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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 25. Отображено 25.
04-04-2023 дата публикации

New energy output precision modeling method suitable for risk assessment of power transmission and generation system

Номер: CN115906471A
Автор: LI HONGBING, ZHANG KANJUN, HAN GANG, ZHOU HUBING
Принадлежит:

The invention provides a new energy output precision modeling method suitable for risk assessment of a power transmission and generation system, and the method comprises the steps: representing the seasonal time sequence characteristics of wind power generation based on a four-season Weibull distribution model, and constructing a wind power plant output power probability distribution model through considering the wake effect and the terrain height influence; photoelectric power probability distribution is obtained by using a kernel density parameter estimation method, and a joint probability distribution model reflecting wind and light correlation is obtained by using a Copula theory. Through the new energy precise modeling method, a new energy output power model suitable for electric power system risk assessment can be obtained. The model fully considers the time sequence and space distribution characteristics of the new energy and the correlation between different new energy outputs, ...

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Номер записи: 1
18-04-2023 дата публикации

Shield launching method

Номер: CN115977665A
Автор: LI ZENGLIANG, ZHOU HUBING, SONG PENGJIE, LV YONGJUN, HU LIZHENG, YUE LINHUI, YUAN YUE, TANG XIKUI
Принадлежит:

The invention discloses a shield launching method. The shield launching method comprises the following steps that a launching end is reinforced; the geological type of the bottom of a shield launching well and the preset model of a shield tunneling machine are obtained, and the sedimentation depth of a launching bracket is determined according to the geological type and the preset model; according to the settlement depth, the launching bracket is installed at the bottom of the shield launching well; the shield tunneling machine is assembled and debugged on the starting bracket; a counter-force frame is installed in the shield launching well; a negative ring duct piece is installed between the shield tunneling machine and the reaction frame; chiseling away a tunnel portal of the shield receiving well to form a starting tunnel opening; and the shield tunneling machine is tunneled to pass through the starting hole. According to the shield launching method, the height of the launching bracket ...

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Номер записи: 2
23-06-2023 дата публикации

Construction method for reinforcing grouting of guide pipe

Номер: CN116291587A
Автор: SONG PENGJIE, LV YONGJUN, HU LIZHENG, ZHOU HUBING, AI PENG, FAN ZHENFANG, JIA YINGGANG, YUAN YUE, LIU HAO
Принадлежит:

The invention discloses a construction method for guide pipe reinforcement grouting, which comprises the following steps: measuring the side wall of a tunnel, marking the positions of a plurality of grouting holes, digging the holes, and cleaning the holes to form the plurality of grouting holes; floral tubes are inserted into the grouting holes respectively, one end of each floral tube is connected with a hydraulic grouting machine, a plurality of grout guide holes are formed in the tube wall of the other end of each floral tube, and grout in the floral tubes flows into the grouting holes through the grout guide holes; the hydraulic grouting machine is adopted to conduct grouting on the multiple grouting holes in sequence, the grouting time of each grouting hole is 3-5 min, and the pressure of 0.5-1.0 MPa is adopted; when the grouting pressure is too small, grout cannot be conveyed into the grouting hole, and when the grouting pressure is too large, the phenomenon that the floral tube ...

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Номер записи: 3
27-06-2023 дата публикации

Machining method for rolling straight threads of reinforcing steel bars

Номер: CN116329435A
Автор: LIANG JIANXIN, SONG PENGJIE, WANG ZHONGCHENG, LV YONGJUN, ZHOU HUBING, LI JUNZHENG, AI PENG, FAN ZHENFANG
Принадлежит:

The invention discloses a processing method for rolling straight threads of reinforcing steel bars, which comprises the following steps of: cutting the reinforcing steel bars with the same specification according to the sequence of cutting long materials first and then cutting short materials; the steel bar is cut off through toothless saw equipment, and the notch section of the steel bar is perpendicular to the axis of the steel bar; according to the length of the connecting sleeve, dimension scales are marked on the outer walls of the ends of the two steel bars so as to determine the length of the portion, stretching into the connecting sleeve, of each steel bar; rib stripping treatment is conducted on the end portion of each steel bar so that a compact layer of the steel bar can be removed; the ends of the reinforcing steel bars are clamped through a thread rolling machine, the thread rolling machine is started for machining operation, so that the ends of the reinforcing steel bars are ...

