CN201773160U - System adopting power transmission system converter transformer protecting device for closed loop test - Google Patents
System adopting power transmission system converter transformer protecting device for closed loop test Download PDFInfo
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- CN201773160U CN201773160U CN2010202923827U CN201020292382U CN201773160U CN 201773160 U CN201773160 U CN 201773160U CN 2010202923827 U CN2010202923827 U CN 2010202923827U CN 201020292382 U CN201020292382 U CN 201020292382U CN 201773160 U CN201773160 U CN 201773160U
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Abstract
The utility model discloses a system adopting a power transmission converter transformer protecting device for a closed loop test, which comprises a real-time simulation working station, an RTDS real-time digital simulator, an analog volume output card, a power amplifier, the converter transformer protecting device, a digital volume output card, a digital volume input card and a direct-current power transmission control protecting device. The real-time simulation working station builds a direct-current power transmission system real-time simulation model, the RTDS real-time digital simulator performs real-time computation on the simulation model, the real-time simulation working station is connected with the RTDS real-time digital simulator, the RTDS real-time digital simulator transmits current and voltage signals to the converter transformer protecting device by the aid of the analog volume output card and the power amplifier and transmits converter transformer branch joint gear signals to the converter transformer protecting device by the aid of the digital volume output card, the converter transformer protecting device transmits protection tripping and warning signals to the RTDS real-time digital simulator by the aid of the digital volume input card, and the direct-current control protecting device is connected with the RTDS real-time digital simulator. The system has the advantages of flexible test, capability of conducting various tests, simple operation, convenience and practicality.
Description
Technical field
The utility model is the system that a kind of transmission system converter transformer protector carries out closed test; particularly a kind of two 12 pulsating direct current transmission system converter transformer protectors are carried out the system of real-time digital closed test, belong to the renovation technique that the transmission system converter transformer protector carries out the system of closed test.
Background technology
Converter power transformer is the key equipment that carries out ac-dc conversion in the DC transmission system, and the safe and stable operation of converter power transformer has great importance to reliability and the available rate that improves straight-flow system.The converter power transformer protection is as the protective device of converter power transformer, and its performance how, directly has influence on the safe and stable operation of converter power transformer and even whole straight-flow system.
But, converter transformer protector is also lacked effective measuring means both at home and abroad at present, all there is intrinsic defective in traditional converter power transformer protection check system, such as: for converter power transformer protection dynamic simulation test, it adopts the simulation of scaled down transformer, be difficult to simulate the converter power transformer of different structure and characteristic, and test dumbly, the test type that can carry out is limited; For the test of converter power transformer protection wave record playback, be difficult to find the appropriate signal source, the physical quantity of playback is also limited, and can only carry out the open loop test.
The utility model content
The purpose of this utility model is to consider the problems referred to above and provides a kind of test flexible that the transmission system converter transformer protector that can carry out the polytype test carries out the system of closed test.
The technical solution of the utility model is: transmission system converter transformer protector of the present utility model carries out the system of closed test; include the real-time simulation workstation of setting up the DC transmission system Real-Time Model; the RTDS Real Time Digital Simulator that realistic model is calculated in real time; analog quantity output integrated circuit board; power amplifier; converter transformer protector; digital quantity output integrated circuit board; digital quantity input integrated circuit board; direct current transportation control protective device; wherein the real-time simulation workstation is connected with the RTDS Real Time Digital Simulator; the RTDS Real Time Digital Simulator passes out to converter transformer protector by analog quantity output integrated circuit board and power amplifier with electric current and voltage signal; and the RTDS Real Time Digital Simulator passes out to converter transformer protector by digital quantity output integrated circuit board with converter power transformer tap gear signal; converter transformer protector then will protect tripping operation and alarm signal to pass out to the RTDS Real Time Digital Simulator by digital quantity input integrated circuit board, and direct current transportation control protective device connects with the RTDS Real Time Digital Simulator.
Set up two 12 pulsating direct current transmission system Real-Time Model on the above-mentioned real-time simulation workstation.
Above-mentioned two 12 pulsating direct current transmission systems comprise high end valve group and low end valve group, high end valve group and low end valve group all comprise two 6 flutter valve groups, high end valve group connects with high end valve group converter power transformer group, low end valve group connects with low end valve group converter power transformer group, and high end valve group converter power transformer group comprises Y bridge converter power transformer and D bridge converter power transformer.
What above-mentioned RTDS Real Time Digital Simulator was sent is the electric current and the voltage signal of high end valve group converter power transformer group.
