CN201130234Y - Circuit structure of voltage monitoring plate of DC transmission thyristor flow-exchanging valve - Google Patents
Circuit structure of voltage monitoring plate of DC transmission thyristor flow-exchanging valve Download PDFInfo
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- CN201130234Y CN201130234Y CNU2007203113420U CN200720311342U CN201130234Y CN 201130234 Y CN201130234 Y CN 201130234Y CN U2007203113420 U CNU2007203113420 U CN U2007203113420U CN 200720311342 U CN200720311342 U CN 200720311342U CN 201130234 Y CN201130234 Y CN 201130234Y
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- thyristor
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- direct current
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Abstract
The utility model discloses a voltage-monitoring board circuit structure used for a direct-current direct light triggered thyristor valve, comprising a damping resistor R, a damping capacitor C, a direct current pressure equalizing unit and a storage capacitor. The voltage-monitoring board circuit structure is characterized in that: the damping resistor R and the damping capacitor C are connected at the two ends of the direct light triggered thyristor in series, and the series point is connected with the storage capacitor by an AC voltage divider; one end of the direct current pressure equalizing unit is connected with the anode of the direct light triggered thyristor, and the other end is connected with the cathode of the direct light triggered thyristor respectively via a forward threshold voltage detecting unit, a high voltage detecting unit and a negative voltage detecting unit; the output ends of the forward threshold voltage detecting unit and the negative voltage detecting unit are respectively connected with two same optical pulse generators, and the output of the two optical pulse generators is connected with a light transmitter, and the output optical signal is connected with a control cabinet VBE of the value via an optical cable. The voltage-monitoring board circuit structure has the advantages of simple circuit and high cost performance.
Description
Technical field
The utility model relates to a kind of voltage monitoring plate circuit structure that is used for the direct light-operated thyristor converter valve of direct current transportation.
Background technology
Thyristor voltage monitoring board (TVM) is used for the direct light-operated thyristor converter valve of direct current transportation, belongs to the part of converter valve control and monitoring system.TVM bears the direct current of each thyristor on the one hand and all presses in the thyristor converter valve, monitor the voltage at thyristor two ends on the other hand.Existing thyristor voltage monitoring board TVM complex circuit, used electron device enormous amount (reaching 380 kinds), margin of safety is not enough, is easy to damage.
Summary of the invention
The utility model provides a kind of cost performance the high voltage monitoring plate circuit structure that is used for the direct light-operated thyristor converter valve of direct current transportation for simplifying TVM printed line line structure.
For reaching above purpose, the utility model takes following technical scheme to be achieved:
A kind of voltage monitoring plate circuit structure of direct current transportation thyristor converter valve, comprise a direct current pressure unit that is connected direct photo thyristor positive terminal, be connected a storage capacitor of direct photo thyristor negative pole end, being provided with damping resistance R at described thyristor two ends connects with damping capacitor C, this series connection point connects described storage capacitor by an AC voltage divider, it is characterized in that, one end of described direct current pressure unit connects the positive pole of direct photo thyristor, the other end of direct current pressure unit is respectively by the forward threshold voltage probe unit, high pressure probe unit and negative voltage probe unit are connected to the negative pole end of direct photo thyristor, the output terminal of described forward threshold voltage probe unit and negative voltage probe unit is connected two identical optical pulse generators respectively, the output of these two optical pulse generators connects an optical transmitting set, and the light signal output of this optical transmitting set connects the switch board VBE of converter valve by an optical cable.
In the such scheme, described optical transmitting set is a red light-emitting diode; Described optical cable is a plastic optical fiber.
The utility model has the advantages that optical transmission system has adopted novel visible red ballistic device and optical fiber to isolate transmission technology, make it performance raising, margin of safety raising; Electron device is reduced to 240 kinds simultaneously, and price reduces.
Description of drawings
Fig. 1 is a circuit structure block diagram of the present utility model.
