CN111048336A - GIS interlocking device and transformer substation system - Google Patents
GIS interlocking device and transformer substation system Download PDFInfo
- Publication number
- CN111048336A CN111048336A CN201911357708.1A CN201911357708A CN111048336A CN 111048336 A CN111048336 A CN 111048336A CN 201911357708 A CN201911357708 A CN 201911357708A CN 111048336 A CN111048336 A CN 111048336A
- Authority
- CN
- China
- Prior art keywords
- module
- loop
- gis
- switching
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application relates to a GIS interlocking device and transformer substation system, the GIS interlocking device includes: the device comprises primary equipment, secondary equipment, an opening module, a closing loop, a separating loop, an opening module and a control module. The opening module is connected with the primary equipment, collects the switching value of the primary equipment and transmits the switching value to the control module. And the control module sends a closing signal to the opening module when the switching value meets a first preset condition so as to control the closing loop to work. And the control module sends a brake separating signal to the opening module when the switching value meets a second preset condition so as to control the brake separating loop to work. In the whole working process, the primary equipment is connected with the closing loop and the opening loop through the opening module, the opening module and the control module, so that the technical problems that a large number of relays are used, intermediate links are too much, and the reliability of the disconnecting link interlocking loop is poor are solved, and the technical effect of improving the reliability of the disconnecting link interlocking loop is achieved.
Description
Technical Field
The application relates to the technical field of power grids, in particular to a GIS interlocking device and a transformer substation system.
Background
A relay is an electric control device that causes a controlled amount to change in a predetermined step change in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. Relays are usually used in automatic control circuits, and are "automatic switches" which use small current to control large current operation, and play roles in automatic regulation, safety protection, switching circuits, and the like in the circuits.
At present, a GIS intelligent substation is in a starting stage, and most of connection parts between primary equipment and secondary equipment in the GIS substation which is put into operation, such as a disconnecting link interlocking loop and the like, form a loop by using electromagnetic relays. However, the traditional knife switch interlocking loop mostly adopts an interlocking mode, a large number of electromagnetic relays need to be arranged, and the actions of switching on and switching off can be executed through the repeated action of a plurality of layers. Therefore, the knife switch interlocking circuit in the traditional technology has the problem of poor reliability.
Disclosure of Invention
Therefore, it is necessary to provide a GIS interlocking device and a substation system for solving the problem of poor reliability of a disconnecting link interlocking circuit in the conventional technology.
The utility model provides a GIS interlocking device, is applied to GIS transformer substation, GIS transformer substation includes primary equipment and secondary equipment, GIS interlocking device includes:
the opening module is connected with the primary equipment and used for acquiring the switching value of the primary equipment;
the output end of the closing loop is electrically connected with the secondary equipment, and the closing loop is used for controlling the secondary equipment to close;
the output end of the opening loop is connected with the secondary equipment, and the opening loop is used for controlling the opening of the secondary equipment;
the output end of the opening module is respectively in signal connection with the input end of the closing loop and the input end of the opening loop; the opening module is used for controlling the switching-on loop or the switching-off loop to work in an alternative mode;
the control module is respectively in communication connection with the output end of the switching-in module and the input end of the switching-out module, and is used for sending a switching-on signal to the switching-out module to control the switching-on loop to work if the switching value meets a first preset condition; and if the switching value meets a second preset condition, transmitting a switching-off signal to the switching-off module so as to control the switching-off loop to work.
In one embodiment, the method further comprises the following steps:
the input end of the position contact point acquisition module is in signal connection with the primary equipment, and the output end of the position contact point acquisition module is in communication connection with the control module; the position contact point acquisition module is used for acquiring the position contact points of the primary equipment.
In one embodiment, the method further comprises the following steps:
the input end of the temperature acquisition module is connected with the primary equipment, and the output end of the temperature acquisition module is in communication connection with the control module.
In one embodiment, the method further comprises the following steps:
the input end of the conversion module is in signal connection with the opening module, the position contact acquisition module and the temperature acquisition module respectively, the output end of the conversion module is in communication connection with the control module, and the conversion module is used for converting the opening amount, the position contact of the primary equipment and the temperature of the primary equipment into digital signals respectively and conveying the digital signals to the control module.