What above-mentioned RTDS Real Time Digital Simulator was sent is the electric current of high end valve group converter power transformer group and the three-phase voltage that voltage signal comprises the former limit of high end valve group converter power transformer group, the former limit of Y bridge converter power transformer winding head end three-phase current, the terminal three-phase current of the former limit of Y bridge converter power transformer winding, Y bridge converter power transformer secondary winding head end three-phase current, the terminal three-phase current of Y bridge converter power transformer secondary winding, the former limit of Y bridge converter power transformer zero-sequence current, the former limit of D bridge converter power transformer winding head end three-phase current, the terminal three-phase current of the former limit of D bridge converter power transformer winding, D bridge converter power transformer secondary winding head end three-phase current, the terminal three-phase current of D bridge converter power transformer secondary winding, the former limit of D bridge converter power transformer zero-sequence current.
The utility model proposes and utilize the RTDS Real Time Digital Simulator that two 12 pulsating direct current transmission system converter transformer protectors are carried out the system of real-time digital closed test, test also has reference function to this pilot system to single 12-pulse DC transmission system converter transformer protector real-time digital.The system test that transmission system converter transformer protector of the present utility model carries out closed test is flexible, can carry out the polytype test.It is simple to operate, convenient and practical that transmission system converter transformer protector of the present utility model carries out the test method of system of closed test.
Description of drawings
Fig. 1 is the structural representation of the two 12 pulsating direct current transmission systems of the utility model;
Fig. 2 is the real-time simulation test method synoptic diagram of the two 12 pulsating direct current transmission system converter transformer protectors of the utility model.
Embodiment
Embodiment
Structural representation of the present utility model as shown in Figure 1; transmission system converter transformer protector of the present utility model carries out the system of closed test; it includes the real-time simulation workstation 8 of setting up the DC transmission system Real-Time Model; the RTDS Real Time Digital Simulator 9 that realistic model is calculated in real time; analog quantity output integrated circuit board 10; power amplifier 11; converter transformer protector 12; digital quantity output integrated circuit board 13; digital quantity input integrated circuit board 14; direct current transportation control protective device 15; wherein real-time simulation workstation 8 is connected with RTDS Real Time Digital Simulator 9; RTDS Real Time Digital Simulator 9 passes out to converter transformer protector 12 by analog quantity output integrated circuit board 10 and power amplifier 11 with electric current and voltage signal; and RTDS Real Time Digital Simulator 9 passes out to converter transformer protector 12 by digital quantity output integrated circuit board 13 with converter power transformer tap gear signal; 12 of converter transformer protectors are imported integrated circuit board 14 by digital quantity and will be protected tripping operation and alarm signal to pass out to RTDS Real Time Digital Simulator 9, and direct current transportation control protective device 15 connects with RTDS Real Time Digital Simulator 9.
In the present embodiment, set up two 12 pulsating direct current transmission system Real-Time Model on the above-mentioned real-time simulation workstation 8.Above-mentioned two 12 pulsating direct current transmission systems comprise high end valve group 1 and low end valve group 2, high end valve group 1 and low end valve group 2 all comprise two 6 flutter valve groups 3, high end valve group 1 connects with high end valve group converter power transformer group 4, low end valve group 2 connects with low end valve group converter power transformer group 5, and high end valve group converter power transformer group 4 comprises Y bridge converter power transformer 6 and D bridge converter power transformer 7.
In the present embodiment, what above-mentioned RTDS Real Time Digital Simulator 9 was sent is the electric current and the voltage signal of high end valve group converter power transformer group 4.The electric current of high end valve group converter power transformer group 4 and voltage signal comprise the three-phase voltage on high end valve group converter power transformer group 4 former limits, Y bridge converter power transformer 6 former limit winding head end three-phase currents, the terminal three-phase current of Y bridge converter power transformer 6 former limit windings, Y bridge converter power transformer 6 secondary winding head end three-phase currents, the terminal three-phase current of Y bridge converter power transformer 6 secondary windings, Y bridge converter power transformer 6 former limit zero-sequence currents, D bridge converter power transformer 7 former limit winding head end three-phase currents, the terminal three-phase current of D bridge converter power transformer 7 former limit windings, D bridge converter power transformer 7 secondary winding head end three-phase currents, the terminal three-phase current of D bridge converter power transformer 7 secondary windings, D bridge converter power transformer 7 former limit zero-sequence currents.