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Номер записи: 4
06-01-2010 дата публикации

Data sharing type area protection system based on IEC 61850

Номер: CN0101621216A
Автор: MIN CAI, HUBING ZHOU, YANFENG ZHAO, YOUHUAI WANG, ZENGLI YANG, WENHUI TIAN, CAI MIN, ZHOU HUBING, ZHAO YANFENG, WANG YOUHUAI, YANG ZENGLI, TIAN WENHUI
Принадлежит:

The invention discloses a data sharing type area protection system based on IEC 61850, which is based on a high-speed data communication network, a plurality of lines which are closely interrelated are considered to be used as one area, intelligent protection devices inside the area are mutually connected through optical fibers, GPS synchronous data are adopted, and the information is shared, therefore, the novel protection system is established. The protection system utilizes a plurality of points to share synchronous information, is capable of accurately judging a position of fault when the protection system is broken down, has the absolute selectivity of protection action during normal communication and can select a protection unit needed to be used as reserve protection action according to a topological structure and a fault wire position of a protected electric system when main protection is rejected or a circuit breaker does not work. Compared with the traditional reserve protection ...

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Номер записи: 5
26-05-2023 дата публикации

Curve section shield tunneling method

Номер: CN116163749A
Автор: SONG PENGJIE, LV YONGJUN, HU LIZHENG, ZHOU HUBING, JIA YINGGANG, TANG XIKUI, YUAN YUE
Принадлежит:

The invention discloses a curved section shield tunneling method, which is used for adjusting the tunneling construction strategy of a shield tunneling machine in the construction process, and comprises the following steps: acquiring the current environment parameters of a tunnel section which is currently tunneled by the shield tunneling machine; obtaining current construction posture parameters of the shield tunneling machine; according to the current environment parameters and the construction posture parameters, the construction posture of the shield tunneling machine is adjusted; calculating an optimal machine body length parameter of the shield tunneling machine according to the current environment parameter; adjusting the tail shield position of the shield tunneling machine according to the optimal machine body length parameter; according to the current environment parameters, the type of the assembled duct pieces is determined, and the shield tunneling machine is controlled to assemble ...

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Номер записи: 6
30-06-2023 дата публикации

Concrete pouring method

Номер: CN116357087A
Автор: SONG PENGJIE, HU LIZHENG, ZHOU HUBING, LV YONGJUN, AI PENG, YANG TAO, LIU ZIYAN, LI YANG, HU JINTONG, CHAI WEIGANG
Принадлежит:

The invention discloses a concrete pouring method, and relates to the technical field of concrete construction, and the method comprises the following steps: checking the slump of concrete; checking the setting time of the concrete and the workability of the concrete; concrete is pumped; wall body concrete is poured, and slurry receiving treatment is conducted before the wall body concrete is poured; and vibrating the concrete to form a wall body. By standardizing the pouring operation process of the concrete, the pouring construction quality of the concrete is guaranteed, so that the technical problem of appearance quality defects of the concrete caused by nonstandard pouring operation of the concrete is prevented, and the appearance quality of the formed concrete is prevented from being influenced; the defects of voids and pitted surfaces, holes, exposed ribs, cracks and interlayers on the appearance of a concrete finished product are prevented.