In one embodiment, the method further comprises the following steps:
and the alarm module is in communication connection with the control module, and the control module is used for outputting an alarm signal when the temperature of the primary equipment exceeds a preset threshold value.
In one embodiment, the opening module comprises a plurality of acquisition ports for connecting different primary devices.
In one embodiment, the closing circuit comprises a plurality of electromagnetic relays which are connected in parallel.
In one embodiment, the opening loop comprises a plurality of relays which are connected in parallel.
In one embodiment, the method further comprises the following steps:
and the display control terminal is in communication connection with the control module.
A GIS substation system comprising:
the GIS interlock as described above;
the primary equipment is connected with the opening module;
and the secondary equipment is electrically connected with the closing loop or the opening loop respectively.
The embodiment of the application provides a GIS interlocking device and transformer substation system, the GIS interlocking device includes: the device comprises primary equipment, secondary equipment, an opening module, a closing loop, a separating loop, an opening module and a control module. The switching-in module is connected with the primary equipment, collects the switching value of the primary equipment and transmits the switching value to the control module. And the control module sends a closing signal to the opening module when the switching value meets a first preset condition so as to control the closing loop to work. And the control module sends a switching-off signal to the switching-off module when the switching value meets a second preset condition so as to control the switching-off loop to work. In the whole working process, the primary equipment is connected with the switching-on loop and the switching-off loop only through the switching-in module, the switching-out module and the control module, so that a large number of relays are avoided. The GIS interlocking device of the embodiment of the application solves the technical problems that a large number of relays are needed to be adopted in the traditional technology, the number of intermediate links is too large, and the reliability of the disconnecting link interlocking loop is poor, and achieves the technical effect of improving the reliability of the disconnecting link interlocking loop.
Drawings
Fig. 1 is a structural diagram of a GIS interlocking device according to an embodiment of the present application;
fig. 2 is a diagram illustrating a structure of a GIS interlocking device according to an embodiment of the present application;
fig. 3 is a diagram illustrating a structure of a GIS interlocking device according to an embodiment of the present application;
fig. 4 is a diagram illustrating a structure of a GIS interlocking device according to an embodiment of the present application;
fig. 5 is a diagram of a GIS substation system structure according to an embodiment of the present application.
Description of reference numerals:
10. a GIS interlocking device; 100. primary equipment; 200. secondary equipment; 300. opening a module; 410. a closing loop; 420. a brake separating loop; 500. opening a module; 600. a control module; 710. a position contact acquisition module; 720. a temperature acquisition module; 730. an alarm module; 800. a conversion module; 900. displaying and controlling a terminal; 20. GIS transformer substation system.
Detailed Description
In order to make the purpose, technical solution and advantages of the present application more clearly understood, the following describes in detail a GIS interlocking device and a substation system of the present application by way of embodiments and with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The power grid system comprises a primary device and a secondary device, wherein the primary device generally comprises: generators, transformers, circuit breakers, disconnectors, reclosers, contactors, knife switches, buses, transmission lines, power cables, reactors, and the like. The secondary device generally comprises: the measuring meters comprise a voltmeter, an ammeter, a power meter, an electric energy meter, an insulation monitoring device, a control and signal device, a relay protection and automatic device, such as a relay, an automatic device, a disconnecting link, a closing loop, an opening loop and the like. The embodiment of the present application takes a closing loop and an opening loop as examples for specific description.
Referring to fig. 1, an embodiment of the present application provides a GIS interlocking device 10, which is applied to a GIS substation, where the GIS substation includes a primary device 100 and a secondary device 200, and the GIS interlocking device 10 includes: the switching-on module 300, the switching-on circuit 410, the switching-off circuit 420, the switching-off module 500 and the control module 600.
The switching module 300 is connected to the primary device 100 and is configured to collect a switching value of the primary device 100. The switching value refers to the acquisition and output of a discontinuous signal, and in this embodiment, refers to the connection and disconnection of contacts in each control node in the primary equipment 100. In this embodiment, the switching value may refer to "on" and "off" outputs of the relay inside the primary device 100. The opening module 300 may be a 16-point opening module of S7-1500, a 24/48VDC opening module, or any other type of opening module, and the embodiment does not limit the opening module 300, and only needs to satisfy the function of acquiring the switching value of the primary device 100.
The output end of the closing loop 410 is electrically connected to the secondary device 200, and the closing loop 410 is used for controlling the secondary device 200 to close. The closing circuit 410 is a circuit that operates in the secondary device 200 and closes or closes a circuit breaker, a relay, or the like in the secondary device 200. In this embodiment, the closing circuit 410 may refer to a control circuit that controls a switch, a knife switch, and the like in the secondary device 200. The closing loop 410 is used for controlling the switch to be switched on or the knife switch to be closed. The output end of the opening loop 420 is connected to the secondary device 200, and the opening loop 420 is used for controlling the opening of the secondary device 200. The switching-off loop 420 is a control circuit for controlling the switch of the secondary device 200 to be turned off or the switch to be switched off. In this embodiment, the closing circuit 410 and the opening circuit 420 are not limited at all, and only the functions of controlling closing and opening in the secondary device 200 may be satisfied.
The output end of the opening module 500 is in signal connection with the input end of the closing loop 410 and the input end of the opening loop 420, respectively. The opening module 500 is used for controlling the operation of the closing loop 410 or the opening loop 420 in an alternative manner. The opening module 500 may be configured to output a level signal, and the opening module 500 may also transmit a signal to an input end of the closing loop 410 or an input end of the opening loop 420 in a manner of outputting an optical signal or any other signal. The opening module 500 may be a 16-point opening module of S7-1500, a 24/48VDC opening module, or any other type of opening module, and in this embodiment, the opening module 500 is not limited at all, and only needs to satisfy the function of controlling the operation of the closing circuit 410 or the opening circuit 420 in an alternative manner.
The control module 600 is respectively in communication connection with the output end of the opening module 300 and the input end of the opening module 500, and is configured to send a closing signal to the opening module 500 to control the closing circuit 410 to operate if the switching value meets a first preset condition; if the switching value meets a second preset condition, a switching-off signal is sent to the switching-off module 500 to control the switching-off loop 420 to work. The control module 600 may be implemented by software, such as a computer program, and the control module 600 may also be implemented by hardware, such as a control chip, a control circuit, or a processor. In this embodiment, the control module 600 is not limited at all, and only the control on the closing circuit 410 and the opening circuit 420 needs to be achieved.
The working principle of the GIS interlocking device 10 provided by the embodiment of the application is as follows:
this embodiment provides a GIS interlocking device 10 and transformer substation system, GIS interlocking device 10 includes: the system comprises a primary device 100, a secondary device 200, an opening module 300, a closing loop 410, an opening loop 420, an opening module 500 and a control module 600. The switching-on module 300 is connected to the primary device 100, collects a switching value of the primary device 100, and transmits the switching value to the control module 600, and the control module 600 is respectively connected to the switching-on circuit and the switching-off circuit 420, and controls the switching-on circuit 410 and the switching-off circuit 420. When the switching value meets a first preset condition, the control module 600 sends a closing signal to the opening module 500 to control the closing loop 410 to work and start a closing action. And when the switching value meets a second preset condition, sending a switching-off signal to the switching-off module 500 to control the switching-off loop 420 to work and start a switching-off action.
This embodiment provides a GIS interlocking device 10 and transformer substation system, GIS interlocking device 10 includes: the system comprises a primary device 100, a secondary device 200, an opening module 300, a closing loop 410, an opening loop 420, an opening module 500 and a control module 600. The opening module 300 is connected to the primary device 100, collects the switching value of the primary device 100, and transmits the switching value to the control module 600. When the switching value meets a first preset condition, the control module 600 sends a closing signal to the opening module 500 to control the closing loop 410 to work. When the switching value meets a second preset condition, the control module 600 sends a switching-off signal to the switching-off module 500 to control the switching-off loop 420 to work. In the whole working process, the primary device 100 is connected with the switching-on loop 410 and the switching-off loop 420 only through the switching-on module 300, the switching-off module 500 and the control module 600, so that a large number of relays are avoided. The GIS interlocking device 10 of the embodiment solves the technical problems that a large number of relays are needed to be adopted, intermediate links are too many, and the reliability of the disconnecting link interlocking circuit is poor in the traditional technology, and achieves the technical effect of improving the reliability of the disconnecting link interlocking circuit.
Referring to fig. 2 and fig. 3, an embodiment of the present application provides a GIS interlocking device 10, further including: a position contact collection module 710, a temperature collection module 720, a conversion module 800 and an alarm module 730.
The input end of the position contact point acquisition module 710 is in signal connection with the primary device 100, and the output end of the position contact point acquisition module 710 is in communication connection with the control module 600. The position contact acquisition module 710 is used for acquiring position contacts of the primary device 100. The location contacts are each control connection point of the primary appliance 100 or other connection points that need to be monitored, etc. The position contact collecting module 710 may be implemented by software, or may be implemented by hardware, for example, by analyzing the current, voltage, electric field, and the like of each connection point of the primary device 100 to determine the position contact, and thereby determining the working state or position state of each connection point of the primary device 100.
The input end of the temperature collection module 720 is connected to the primary device 100, and the output end of the temperature collection module 720 is connected to the control module 600 in a communication manner. The temperature acquisition module 720 can be implemented by a temperature sensor, a temperature measuring instrument, etc. The temperature acquisition module 720 may include one or more of the temperature sensor or the temperature measuring instrument, etc.
The alarm module 730 is in communication connection with the control module 600, and the control module 600 is configured to output an alarm signal when the temperature of the primary device 100 exceeds a preset threshold. The alarm module 730 is implemented by adopting an alarm circuit, an alarm chip and the like, and the alarm signal can be an optical signal, a sound signal or any other signal which is easy to identify by a worker, so that the alarm signal can be found in time and can be taken to take measures to process in time.
The input end of the conversion module 800 is in signal connection with the opening module 300, the position contact collection module 710 and the temperature collection module 720, the output end of the conversion module 800 is in communication connection with the control module 600, and the conversion module 800 is configured to convert the opening amount, the position contact of the primary device 100 and the temperature of the primary device 100 into digital signals respectively and transmit the digital signals to the control module 600. The conversion module 800 may be implemented by an analog-to-digital conversion circuit, and the like, and the conversion module 800 is mainly used for converting the input amount, the position contact of the primary device 100, and the temperature of the primary device 100 into digital signals which are conveniently received and processed by the control module 600. The control module 600 can alternatively control the operation of the closing loop 410 or the opening loop 420 according to the digital signal. That is, only one of the closing circuit 410 and the opening circuit 420 is in operation at the same time, and the other is in an off state.
In one embodiment, the opening module 300 comprises a plurality of acquisition ports for connecting different primary devices 100. The types and kinds of the primary devices 100 in the power grid system are many, and the access module 300 may be provided with a plurality of acquisition ports, so as to be connected to different primary devices 100, or connected to different parts of the same primary device 100, so as to acquire different parameters.
One of the closing circuits 410 includes a plurality of electromagnetic relays connected in parallel. The opening circuit 420 includes a plurality of relays connected in parallel. The electromagnetic relay realizes the connection or disconnection of the controlled circuit by the mechanical movement of the contact part, and the common relay realizes the connection or disconnection of the controlled circuit by the conduction or non-conduction of a semiconductor device (such as a silicon controlled rectifier and a triode). After the contact of the electromagnetic relay is disconnected, the output end has no leakage current, and the electromagnetic relay can be overloaded properly. In this embodiment, the isolation requirement of the opening circuit 420 for the port is higher, so that an electromagnetic relay with a stricter requirement is selected, and the common relay is selected for the second closing circuit 410 to reduce the cost.
Referring to fig. 4, in an embodiment, the apparatus further includes a display control terminal 900, and the display control terminal 900 is communicatively connected to the control module 600. The display control terminal 900 is used for displaying each parameter received and processed by the control module 600, so that the worker can monitor and control the work of the control module 600 in real time.
Referring to fig. 5, an embodiment of the present application provides a GIS substation system 20, including: the GIS interlocking device 10, the primary appliance 100, and the secondary appliance 200 as described above.
The beneficial effects of the GIS interlocking device 10 are described in detail in the above embodiments, and will not be described herein. The primary appliance 100 is connected to the opening module 300. The secondary device 200 is electrically connected to the closing circuit 410 or the opening circuit 420, respectively.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A GIS interlocking device is applied to a GIS transformer substation, which comprises primary equipment (100) and secondary equipment (200), and is characterized in that the GIS interlocking device (10) comprises:
the switching-in module (300) is connected with the primary equipment (100) and is used for collecting the switching value of the primary equipment (100);
the output end of the closing loop (410) is electrically connected with the secondary equipment (200), and the closing loop (410) is used for controlling the secondary equipment (200) to be closed;
the output end of the brake separating loop (420) is connected with the secondary equipment (200), and the brake separating loop (420) is used for controlling the brake separating of the secondary equipment (200);
the output end of the opening module (500) is respectively in signal connection with the input end of the closing loop (410) and the input end of the opening loop (420); the opening module (500) is used for controlling the switching-on loop (410) or the switching-off loop (420) to work in an alternative mode;
the control module (600) is respectively in communication connection with the output end of the switching-in module (200) and the input end of the switching-out module (500), and is used for sending a switching-on signal to the switching-out module (500) to control the switching-on loop (410) to work if the switching value meets a first preset condition; and if the switching value meets a second preset condition, a brake separating signal is sent to the switching-out module (500) to control the brake separating loop (420) to work.
2. The GIS interlock of claim 1, further comprising:
the input end of the position contact point acquisition module (710) is in signal connection with the primary equipment (100), and the output end of the position contact point acquisition module (710) is in communication connection with the control module (600); the position contact acquisition module (710) is used for acquiring position contacts of the primary device (100).
3. The GIS interlock of claim 2, further comprising:
the input end of the temperature acquisition module (720) is connected with the primary equipment (100), and the output end of the temperature acquisition module (720) is in communication connection with the control module (600).
4. The GIS interlocking device of claim 3, further comprising:
the input end of the conversion module (800) is respectively connected with the opening module (300), the position contact collection module (710) and the temperature collection module (720) in a signal mode, the output end of the conversion module (800) is in communication connection with the control module (600), and the conversion module (800) is used for respectively converting the opening amount, the position contact of the primary equipment (100) and the temperature of the primary equipment (100) into digital signals and transmitting the digital signals to the control module (600).
5. The GIS interlocking device of claim 4, further comprising:
the alarm module (730) is in communication connection with the control module (600), and the control module (600) is used for outputting an alarm signal when the temperature of the primary equipment (100) exceeds a preset threshold value.
6. The GIS linkage as claimed in claim 1, wherein the access module (300) comprises a plurality of acquisition ports for connecting different primary devices (100).
7. The GIS interlock of claim 1 wherein the closing circuit (410) includes a plurality of electromagnetic relays connected in parallel.
8. The GIS interlock of claim 7 wherein the open circuit (420) includes a plurality of relays connected in parallel.
9. The GIS interlock of claim 7, further comprising:
and the display control terminal (900) is in communication connection with the control module (600).