Transmission system converter transformer protector of the present utility model carries out the test method of the system of closed test, and it comprises the steps:
1) on real-time simulation workstation 8, sets up the DC transmission system Real-Time Model;
2) real-time simulation workstation 8 is connected with RTDS Real Time Digital Simulator 9;
3) correlated current in the RTDS Real Time Digital Simulator 9 and voltage signal are passed out to converter transformer protector 12 by analog quantity output integrated circuit board 10 and power amplifier 11;
4) the converter power transformer tap gear signal in the RTDS Real Time Digital Simulator 9 is passed out to converter transformer protector 12 by digital quantity output integrated circuit board 13;
5) protection tripping operation in the converter transformer protector 12 and alarm signal are passed out to RTDS Real Time Digital Simulator 9 by digital quantity input integrated circuit board 14;
6) direct current transportation being controlled protective device 15 connects with RTDS Real Time Digital Simulator 9.
Above-mentioned steps 1) sets up two 12 pulsating direct current transmission system Real-Time Model, two 12 pulsating direct current transmission systems comprise high end valve group 1 and low end valve group 2, high end valve group 1 and low end valve group 2 all comprise two 6 flutter valve groups 3, high end valve group 1 connects with high end valve group converter power transformer group 4, low end valve group 2 connects with low end valve group converter power transformer group 5, high end valve group converter power transformer group 4 comprises Y bridge converter power transformer 6 and D bridge converter power transformer 7, what above-mentioned RTDS Real Time Digital Simulator 9 was sent is the electric current and the voltage signal of high end valve group converter power transformer group 4, these electric currents and voltage signal are the correlated current and the voltage signal of high end valve group converter power transformer group 4, comprising: the three-phase voltage on high end valve group converter power transformer group 4 former limits, Y bridge converter power transformer 6 former limit winding head end three-phase currents, the terminal three-phase current of Y bridge converter power transformer 6 former limit windings, Y bridge converter power transformer 6 secondary winding head end three-phase currents, the terminal three-phase current of Y bridge converter power transformer 6 secondary windings, Y bridge converter power transformer 6 former limit zero-sequence currents, D bridge converter power transformer 7 former limit winding head end three-phase currents, the terminal three-phase current of D bridge converter power transformer 7 former limit windings, D bridge converter power transformer 7 secondary winding head end three-phase currents, the terminal three-phase current of D bridge converter power transformer 7 secondary windings, D bridge converter power transformer 7 former limit zero-sequence currents.
Claims (5)
1. a transmission system converter transformer protector carries out the system of closed test; it is characterized in that including the real-time simulation workstation (8) of setting up the DC transmission system Real-Time Model; the RTDS Real Time Digital Simulator (9) that realistic model is calculated in real time; analog quantity output integrated circuit board (10); power amplifier (11); converter transformer protector (12); digital quantity output integrated circuit board (13); digital quantity input integrated circuit board (14); direct current transportation control protective device (15); wherein real-time simulation workstation (8) is connected with RTDS Real Time Digital Simulator (9); RTDS Real Time Digital Simulator (9) passes out to converter transformer protector (12) by analog quantity output integrated circuit board (10) and power amplifier (11) with electric current and voltage signal; and RTDS Real Time Digital Simulator (9) passes out to converter transformer protector (12) by digital quantity output integrated circuit board (13) with converter power transformer tap gear signal; converter transformer protector (12) then will protect tripping operation and alarm signal to pass out to RTDS Real Time Digital Simulator (9) by digital quantity input integrated circuit board (14), and direct current transportation control protective device (15) connects with RTDS Real Time Digital Simulator (9).
2. transmission system converter transformer protector according to claim 1 carries out the system of closed test, it is characterized in that the upward two 12 pulsating direct current transmission system Real-Time Model of foundation of above-mentioned real-time simulation workstation (8).
3. transmission system converter transformer protector according to claim 2 carries out the system of closed test; it is characterized in that above-mentioned two 12 pulsating direct current transmission systems comprise high end valve group (1) and low end valve group (2); high end valve group (1) and low end valve group (2) all comprise two 6 flutter valve groups (3); high end valve group (1) connects with high end valve group converter power transformer group (4); low end valve group (2) connects with low end valve group converter power transformer group (5), and high end valve group converter power transformer group (4) comprises Y bridge converter power transformer (6) and D bridge converter power transformer (7).
4. transmission system converter transformer protector according to claim 3 carries out the system of closed test, and what it is characterized in that above-mentioned RTDS Real Time Digital Simulator (9) sends is the electric current and the voltage signal of high end valve group converter power transformer group (4).
