circuit breaker which cuts off a current by using gas when a fault current occurs. The gas circuit breaker using a supercritical fluid includes a compression changer which is arranged between an internal cylinder and an external cylinder and has a rear end finished by a piston to be closed. A first nozzle is arranged on a side of the compression chamber to draw the gas in and out for arc extinguishing between a fixed arc contact point and a variable arc contact point. A fixed main contact point and a variable main contact point are arranged on the outer edge of two arc contact points. The gas circuit breaker includes: a chamber filled with the supercritical fluid therein; a fixed internal chamber contact point arranged in the chamber; and a variable internal chamber contact point which has a current input from the outside of the chamber and moves apart from or approaches the fixed internal chamber contact point in the chamber. Accordingly, the cutoff ...

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