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Номер записи: 7
27-06-2023 дата публикации

Construction technology of sprayed concrete

Номер: CN116335723A
Автор: WANG ZHONGCHENG, SONG PENGJIE, LV YONGJUN, ZHOU HUBING, HU LIZHENG, FAN ZHENFANG, AI PENG
Принадлежит:

The invention discloses a construction process for spraying concrete, which comprises the following steps of: 1, cleaning loose rocks, rock residues and deposits in a side slope of a tunnel, driving a plurality of anchor rods into the side slope, and arranging a base plate at the end part of each anchor rod; secondly, a reinforcing mesh is laid on the side slope, the reinforcing mesh is covered with a plurality of anchor rods, and the reinforcing mesh is connected with the anchor rods; step 3, uniformly stirring cement and aggregate according to a mass ratio of 1: 1.5 to form a mixture; adding water and a thickening agent into the mixture, wherein the mass ratio of the mixture to the water to the thickening agent is 1: 0.15: 0.0003; by adding the water according to the proportion, the humidity of the mixture can be increased, so that when the mixture is sprayed, the humidity of the mixture is relatively high, and dry powder is not easy to form; as the viscosity is increased, the cohesiveness ...

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Номер записи: 8
01-08-2023 дата публикации

Shield construction method in limited operation space

Номер: CN116517563A
Автор: LYU YONGJUN, XU HAO, SONG PENGJIE, ZHOU HUBING, HU LIZHENG, YUE LINHUI, JIA YINGGANG, ZHANG JIA, ZHANG TAOTAO, LIU HETING, ZHANG ZICHAO
Принадлежит:

The invention discloses a shield construction method in a limited operation space. The shield construction method comprises the following steps that S100, tunneling construction is conducted on a shield starting section; wherein the shield starting section is 90-110 m after a slurry shield tunneling machine enters a tunnel from a starting well to conduct tunneling; and S200, shield normal section tunneling construction is carried out. A tunneling section in shield construction in a limited operation space is divided into two parts, namely, starting section tunneling construction and normal section tunneling construction, so that on one hand, a soil body at the end of a shield starting well is generally reinforced, and a soil layer structure of the starting section is different from a soil layer structure of the normal section; and on the other hand, the influence of the slurry shield tunneling machine on the soil layer structure is not stable in the 90-110m interval range after the slurry ...

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Номер записи: 9
30-05-2023 дата публикации

Shield starting tunnel portal breaking and removing method

Номер: CN116181357A
Автор: TANG XIKUI, SONG PENGJIE, ZHU XUN, LV YONGJUN, ZHOU HUBING, LIU WEILONG, ZHAI XIAOFEI, TIAN HAO, WANG XU, WANG DOUJIE
Принадлежит:

The invention discloses a shield starting tunnel portal breaking method which comprises the following steps that a horizontal exploring hole is formed in the position of a tunnel portal, an operation platform is arranged on the outer side of a tunnel circle and used for operation of operators and breaking of foundation pit enclosure concrete, shield starting is started into the tunnel from a breaking tunnel opening, and through arrangement of a foundation pit enclosure, the shield starting tunnel portal is broken. The underground water seepage or water gushing is prevented, the foundation pit and the shield tunneling machine are prevented from being submerged, tunnel portal soil mass collapse and casualties are avoided, the height of the underground water level is conveniently observed by punching a horizontal detection hole in the position of the tunnel portal, the problem of water gushing in the tunnel portal breaking process is avoided, and meanwhile the working platform is arranged, ...

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Номер записи: 10
23-06-2023 дата публикации

Reinforcement cage manufacturing method

Номер: CN116274765A
Автор: ZHOU HUBING, SONG PENGJIE, LV YONGJUN, CUI MENGLIN, JIA QI, LI JUNZHENG, YUAN YUE, XIE XIONG, XIE XIN, ZHANG WEI, WANG YUCHEN
Принадлежит:

The invention discloses a steel reinforcement cage manufacturing method, and relates to the technical field of manufacturing of steel reinforcement cages of bored piles, the steel reinforcement cage manufacturing method comprises the following steps: manufacturing a steel reinforcement positioning frame; the main reinforcement is placed on the positioning frame; stiffening hoops are welded on the main reinforcements; spiral reinforcements are wound on the main reinforcements to form a semi-finished reinforcement cage; and the semi-finished reinforcement cage is subjected to repair welding reinforcement, and a finished reinforcement cage is formed. Through the construction mode of manufacturing the steel bar positioning frame, positioning the position of the main bar and welding the reinforcing hoop and coiling the spiral bar on the main bar on the positioning frame, the field production mode of the steel bar cage is standardized, the field machining efficiency of the steel bar cage is improved ...

