CN110739773A - transformer substation knob type protection pressing plate online management and control system - Google Patents
transformer substation knob type protection pressing plate online management and control system Download PDFInfo
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- CN110739773A CN110739773A CN201911098138.9A CN201911098138A CN110739773A CN 110739773 A CN110739773 A CN 110739773A CN 201911098138 A CN201911098138 A CN 201911098138A CN 110739773 A CN110739773 A CN 110739773A
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- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention relates to the technical field of substation automation, in particular to an kinds of online control systems for knob-type protection pressing plates of a substation, wherein the substation comprises a plurality of knob-type protection pressing plates, and is characterized in that a mounting hole is formed in the center of each knob-type protection pressing plate, each online control system comprises a position signal knob fixedly mounted in each mounting hole, each position signal knob is respectively connected to a measurement and control device in a gathering mode through a corresponding signal line, the measurement and control device is in communication connection with a telemechanical device, the telemechanical device is in communication connection with a remote monitoring server, the measurement and control device respectively collects switching signals of all knob-type protection pressing plates and carries out operation processing on all collected signals through a signal system , and the telemechanical device uploads signals processed through the measurement and control device to the remote monitoring server, so that the inspection workload of operation and maintenance personnel is reduced, the switching accuracy of the protection pressing plates is improved, and accordingly the loss of the substation is reduced.
Description
Technical Field
The invention relates to the technical field of substation automation, in particular to an transformer substation knob type protection pressing plate online control system.
Background
The protection function pressing plate realizes certain functions of the protection device, the outlet pressing plate determines the result of protection action, and the protection function pressing plate can be divided into a trip outlet pressing plate and a start pressing plate according to the difference of the positions of secondary loops of the protection device when the pressing plate is connected, when the operation mode of the power system is changed, the protection function pressing plate is usually switched on or off, if the protection function pressing plate is switched on or off by mistake, the relay protection function of the protection device can be directly influenced, and the protection device can be refused to operate or malfunction seriously, so that the power equipment is burnt or the power failure in a large range is caused, and the safe and stable operation of a power grid is influenced.
Meanwhile, with the continuous development of the scale of the power grid, the number of the transformer substations is increased year by year, equipment of the transformer substations is also increased continuously, the number of the protection pressing plates is increased in multiples, the inspection workload of the pressing plates is increased more and more, the contradiction between the workload and the bearing capacity of the transportation and inspection team is increasingly prominent, and the problem is urgently solved.
Disclosure of Invention
In order to solve the problems, the transformer substation knob type protection pressing plate online control system achieves the functions of online monitoring and early warning of the pressing plate state according to the operation mode and intelligent online control without blind spots of the relay protection pressing plate, and meets the development requirements of a power grid and a transformer substation.
In order to achieve the purpose, the invention adopts the following technical scheme:
kinds of online transformer substation knob type protection pressing plate control systems, the transformer substation comprises a plurality of knob type protection pressing plates, a mounting hole is formed in the center of each knob type protection pressing plate, each online control system comprises a position signal knob fixedly mounted in each mounting hole, each position signal knob is connected to a measurement and control device through a corresponding signal line in a gathering mode, the measurement and control device is in communication connection with a telemechanical device, the telemechanical device is in communication connection with a remote monitoring server, the measurement and control device collects switching signals of all knob type protection pressing plates respectively and conducts operation processing on all collected signal systems , and the telemechanical device uploads signals processed by the measurement and control device to the remote monitoring server.
, the measurement and control device comprises a signal processor and a plurality of signal collectors, the signal processor is correspondingly and communicatively connected with the plurality of signal collectors, each signal collector is correspondingly connected with a plurality of position signal knobs, each position signal knob is installed on a corresponding knob type protection pressing plate, the position signal knobs rotate along with the rotation of the knob type protection pressing plates, each signal collector respectively collects the on-off signals of the corresponding knob type protection pressing plates, and a signal system collected by the signal collectors is transmitted to the signal processor for operation processing.
, the signal lines include a positive signal line and a negative signal line, the positive terminal of each position signal knob is connected to the positive signal line, and the negative terminal is connected to the negative signal line.
The method has the advantages that the number of times of patrol vehicle-out of operation and maintenance personnel is greatly reduced, the patrol workload is reduced, the switching-in and switching-out accuracy of the protection hard pressing plate is greatly improved, the operation of missing switching and mistaken switching of the protection hard pressing plate is effectively reduced, the reliability of main network equipment is improved, the failure rate of the equipment is reduced by steps, the safety and stability of regional power supply are guaranteed, the loss of a transformer substation is reduced, and the economic benefit is greater.
The system is suitable for transformer substations under various voltage levels, the conventional station and the intelligent station can also be installed and used, and the higher the voltage level is, the more obvious the effect is, and the higher the yield is.
Drawings
FIG. 1 is a schematic system block diagram of an online control system for a knob-type protective pressing plate;
FIG. 2 is a block diagram of another system for an in-line management system for knob-type protective press plates;
Detailed Description
The invention is further described in detail in connection with the figures and the detailed description.
Fig. 1 shows an transformer substation knob-type protection pressing plate online control system, wherein a transformer substation comprises a plurality of knob-type protection pressing plates, a mounting hole is formed in the center of each knob-type protection pressing plate, the online control system comprises position signal knobs fixedly mounted in the mounting holes, each position signal knob is respectively connected to a measurement and control device through a corresponding signal line in a gathering manner, the measurement and control device is connected with a telemechanical device in a wired communication manner, the telemechanical device is connected with a remote monitoring server in a wireless communication manner, the measurement and control device respectively collects switching signals of all knob-type protection pressing plates and carries out operation processing on all collected signal systems , and the telemechanical device uploads signals processed by the measurement and control device to the remote monitoring server in a wireless communication manner.
The transformer substation comprises a plurality of knob type protection pressing plates, a signal knob is additionally arranged in the center of each knob type protection pressing plate, and positive electricity of a required signal is connected to positive electricity of a position signal knob, and negative electricity of the required signal is connected to negative electricity of the position signal knob; specifically, a mounting hole is formed in the center of each knob type protection pressing plate, a position signal knob is mounted in the mounting hole, the positive end of each position signal knob is connected to the positive end of a required signal, and the positive end of each position signal knob is connected to the negative end of the required signal; namely, the positive terminal of the position signal knob is connected with the positive signal line, and the positive terminal of the position signal knob is connected with the negative signal line.
When the knob type protection pressing plate is thrown and retreated, the protection connecting piece needs to be rotated, so that the structure of the hard pressing plate is protected by , if information of the structural change of the protection hard pressing plate is acquired, the throwing and retreating states of the hard pressing plate can be monitored, when the operation mode of an electric power system is changed, each pressing plate of each transformer substation can be ensured to be correctly thrown and retreated under each operation mode, the throwing and retreating are greatly reduced or missed or avoided, the relay protection function of the protection device is ensured to be realized, the power equipment is prevented from being burnt or the power failure accident in a large range due to the refusing or misoperation of the protection device is avoided, and the safe and stable operation of a power grid is ensured.
Meanwhile, due to the fact that the number of the transformer substations is too large, equipment of the transformer substations is increased continuously, the number of the protection pressing plates is increased in multiples, the inspection workload of workers can be greatly reduced by automatically detecting the protection pressing plates, and labor cost is reduced.
The measurement and control device in the embodiment can be an original measurement and control device of a transformer substation, so that the cost can be reduced, the measurement and control device comprises a signal processor and a plurality of signal collectors, and can be replaced by corresponding signal processors and signal collectors, the signal processor is correspondingly and communicatively connected with the plurality of signal collectors, each signal collector is correspondingly connected with a plurality of position signal knobs, each position signal knob is installed on a corresponding knob type protection pressing plate, the position signal knobs rotate along with the rotation of the knob type protection pressing plates, each signal collector respectively collects switching-on and switching-off signals of the corresponding knob type protection pressing plates, and a signal system collected by the signal collectors is transmitted to the signal processor for operation processing.