10. A GIS substation system, comprising:
the GIS interlock (10) of any of claims 1-9;
the primary equipment (100) is connected with the opening module (300);
the secondary device (200) is electrically connected with the closing loop (410) or the opening loop (420) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357708.1A CN111048336A (en) | 2019-12-25 | 2019-12-25 | GIS interlocking device and transformer substation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357708.1A CN111048336A (en) | 2019-12-25 | 2019-12-25 | GIS interlocking device and transformer substation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111048336A true CN111048336A (en) | 2020-04-21 |
Family
ID=70239593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911357708.1A Pending CN111048336A (en) | 2019-12-25 | 2019-12-25 | GIS interlocking device and transformer substation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111048336A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201541058U (en) * | 2009-06-09 | 2010-08-04 | 叶宏 | Intelligent misoperation prevention system of substation primary equipment |
| CN201893613U (en) * | 2010-11-30 | 2011-07-06 | 山东泰开自动化有限公司 | Gas Insulated Switchgear (GIS) intelligent control device |
| US20120006665A1 (en) * | 2010-07-09 | 2012-01-12 | Abb Technology Ag | Gas-insulated switchgear assembly |
| CN103580282A (en) * | 2013-10-24 | 2014-02-12 | 深圳供电局有限公司 | Primary equipment intelligent interface device in substation |
| CN207818418U (en) * | 2017-11-16 | 2018-09-04 | 广东电网有限责任公司东莞供电局 | A kind of GIS driving gear of isolating switch error-proof device |
| CN110277271A (en) * | 2019-06-28 | 2019-09-24 | 国网河南省电力公司经济技术研究院 | A kind of intelligent substation tri-station isolating switch and its control loop |
-
2019
- 2019-12-25 CN CN201911357708.1A patent/CN111048336A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201541058U (en) * | 2009-06-09 | 2010-08-04 | 叶宏 | Intelligent misoperation prevention system of substation primary equipment |
| US20120006665A1 (en) * | 2010-07-09 | 2012-01-12 | Abb Technology Ag | Gas-insulated switchgear assembly |
| CN201893613U (en) * | 2010-11-30 | 2011-07-06 | 山东泰开自动化有限公司 | Gas Insulated Switchgear (GIS) intelligent control device |
| CN103580282A (en) * | 2013-10-24 | 2014-02-12 | 深圳供电局有限公司 | Primary equipment intelligent interface device in substation |
| CN207818418U (en) * | 2017-11-16 | 2018-09-04 | 广东电网有限责任公司东莞供电局 | A kind of GIS driving gear of isolating switch error-proof device |
| CN110277271A (en) * | 2019-06-28 | 2019-09-24 | 国网河南省电力公司经济技术研究院 | A kind of intelligent substation tri-station isolating switch and its control loop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9941739B2 (en) | Process bus associated protective control system, merging unit, and calculation device | |
| KR101476234B1 (en) | Diagnostic system for substation network based on iec 61850 standard | |
| CN101777793A (en) | Intelligent measurement and control device and application method | |
| CN208984136U (en) | Substation parameters acquisition device and system | |
| WO2020192220A1 (en) | Gis driven by only motors | |
| CN110988532A (en) | Protection logic test system of distribution automation terminal | |
| CN110988524B (en) | Automatic function test device of full-automatic recloser formula feeder | |
| CN112713586A (en) | Low-voltage intelligent power distribution self-healing and power supply switching control system | |
| CN103346617A (en) | Error logical judgment prevention system and judgment method considering multiple constraint conditions | |
| CN113391145A (en) | Test system of distribution automation feeder terminal | |
| CN111048336A (en) | GIS interlocking device and transformer substation system | |
| CN204886396U (en) | Haul oneself willingly into runback control system | |
| CN106787204A (en) | A kind of intelligent terminal for being applied to current conversion station | |
| CN201860172U (en) | Automatic looped network type distribution network based on reclosers | |
| CN211239449U (en) | Intelligent comprehensive protection measurement and control device | |
| CN207719792U (en) | A kind of overvoltage/undervoltage protective device for electric system | |
| CN208443924U (en) | A kind of pair of line loss realizes the circuit breaker system of management through quantification | |
| CN213243363U (en) | Ring main unit secondary chamber, ring main unit and ring main unit system | |
| CN201789268U (en) | Dividing circuit breaker equipment | |
| CN212542315U (en) | Polymorphic remote monitoring circuit breaker | |
| CN110231562A (en) | A kind of breaker operating characteristic experimental provision and method | |
| CN210954668U (en) | Microcomputer PT protection measuring and controlling device | |
| CN210640732U (en) | Intelligent sensing platform applied to low-voltage distribution network | |
| CN113114082B (en) | Control device of energy storage motor and method and system thereof | |
| CN110470938B (en) | Online detection method for substation/distribution automation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
|
| RJ01 | Rejection of invention patent application after publication |