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Номер записи: 11
26-05-2023 дата публикации

Binding method for floor reinforcing steel bars

Номер: CN116163533A
Автор: ZHOU HUBING, WANG ZHONGCHENG, SONG PENGJIE, LI ZENGLIANG, LI JUNZHENG, LV YONGJUN, JIA YINGGANG, YUAN YUE, FAN ZHENFANG, LIU HAO
Принадлежит:

The invention discloses a method for binding floor reinforcing steel bars, which comprises the following steps of: marking the distribution positions of the reinforcing steel bars on a template of a floor, placing a plurality of longitudinal bars and a plurality of transverse bars according to marks on the template, and distributing in a staggered manner to form a double-layer reinforcing mesh; each layer of reinforcing mesh is provided with a plurality of cross point positions, and the number of the cross point positions accounting for half of the cross point positions is selected for binding; the intersection points are bound to form a plurality of groups of diamond-shaped connecting tracks, and each group of connecting tracks is internally provided with an idle point; half of the intersection points are selected from the intersection points for binding, the binding workload of the whole reinforcing mesh can be reduced by half, meanwhile, multiple sets of diamond-shaped connecting tracks ...

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Номер записи: 12
18-04-2012 дата публикации

Protection system for area electric network data sharing

Номер: CN0101621217B
Автор: CAI MIN, WANG YOUHUAI, ZHOU HUBING, ZHAO YANFENG, YIN JIANGANG, TIAN WENHUI, MIN CAI, YOUHUAI WANG, HUBING ZHOU, YANFENG ZHAO, JIANGANG YIN, WENHUI TIAN
Принадлежит:

The invention discloses a protection system for area data sharing, which is based on a high-speed data communication network, a plurality of lines which are closely interrelated are considered to be used as one area, protection devices inside the area are mutually connected through optical fibers, and the information is shared, therefore, the novel protection system is established. The protectionsystem utilizes a plurality of points to share synchronous information, is capable of accurately judging a position of fault when the protection system is broken down, has the absolute selectivity ofprotection action during normal communication and can select a protection unit needed to be used as reserve protection action according to a topological structure and a fault wire position of a protected electric system when main protection is rejected or a circuit breaker does not work. Compared with the traditional reserve protection action, the intelligent reserve protection action of the areahas ...

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Номер записи: 13
04-08-2023 дата публикации

One-key sequence control checking method, device and system based on MMS mirror image message monitoring and storage medium

Номер: CN116546064A
Автор: CHEN YONGXIN, LI HENGXUAN, LI XIAOHUI, ZHOU HUBING, WANG ZUOWEI, ZHANG KANJUN, BA QUANKE, WEN BO, SHI YICHUAN, HUANG KE, TENG JIE, ZHAN BAILIN, YUAN JIANGJIANG
Принадлежит:

The invention provides a one-key sequence control checking method, device and system based on MMS mirror image message monitoring and a storage medium, and the method comprises the steps: capturing and filtering messages of remote signaling, remote measurement, remote control and the like related to a whole sequence control process in an actual sequence control operation process of a sequence control host and a measurement and control device through a mode of capturing and analyzing an MMS mirror image message in real time; generating a sequence control operation process reference library according to configurations such as a sequence control operation ticket and an SCD file; and analyzing and comparing the captured actual sequence control flow message with the signals in the reference library, and finally realizing correctness judgment of the sequence control test process. According to the invention, the limitation that the sequence control process debugging verification cannot be carried ...

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Номер записи: 14
16-05-2023 дата публикации

Shield arrival method

Номер: CN116122827A
Автор: LIANG JIANXIN, SONG PENGJIE, LV YONGJUN, HU LIZHENG, ZHOU HUBING, JIA YINGGANG, LEI YUNHUI, TANG XIKUI, YU XIANGTAO
Принадлежит:

The invention discloses a shield arrival method. The shield arrival method comprises the following steps that the geological type of an interval to be excavated is obtained; determining the type of the shield tunneling machine according to the geological type; a shield receiving well is excavated at the end point of the interval to be excavated; the shield tunneling machine is placed in the interval to be excavated for tunneling; and before the shield receiving well is reached, the real-time distance between the shield tunneling machine and the shield receiving well is obtained, and the advancing speed of the shield tunneling machine is adjusted according to the real-time distance until the shield tunneling machine tunnels and breaks the tunnel portal of the shield receiving well and reaches the shield receiving well. According to the scheme, a traditional shield arrival mode is changed, the advancing speed of the shield tunneling machine is adjusted in real time according to the real-time ...

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Номер записи: 15
27-06-2023 дата публикации

Genetic algorithm-based power system safety and stability control strategy generation method, device and system and storage medium

Номер: CN116345544A
Автор: WEN BO, SHI YICHUAN, WANG WEILUN, ZHOU HUBING, ZHANG KANJUN, HAN QINGQING, LI HENGXUAN, TENG JIE, CHEN YONGXIN
Принадлежит:

The invention discloses a power system safety and stability control strategy generation method, device and system based on a genetic algorithm, and a storage medium. The method comprises the following steps: firstly, constructing a target power system fault set and a capacity set of each plant station cuttable machine; then traversing the fault set, using the fitness of the generator tripping strategy as a target function, using the response time weight, the system stability weight and the distance weight between the generator tripping plant station and the fault point as constraint conditions, and using a genetic algorithm to iterate the generator tripping capacity set to obtain an optimal generator tripping strategy; and finally verifying feasibility of the generator tripping strategy, and generating a target power system safety and stability control strategy. The method can quickly adapt to the change of the power system in real time, can quickly respond to and calculate the newest power ...

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Номер записи: 16
18-08-2023 дата публикации

Intelligent substation secondary equipment configuration file change management method

Номер: CN116610637A
Автор: WU DI, LI HENGXUAN, ZHOU HUBING, YANG ZENGLI, LI PENG, CHEN YONGXIN, SUI XINYU, TANG QIANG, SUN HONGYI
Принадлежит:

The invention discloses an intelligent substation secondary equipment configuration file change management method, which comprises the following steps of: establishing a substation basic information base, identifying all secondary equipment information contained in an SCD (Substation Configuration Description) file, displaying and importing configuration file information corresponding to each secondary equipment in a secondary equipment list, and creating a configuration file change task; the configuration file change task is checked, the configuration file change task is confirmed and executed, the configuration file change task is executed, the execution process of the configuration file change task is visualized, the configuration file change task of the secondary equipment is selected for backtracking, the site information of the site information base is updated, and the configuration file information of the secondary equipment is updated. According to the invention, standardization ...

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Номер записи: 17
13-06-2023 дата публикации

Method for protecting ancient building when shield tunneling machine passes through ancient building

Номер: CN116255155A
Автор: ZHU XUN, SONG PENGJIE, TANG XIKUI, LV YONGJUN, ZHOU HUBING, HU LIZHENG, LIU WEILONG, ZHAI XIAOFEI, XU BING
Принадлежит:

The invention discloses a method for protecting an ancient building when a shield tunneling machine passes through the ancient building, which comprises the following steps of: determining an influence interval of tunnel excavation of the shield tunneling machine on the ancient building, determining a pipe burying point in the influence interval, burying a grouting pipe at the pipe burying point, and monitoring settlement parameters of the ancient building when the shield tunneling machine passes through the ancient building, determining a grouting strategy according to the settlement parameters, controlling a grouting device to inject grout into the stratum through the grouting pipe according to the grouting strategy, determining a tunneling strategy according to the settlement parameters, adjusting tunneling parameters of the shield tunneling machine according to the tunneling strategy, and controlling the shield tunneling machine to pass through the historic building according to the ...

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Номер записи: 18
06-06-2023 дата публикации

Construction method for underground excavation of underneath pass channel

Номер: CN116220699A
Автор: LIANG JIANXIN, SONG PENGJIE, WANG ZHONGCHENG, AI PENG, ZHOU HUBING, HU JINTONG, HUANG YUZENG, HOU ZHENHUA, LI YANG, LIU HAO
Принадлежит:

The invention discloses a construction method for underground excavation of an underneath pass channel. The construction method comprises the following steps: excavating at a first preset depth by adopting a step method to form a first pilot tunnel; excavating at a preset gradient and a second preset depth to form a second pilot tunnel; excavating at a third preset depth by adopting a benching method to form a third pilot tunnel; excavating at a preset gradient and a fourth preset depth to form a fourth pilot tunnel; the steps are cyclically carried out until the section to be excavated is completely removed; and communicating the first pilot tunnel, the second pilot tunnel, the third pilot tunnel and the fourth pilot tunnel to form the underground excavation underpass channel. According to the method, the to-be-excavated face is excavated according to the excavation progress with the difference of at least 10 m, the earthwork stability of all positions of the to-be-excavated section in ...

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Номер записи: 19
01-04-2015 дата публикации

Fault current calculation method for electric power system comprising double-feed wind power generator set

Номер: CN104485684A
Автор: YANG ZENGLI, ZHANG ZHE, ZHOU HUBING, YIN XIANGGEN, WANG YOUHUAI, XIAO FAN, WANG LIJUN, YANG HANG
Принадлежит:

The invention discloses a fault current calculation method for an electric power system considering excitation regulation characteristics of a double-feed wind power generator set. The method comprises the steps that S1, an equivalent controlled current source model of the double-feed wind power generator set under the influence of excitation regulation characteristics is built; S2, a positive sequence impedance matrix, a negative sequence impedance matrix and a zero sequence impedance matrix of the electric power system are built; S3, a fault point boundary condition equation in different fault types is built; S4, iterative calculation is carried out for obtaining the controlled current source value of the double-feed wind power generator set; S5, each sequence voltage value of each node during the current iterative calculation is obtained according to the controlled current source value of the double-feed wind power generator set, an electric network node voltage equation represented ...

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Номер записи: 20
06-01-2010 дата публикации

Protection system for area electric network data sharing

Номер: CN0101621217A
Автор: MIN CAI, YOUHUAI WANG, HUBING ZHOU, YANFENG ZHAO, JIANGANG YIN, WENHUI TIAN, CAI MIN, WANG YOUHUAI, ZHOU HUBING, ZHAO YANFENG, YIN JIANGANG, TIAN WENHUI
Принадлежит:

The invention discloses a protection system for area data sharing, which is based on a high-speed data communication network, a plurality of lines which are closely interrelated are considered to be used as one area, protection devices inside the area are mutually connected through optical fibers, and the information is shared, therefore, the novel protection system is established. The protection system utilizes a plurality of points to share synchronous information, is capable of accurately judging a position of fault when the protection system is broken down, has the absolute selectivity of protection action during normal communication and can select a protection unit needed to be used as reserve protection action according to a topological structure and a fault wire position of a protected electric system when main protection is rejected or a circuit breaker does not work. Compared with the traditional reserve protection action, the intelligent reserve protection action of the area has ...

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Номер записи: 21
21-07-2023 дата публикации

Track longitudinal slope construction method

Номер: CN116464457A
Автор: ZHOU HUBING, SONG PENGJIE, HU LIZHENG, LV YONGJUN, YUE LINHUI, JIA YINGGANG, ZHANG JIA, ZHANG TAOTAO, CHANG XIAOLIANG, YANG JIAQI, LI CHUNXIN, LI BO
Принадлежит:

The invention discloses a rail longitudinal slope construction method. The method comprises the following steps that a construction section of a longitudinal slope section is detected and reinforced; a starting bracket is assembled, the starting bracket is hoisted to the construction section, and positioning installation and reinforcement treatment are conducted; a shield tunneling machine is assembled and hoisted to the construction section, so that the shield tunneling machine is installed on the starting bracket, and the shield tunneling machine and the vertical plane where the construction section is located are obliquely arranged; the shield tunneling machine is driven to conduct tunneling; assembling and hoisting the negative ring duct piece structure to a tunneling completion part of the construction section; and the negative ring duct piece structure is fixed. According to the technical scheme, the installation stability and the construction safety can be improved.

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Номер записи: 22
29-08-2023 дата публикации

Four-remote information traceability and display method based on secondary loop model

Номер: CN116667523A
Автор: LI HENGXUAN, HONG MEIZI, LI XIAOHUI, CHEN YONGXIN, ZHOU HUBING, WANG ZUOWEI, ZHANG KANJUN, TAN TANG, WEN BO, LI HUI, WANG YIBO, HU JIAJIA, SUN HONGYI
Принадлежит:

The invention provides a four-remote information traceability and display method based on a secondary loop model. The method comprises the following steps: deploying a cloud server on a safe IV area of an electric power secondary system; uploading a whole-station secondary circuit model file to the cloud server through a client webpage; real-time data interaction of four-remote information is carried out between the cloud server and the SCADA system; visualization of a secondary loop model and classification association and matching of four-remote information are carried out; performing visual layered display and traceability on a screen cabinet, secondary equipment, a terminal and a loop related to the four-remote information; the measurement and control device is operated at the mobile terminal to switch on or switch off a certain switch or disconnecting link, the simulation monitoring background sends a command to measurement and control, a secondary loop related to the command is displayed ...

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Номер записи: 23
04-07-2023 дата публикации

Temporary support dismantling method

Номер: CN116378755A
Автор: WANG ZHONGCHENG, LV YONGJUN, ZHOU HUBING, HU LIZHENG, HOU ZHENHUA, AI PENG, LI QIANG, CHAI WEIGANG, WANG GUANHONG, LIAO JIANFENG
Принадлежит:

The invention discloses a temporary support dismantling method which is characterized in that a temporary support is arranged on an excavated section of a tunnel, the excavated section of the tunnel is further provided with a primary support, the temporary support is arranged corresponding to the primary support, and the temporary support dismantling method comprises the following steps that before the temporary support is dismantled, the primary support is arranged corresponding to the temporary support; monitoring the temporary support for the first time to obtain first monitoring data; corresponding to the temporary supports, a working platform is erected on the excavated sections of the tunnel; carrying out a dismantling test on the temporary support, and monitoring the temporary support again to obtain second monitoring data; comparing the first monitoring data with the second monitoring data to obtain a dismantling test result; and dismantling the temporary support according to a ...

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Номер записи: 24
16-02-2011 дата публикации

Data sharing type area protection system based on IEC 61850

Номер: CN0101621216B
Автор: MIN CAI, HUBING ZHOU, YANFENG ZHAO, YOUHUAI WANG, ZENGLI YANG, WENHUI TIAN, CAI MIN, ZHOU HUBING, ZHAO YANFENG, WANG YOUHUAI, YANG ZENGLI, TIAN WENHUI
Принадлежит:

The invention discloses a data sharing type area protection system based on IEC 61850, which is based on a high-speed data communication network, a plurality of lines which are closely interrelated are considered to be used as one area, intelligent protection devices inside the area are mutually connected through optical fibers, GPS synchronous data are adopted, and the information is shared, therefore, the novel protection system is established. The protection system utilizes a plurality of points to share synchronous information, is capable of accurately judging a position of fault when theprotection system is broken down, has the absolute selectivity of protection action during normal communication and can select a protection unit needed to be used as reserve protection action according to a topological structure and a fault wire position of a protected electric system when main protection is rejected or a circuit breaker does not work. Compared with the traditional reserve protection ...

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