5. transmission system converter transformer protector according to claim 4 carries out the system of closed test, and what it is characterized in that above-mentioned RTDS Real Time Digital Simulator (9) sends is the electric current of high end valve group converter power transformer group (4) and the three-phase voltage that voltage signal comprises the former limit of high end valve group converter power transformer group (4); the former limit of Y bridge converter power transformer (6) winding head end three-phase current; the terminal three-phase current of the former limit of Y bridge converter power transformer (6) winding; Y bridge converter power transformer (6) secondary winding head end three-phase current; the terminal three-phase current of Y bridge converter power transformer (6) secondary winding; the former limit of Y bridge converter power transformer (6) zero-sequence current; the former limit of D bridge converter power transformer (7) winding head end three-phase current; the terminal three-phase current of the former limit of D bridge converter power transformer (7) winding; D bridge converter power transformer (7) secondary winding head end three-phase current; the terminal three-phase current of D bridge converter power transformer (7) secondary winding; the former limit of D bridge converter power transformer (7) zero-sequence current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923827U CN201773160U (en) | 2010-08-13 | 2010-08-13 | System adopting power transmission system converter transformer protecting device for closed loop test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923827U CN201773160U (en) | 2010-08-13 | 2010-08-13 | System adopting power transmission system converter transformer protecting device for closed loop test |
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| Publication Number | Publication Date |
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| CN201773160U true CN201773160U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202923827U Expired - Lifetime CN201773160U (en) | 2010-08-13 | 2010-08-13 | System adopting power transmission system converter transformer protecting device for closed loop test |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901891A (en) * | 2012-09-17 | 2013-01-30 | 广东电网公司电力科学研究院 | Flexible simulation test platform for electric power system transformer protection devices |
| CN102981087A (en) * | 2012-12-11 | 2013-03-20 | 辽宁省电力有限公司电力科学研究院 | Interface system for RTDS and intelligent relaying protection device |
| CN103235223A (en) * | 2013-04-24 | 2013-08-07 | 国电联合动力技术有限公司 | Micro grid experimental testing platform on basis of RTDS (Real Time Digital System) |
| CN103760888A (en) * | 2014-01-02 | 2014-04-30 | 国家电网公司 | Closed loop simulation testing method of low-voltage active filter controller based on RTDS |
| CN103760893A (en) * | 2014-01-24 | 2014-04-30 | 南方电网科学研究院有限责任公司 | Closed-loop testing system and method for frequency adaptability of alternating-current control protective device |
| CN105182797A (en) * | 2015-09-02 | 2015-12-23 | 国网上海市电力公司 | RTDS-based DC power transmission simulation modeling method and simulation system |
-
2010
- 2010-08-13 CN CN2010202923827U patent/CN201773160U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901891A (en) * | 2012-09-17 | 2013-01-30 | 广东电网公司电力科学研究院 | Flexible simulation test platform for electric power system transformer protection devices |
| CN102901891B (en) * | 2012-09-17 | 2014-10-22 | 广东电网公司电力科学研究院 | Flexible simulation test platform for electric power system transformer protection devices |
| CN102981087A (en) * | 2012-12-11 | 2013-03-20 | 辽宁省电力有限公司电力科学研究院 | Interface system for RTDS and intelligent relaying protection device |
| CN102981087B (en) * | 2012-12-11 | 2015-10-28 | 辽宁省电力有限公司电力科学研究院 | RTDS and intelligent relay protection device interface system |
| CN103235223A (en) * | 2013-04-24 | 2013-08-07 | 国电联合动力技术有限公司 | Micro grid experimental testing platform on basis of RTDS (Real Time Digital System) |
| CN103235223B (en) * | 2013-04-24 | 2016-04-13 | 国电联合动力技术有限公司 | A kind of micro-capacitance sensor experimental test platform based on RTDS |
| CN103760888A (en) * | 2014-01-02 | 2014-04-30 | 国家电网公司 | Closed loop simulation testing method of low-voltage active filter controller based on RTDS |
| CN103760893A (en) * | 2014-01-24 | 2014-04-30 | 南方电网科学研究院有限责任公司 | Closed-loop testing system and method for frequency adaptability of alternating-current control protective device |
| CN105182797A (en) * | 2015-09-02 | 2015-12-23 | 国网上海市电力公司 | RTDS-based DC power transmission simulation modeling method and simulation system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |