CN111987896A - Converter valve return inspection framework for realizing online replacement of VBE light receiving plate - Google Patents
Converter valve return inspection framework for realizing online replacement of VBE light receiving plate Download PDFInfo
- Publication number
- CN111987896A CN111987896A CN202010680956.6A CN202010680956A CN111987896A CN 111987896 A CN111987896 A CN 111987896A CN 202010680956 A CN202010680956 A CN 202010680956A CN 111987896 A CN111987896 A CN 111987896A
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- China
- Prior art keywords
- vbe
- light receiving
- receiving plate
- converter valve
- framework
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/06—Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
- H02M1/092—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices the control signals being transmitted optically
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
- Rectifiers (AREA)
Abstract
The invention relates to a converter valve return inspection framework for realizing online replacement of a VBE light receiving plate, which comprises a thyristor electronic plate in signal connection with a converter valve, and the thyristor electronic plate comprises a VBE main system and a VBE standby system, wherein the VBE main system is provided with a first light receiving plate, the VBE standby system is provided with a second light receiving plate, both the first light receiving plate and the second light receiving plate are connected with an optical splitter, and the optical splitter is connected with the thyristor electronic plate. By adopting the technical scheme, the risk that the direct current transmission system is forced to stop running is reduced, and the running reliability of the converter valve is improved; meanwhile, the on-line replacement of the light receiving plate during the failure is realized.
Description
Technical Field
The invention relates to the technical field of thyristors of converter valves of power systems, in particular to a converter valve return inspection framework for realizing online replacement of a VBE light receiving plate.
Background
In the existing (special) high-voltage direct-current system power transmission system, a thyristor Electronic board sends a return detection signal to a light receiving board of Valve Base Electronic equipment (VBE) through an optical fiber, and the light receiving board sends the return detection signal to the VBE system.
The problem of the framework is that two sets of redundant VBE systems share one light receiving plate, whether the return detection signals of the valves are normal or not needs to be monitored in real time when the converter valves run, and when the light receiving plate fails, the converter valves are forced to stop running due to the fact that the return detection signals cannot be received.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a converter valve return inspection framework for realizing online replacement of a VBE light receiving plate, which has the advantage of realizing online replacement when the light receiving plate fails and improves the operation reliability of the converter valve.
In order to achieve the purpose, the invention provides the following technical scheme:
a converter valve rechecking framework for realizing online replacement of a VBE light receiving plate comprises a thyristor electronic plate in signal connection with a converter valve, and the thyristor electronic plate comprises a VBE main system and a VBE standby system, wherein the VBE main system is provided with a first light receiving plate, the VBE standby system is provided with a second light receiving plate, the first light receiving plate and the second light receiving plate are both connected with a light splitter, and the light splitter is connected with the thyristor electronic plate.
By adopting the technical scheme, when the first light receiving plate has a fault, the return detection of the converter valve is automatically switched to the VBE standby system for operation, namely, the return detection signal is transmitted to the second light receiving plate through the optical splitter, so that the possibility of the shutdown of the converter valve is reduced, the risk of forced shutdown of a direct-current power transmission system is reduced, and the operation reliability of the converter valve is improved; meanwhile, hardware independence redundancy of the light receiving plate is realized, and online replacement of the light receiving plate in case of failure is realized.
The invention is further configured to: and the screen cabinets of the VBE main system and the VBE standby system are both arranged in a control room or a protection room of the convertor station.
By adopting the technical scheme, the screen cabinets of the VBE main system and the VBE standby system are both arranged in the control room or the protection room of the convertor station, so that the VBE main system and the VBE standby system are not easy to be damaged, and the safety and the reliability of the VBE main system and the VBE standby system are improved.
The invention is further configured to: when the first light receiving plate has a fault, the converter valve return inspection framework is automatically switched from the VBE main system to the VBE standby system.
By adopting the technical scheme, the converter valve return inspection framework is automatically switched from the VBE main system to the VBE standby system, so that the workload of maintenance personnel is reduced, the VBE main system can be switched to the VBE standby system at the first time when the VBE main system fails, and the efficiency of the return inspection framework is improved; meanwhile, online replacement of the light receiving plate during failure is realized.
In conclusion, the invention has the following beneficial effects:
1. when the first light receiving plate has a fault, the converter valve return detection is automatically switched to a VBE standby system for operation, namely, a return detection signal is transmitted to the second light receiving plate through the optical splitter, so that the possibility of stopping the converter valve is reduced, the risk of forced stopping of a direct-current power transmission system is reduced, and the operation reliability of the converter valve is improved; meanwhile, hardware independent redundancy of the light receiving plate is realized, and online replacement of the light receiving plate in case of failure is realized;
2. the VBE main system is automatically switched to the VBE standby system through the converter valve return inspection framework, so that the workload of maintenance personnel is reduced, the VBE main system can be switched to the VBE standby system at the first time when the VBE main system fails, and the efficiency of the return inspection framework is improved; meanwhile, online replacement of the light receiving plate during failure is realized.
Drawings
Fig. 1 is a flowchart of the present embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the invention is a converter valve review framework for realizing online replacement of a VBE light-receiving board, comprising a thyristor electronic board in signal connection with a converter valve, and further comprising a VBE main system and a VBE standby system, wherein the VBE main system is provided with a first light-receiving board, the VBE standby system is provided with a second light-receiving board, both the first light-receiving board and the second light-receiving board are connected with an optical splitter through optical fiber signals, the optical splitter transmits review signals to the first light-receiving board and the second light-receiving board respectively, and the optical splitter and the thyristor electronic board realize signal connection through optical fibers; when the first light receiving plate has a fault, the converter valve return detection framework is automatically switched to a VBE standby system from the VBE main system.
The VBE main system and the VBE standby system are both arranged in a control room or a protection room of the convertor station. The optical splitters are respectively arranged on the screen cabinets of the VBE main system and the VBE standby system.
The working conditions and principles of the embodiment are as follows:
when the first light receiving board has a fault, the return detection framework of the converter valve is automatically switched to the VBE standby system from the VBE main system to work, meanwhile, the optical splitter continues to operate and transmits return detection signals of the thyristor electronic board to the first light receiving board and the second light receiving board respectively, and the second light receiving board transmits the return detection signals to the VBE standby system in an operating state, so that the operation reliability of the converter valve is effectively improved, and the risk that the direct-current power transmission system is forced to stop operation is reduced.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (3)
1. The converter valve rechecking framework for realizing online replacement of the VBE light receiving plate comprises a thyristor electronic plate in signal connection with the converter valve, and is characterized by comprising a VBE main system and a VBE standby system, wherein the VBE main system is provided with a first light receiving plate, the VBE standby system is provided with a second light receiving plate, the first light receiving plate and the second light receiving plate are both connected with a light splitter, and the light splitter is connected with the thyristor electronic plate.
2. The framework of claim 1, wherein the VBE active system and the VBE standby system are installed in a control room or a protection room of a converter station.
3. The framework of claim 1, wherein when the first board fails, the framework is automatically switched from the VBE active system to the VBE standby system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680956.6A CN111987896B (en) | 2020-07-15 | 2020-07-15 | Converter valve return inspection framework for realizing online replacement of VBE light receiving plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680956.6A CN111987896B (en) | 2020-07-15 | 2020-07-15 | Converter valve return inspection framework for realizing online replacement of VBE light receiving plate |
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| CN111987896A true CN111987896A (en) | 2020-11-24 |
| CN111987896B CN111987896B (en) | 2021-12-31 |
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| CN202010680956.6A Active CN111987896B (en) | 2020-07-15 | 2020-07-15 | Converter valve return inspection framework for realizing online replacement of VBE light receiving plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532771A (en) * | 2021-06-10 | 2021-10-22 | 中国南方电网有限责任公司超高压输电公司 | Water leakage detection system for power transmission converter valve and monitoring and fault replacement method |
| CN113783405A (en) * | 2021-08-12 | 2021-12-10 | 许继集团有限公司 | Direct-current transmission converter valve thyristor trigger monitoring system and control method thereof |
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| CN109039443A (en) * | 2018-09-04 | 2018-12-18 | 广东电网有限责任公司 | A kind of spare fibre detection method and device |
| CN109391131A (en) * | 2018-10-12 | 2019-02-26 | 许继集团有限公司 | A kind of submodule of MMC valve by-pass switch driving device |
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2020
- 2020-07-15 CN CN202010680956.6A patent/CN111987896B/en active Active
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| CN101009521A (en) * | 2007-01-11 | 2007-08-01 | 烽火通信科技股份有限公司 | A protection device for the optical fiber line in the passive optical network and its method |
| CN103219798A (en) * | 2013-03-25 | 2013-07-24 | 国网智能电网研究院 | Direct-current transmission converter valve control protection system and control protection method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113532771A (en) * | 2021-06-10 | 2021-10-22 | 中国南方电网有限责任公司超高压输电公司 | Water leakage detection system for power transmission converter valve and monitoring and fault replacement method |
| CN113783405A (en) * | 2021-08-12 | 2021-12-10 | 许继集团有限公司 | Direct-current transmission converter valve thyristor trigger monitoring system and control method thereof |
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| CN111987896B (en) | 2021-12-31 |
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