In conclusion, the method has the obvious advantages that the number of times of patrol and departure of operation and maintenance personnel is greatly reduced, patrol workload is reduced, the switching and withdrawing accuracy of the protection hard pressing plate is greatly improved, operation of missing switching and mistaken switching of the protection hard pressing plate is effectively reduced, reliability of main network equipment is improved, the failure rate of the equipment is reduced by steps, safety and stability of regional power supply are guaranteed, loss of a transformer substation is reduced, and great economic benefits are achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention.
Claims (3)
- The on-line control system for the knob type protection pressing plates of the transformer substations is characterized in that a mounting hole is formed in the center of each knob type protection pressing plate, the on-line control system comprises position signal knobs fixedly mounted in the mounting holes, each position signal knob is connected to a measurement and control device in a gathering mode through a corresponding signal line, the measurement and control device is in communication connection with a telemechanical device, the telemechanical device is in communication connection with a remote monitoring server, the measurement and control device collects switching signals of all the knob type protection pressing plates respectively and conducts operation processing on all collected signal systems , and the telemechanical device uploads the signals processed by the measurement and control device to the remote monitoring server.
- 2. The on-line management and control system for the knob-type protection pressing plates of the transformer substation of claim 1, wherein the measurement and control device comprises a signal processor and a plurality of signal collectors, the signal processor is correspondingly and communicatively connected with the plurality of signal collectors, each signal collector is correspondingly connected with a plurality of position signal knobs, each position signal knob is installed on the corresponding knob-type protection pressing plate, the position signal knobs rotate along with the rotation of the knob-type protection pressing plates, each signal collector respectively collects the on-off signals of the corresponding knob-type protection pressing plates, and a signal system collected by the signal collectors is transmitted to the signal processor for operation processing.
- 3. The substation knob-type protection pressing plate online management and control system according to claim 1, wherein the signal lines comprise a positive signal line and a negative signal line, and a positive terminal of each position signal knob is connected with the positive signal line, and a negative terminal of each position signal knob is connected with the negative signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098138.9A CN110739773A (en) | 2019-11-12 | 2019-11-12 | transformer substation knob type protection pressing plate online management and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098138.9A CN110739773A (en) | 2019-11-12 | 2019-11-12 | transformer substation knob type protection pressing plate online management and control system |
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| Publication Number | Publication Date |
|---|---|
| CN110739773A true CN110739773A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911098138.9A Pending CN110739773A (en) | 2019-11-12 | 2019-11-12 | transformer substation knob type protection pressing plate online management and control system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004064974A (en) * | 2002-07-31 | 2004-02-26 | Chugoku Electric Power Co Inc:The | Total protection method and total protective device of power system unit |
| CN102005815A (en) * | 2009-09-01 | 2011-04-06 | 上海艾木恩投资发展有限公司 | Intelligent detection system and detection method of press plate position |
| CN104964636A (en) * | 2015-06-19 | 2015-10-07 | 国家电网公司 | Power protection device outlet pressing plate commissioning and ceasing state real-time detection method and system |
-
2019
- 2019-11-12 CN CN201911098138.9A patent/CN110739773A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004064974A (en) * | 2002-07-31 | 2004-02-26 | Chugoku Electric Power Co Inc:The | Total protection method and total protective device of power system unit |
| CN102005815A (en) * | 2009-09-01 | 2011-04-06 | 上海艾木恩投资发展有限公司 | Intelligent detection system and detection method of press plate position |
| CN104964636A (en) * | 2015-06-19 | 2015-10-07 | 国家电网公司 | Power protection device outlet pressing plate commissioning and ceasing state real-time detection method and system |
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