Among the figure: 1, direct current pressure unit; 2, AC voltage divider; 3, storage capacitor; 4, forward threshold voltage probe unit; 5, high pressure probe unit (BOD action); 6, negative voltage probe unit; 7. optical pulse generator; 8, optical transmitting set; 9, optical cable; Th: direct photo thyristor; C: damping capacitor; R: damping resistance; VBE, converter valve switch board.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
As shown in Figure 1, a kind of voltage monitoring plate circuit structure that is used for direct current transportation thyristor converter valve comprises a direct current pressure unit 1 and a storage capacitor 3; Be connected with damping resistance R and damping capacitor C at direct photo thyristor th two ends; Damping resistance R connects with damping capacitor C, and this series connection point connects storage capacitor 3 by an AC voltage divider 2; One end of direct current pressure unit 1 connects the positive pole of direct photo thyristor th, and the other end of direct current pressure unit 1 is connected to the negative pole of direct photo thyristor th respectively by forward threshold voltage probe unit 4, high pressure probe unit 5 and negative voltage probe unit 6; The output terminal of forward threshold voltage probe unit 4 and negative voltage probe unit 6 is connected two identical optical pulse generators 7 respectively, the output of these two optical pulse generators 7 connects an optical transmitting set 8, optical transmitting set 8 is the visible red light emitting diode HFBR-1537 that U.S. Agilent company produces, and the light signal output of this light emitting diode directly is sent to converter valve bottom switch board VBE by an optical cable 9 of being done by plastic optical fiber.Be located at the triggering of the repayment light pulse control converter valve that the single-chip microcomputer in the VBE cabinet sends here according to the TVM plate, simultaneously the running status of thyristor on the on-line monitoring valve.
Direct current pressure unit 1 is made of a plurality of high-tension resistives among Fig. 1, and its major function is direct current all press and the take a sample voltage at thyristor two ends.AC voltage divider 2 is got lower AC voltage and is converted to direct-current working volts for TVM from thyristor th two ends.Storage capacitor 3 is as the filtering storage capacitor of direct-current working volts.When forward threshold voltage probe unit 4 reaches 50-70V in thyristor th both end voltage, and storage capacitor 3 voltages enough high (about 80-100V), be enough to form the forward voltage threshold and repay pulse (being designed to 6-8 μ S).The principle of work of high pressure probe unit 5 (BOD action) is similar with forward threshold probe unit 4, the voltage at thyristor th two ends is during greater than 6500-7500V, and storage capacitor 3 voltages are high (being about 80-100V) enough, is enough to form BOD action repayment pulse (being designed to 12-15 μ S).The principle of work of negative voltage probe unit 6 is similar with forward threshold probe unit 4.The voltage at thyristor th two ends is lower than-during 150V--170V, and storage capacitor voltage is enough high (is about-80--100V), be enough to form negative voltage and set up repayment pulse (being designed to 2-4 μ S).Optical pulse generator 7 is made up of photoelectric switching circuit, is about to current signal and is converted to red light pulse, and by optical transmitting set 8 outputs, light impulse length is respectively 2-4 μ S, 6-8 μ S, and 12-15 μ S, the luminous power of output is greater than 200 μ W.
Claims (3)
1. the voltage monitoring plate circuit structure of a direct current transportation thyristor converter valve, comprise a direct current pressure unit that is connected direct photo thyristor positive terminal, be connected a storage capacitor of direct photo thyristor negative pole end, being provided with damping resistance R at described thyristor two ends connects with damping capacitor C, this series connection point connects described storage capacitor by an AC voltage divider, it is characterized in that, one end of described direct current pressure unit connects the positive pole of direct photo thyristor, the other end of direct current pressure unit is respectively by the forward threshold voltage probe unit, high pressure probe unit and negative voltage probe unit are connected to the negative pole end of direct photo thyristor, the output terminal of described forward threshold voltage probe unit and negative voltage probe unit is connected two identical optical pulse generators respectively, the output of these two optical pulse generators connects an optical transmitting set, and the light signal output of this optical transmitting set connects the switch board VBE of converter valve by an optical cable.
2. the voltage monitoring plate circuit structure of direct current transportation thyristor converter valve according to claim 1 is characterized in that described optical transmitting set is a red light-emitting diode.
3. the voltage monitoring plate circuit structure of direct current transportation thyristor converter valve according to claim 1 is characterized in that described optical cable is a plastic optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203113420U CN201130234Y (en) | 2007-12-21 | 2007-12-21 | Circuit structure of voltage monitoring plate of DC transmission thyristor flow-exchanging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203113420U CN201130234Y (en) | 2007-12-21 | 2007-12-21 | Circuit structure of voltage monitoring plate of DC transmission thyristor flow-exchanging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130234Y true CN201130234Y (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203113420U Expired - Lifetime CN201130234Y (en) | 2007-12-21 | 2007-12-21 | Circuit structure of voltage monitoring plate of DC transmission thyristor flow-exchanging valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN201130234Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907653A (en) * | 2010-06-25 | 2010-12-08 | 中国电力科学研究院 | Signal acquisition and transmission device for high-voltage DC transmission converter valve |
| WO2011072432A1 (en) * | 2009-12-14 | 2011-06-23 | 中国电力科学研究院 | Thyristor converter valve module |
| CN101710159B (en) * | 2009-12-04 | 2011-12-28 | 中国电力科学研究院 | Novel direct-current converter valve test unit |
| CN101726640B (en) * | 2009-12-23 | 2012-09-05 | 中国电力科学研究院 | Control and protection system of converter valve operating test device |
| CN103713249A (en) * | 2013-12-27 | 2014-04-09 | 国家电网公司 | On-line identification method of operation test state parameters of converter valve |
| CN104808070A (en) * | 2015-04-23 | 2015-07-29 | 许继集团有限公司 | Converter valve thyristor level damping loop parameter testing device and method |
| CN103713249B (en) * | 2013-12-27 | 2016-11-30 | 国家电网公司 | A kind of ONLINE RECOGNITION method of converter valve operating test state parameter |
| CN107390006A (en) * | 2017-06-30 | 2017-11-24 | 中国西电电气股份有限公司 | A kind of light-operated converter valve thyristor voltage monitoring unit |
| CN107664719A (en) * | 2016-07-28 | 2018-02-06 | 全球能源互联网研究院 | A kind of D.C. high voltage transmission damping capacitor state monitoring method |
| CN107765159A (en) * | 2016-08-23 | 2018-03-06 | 株洲中车时代电气股份有限公司 | IGCT on-Line Monitor Device |
| CN108896113A (en) * | 2018-08-06 | 2018-11-27 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of multiple dimensioned voltage of converter valve photo thyristor and temperature monitoring unit |
| WO2019011113A1 (en) * | 2017-07-10 | 2019-01-17 | 南京南瑞继保电气有限公司 | Thyristor valve test system based on cooperation of logical functions of software |
| CN109239587A (en) * | 2017-07-10 | 2019-01-18 | 南京南瑞继保电气有限公司 | A kind of thyristor valve test macro based on transparent forwarding |
| CN109444620A (en) * | 2019-01-02 | 2019-03-08 | 国家电网有限公司 | DC converter valve intelligence partial pressure compensation detection system |
| CN109613418A (en) * | 2019-01-02 | 2019-04-12 | 西安西电电力系统有限公司 | Thyristor valves high potential board test device and test method |
-
2007
- 2007-12-21 CN CNU2007203113420U patent/CN201130234Y/en not_active Expired - Lifetime
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710159B (en) * | 2009-12-04 | 2011-12-28 | 中国电力科学研究院 | Novel direct-current converter valve test unit |
| WO2011072432A1 (en) * | 2009-12-14 | 2011-06-23 | 中国电力科学研究院 | Thyristor converter valve module |
| CN101719719B (en) * | 2009-12-14 | 2013-02-06 | 中国电力科学研究院 | Novel thyristor converter valve module |
| CN101726640B (en) * | 2009-12-23 | 2012-09-05 | 中国电力科学研究院 | Control and protection system of converter valve operating test device |
| CN101907653A (en) * | 2010-06-25 | 2010-12-08 | 中国电力科学研究院 | Signal acquisition and transmission device for high-voltage DC transmission converter valve |
| CN101907653B (en) * | 2010-06-25 | 2014-02-19 | 中国电力科学研究院 | Signal acquisition and transmission device for high-voltage DC transmission converter valve |
| CN103713249A (en) * | 2013-12-27 | 2014-04-09 | 国家电网公司 | On-line identification method of operation test state parameters of converter valve |
| CN103713249B (en) * | 2013-12-27 | 2016-11-30 | 国家电网公司 | A kind of ONLINE RECOGNITION method of converter valve operating test state parameter |
| CN104808070A (en) * | 2015-04-23 | 2015-07-29 | 许继集团有限公司 | Converter valve thyristor level damping loop parameter testing device and method |
| CN104808070B (en) * | 2015-04-23 | 2018-01-23 | 许继集团有限公司 | A kind of converter valve thyristor level damping circuit parameter test device and method |
| CN107664719B (en) * | 2016-07-28 | 2021-01-01 | 全球能源互联网研究院 | Method for monitoring state of high-voltage direct-current transmission damping capacitor |
| CN107664719A (en) * | 2016-07-28 | 2018-02-06 | 全球能源互联网研究院 | A kind of D.C. high voltage transmission damping capacitor state monitoring method |
| CN107765159A (en) * | 2016-08-23 | 2018-03-06 | 株洲中车时代电气股份有限公司 | IGCT on-Line Monitor Device |
| CN107765159B (en) * | 2016-08-23 | 2019-08-23 | 株洲中车时代电气股份有限公司 | Thyristor on-Line Monitor Device |
| CN107390006A (en) * | 2017-06-30 | 2017-11-24 | 中国西电电气股份有限公司 | A kind of light-operated converter valve thyristor voltage monitoring unit |
| WO2019011113A1 (en) * | 2017-07-10 | 2019-01-17 | 南京南瑞继保电气有限公司 | Thyristor valve test system based on cooperation of logical functions of software |
| CN109239587A (en) * | 2017-07-10 | 2019-01-18 | 南京南瑞继保电气有限公司 | A kind of thyristor valve test macro based on transparent forwarding |
| KR20190099086A (en) * | 2017-07-10 | 2019-08-23 | 엔알 일렉트릭 컴퍼니 리미티드 | Thyristor valve test system based on software logical function collaboration |
| KR102078519B1 (en) | 2017-07-10 | 2020-02-17 | 엔알 일렉트릭 컴퍼니 리미티드 | Thyristor valve test system based on software logical function collaboration |
| RU2730388C1 (en) * | 2017-07-10 | 2020-08-21 | ЭнАр ЭЛЕКТРИК КО., ЛТД. | Thyristor valve testing system based on interaction of logic functions of software |
| US11009542B2 (en) | 2017-07-10 | 2021-05-18 | Nr Electric Co., Ltd | Thyristor valve test system based on cooperation of logical functions of software |
| CN108896113A (en) * | 2018-08-06 | 2018-11-27 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of multiple dimensioned voltage of converter valve photo thyristor and temperature monitoring unit |
| CN109444620A (en) * | 2019-01-02 | 2019-03-08 | 国家电网有限公司 | DC converter valve intelligence partial pressure compensation detection system |
| CN109613418A (en) * | 2019-01-02 | 2019-04-12 | 西安西电电力系统有限公司 | Thyristor valves high potential board test device and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WEST CHINA ELECTRIC POWER CO. Free format text: FORMER OWNER: XI'AN ELECTRIC MANUFACTURING CORP. Effective date: 20081024 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081024 Address after: Xi'an City West High Tang Hing Road No. 7, zip code: 710075 Patentee after: China XD Electronic Corporation Address before: Shaanxi province Xi'an Fengdeng road 29, zip code: 710077 Patentee before: Xi'an Electric Manufacturing Corp. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Xidian electrical material Co., Ltd. Assignor: Xian Electric Manufacturing Corp. Contract fulfillment period: 2008.12.22 to 2013.12.21 Contract record no.: 2009610000107 Denomination of utility model: Circuit structure of voltage monitoring plate of DC transmission thyristor flow-exchanging valve Granted publication date: 20081008 License type: Exclusive license Record date: 20091202 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.22 TO 2013.12.21; CHANGE OF CONTRACT Name of requester: XI N XD ELECTRICAL MATERIAL CO., LTD. Effective date: 20091202 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |
|
| CX01 | Expiry of patent term |