CN102419405A - System and method for carrying out closed-loop test on control protection device of megawatt-level energy storage station - Google Patents
System and method for carrying out closed-loop test on control protection device of megawatt-level energy storage station Download PDFInfo
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- CN102419405A CN102419405A CN2011103628502A CN201110362850A CN102419405A CN 102419405 A CN102419405 A CN 102419405A CN 2011103628502 A CN2011103628502 A CN 2011103628502A CN 201110362850 A CN201110362850 A CN 201110362850A CN 102419405 A CN102419405 A CN 102419405A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
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Abstract
The invention relates to a system and a method for carrying out closed-loop test on a control protection device of a megawatt energy storage station. The system comprises a real-time simulation workstation, an RTDS real-time digital simulator, an analog output board card, a digital input board card, a power amplifier, a battery monitoring device, an energy storage control protection device and a synchronous phasor acquisition unit, wherein the real-time simulation workstation is connected with the RTDS real-time digital simulator, the RTDS real-time digital simulator sends current and voltage signals to the energy storage control protection device, outputs the current and voltage signals of each battery pack to the battery monitoring device, outputs alternating current and voltage signals to the synchronous phasor acquisition unit, outputs the switching states of a network side contactor and a direct current side contactor to the energy storage control protection device, and the energy storage control protection device outputs a network side contactor and a direct current side contactor switching control command to trigger pulse signals to the RTDS real-time digital simulator. The system and the method can be used for carrying out various types of tests such as control protection function, dynamic performance and the like of the energy storage station.
Description
Technical field
The present invention is a kind of system and method that MW class energy storage station control protective device is carried out closed test; Particularly a kind of batteries to store energy and stage type energy conversion system control protective device is carried out the system and method for closed test, belong to the renovation technique that energy storage station control protective device carries out the device and method of closed test.
Background technology
Energy storage technology is one of core content of new generation of intelligent electric power network technique.The distributed energy storage device of installing then can improve power supply reliability and power supply quality in distribution, and energy storage device and regenerative resource, intermittent generating match in addition, with the steady seamless access electrical network that more helps regenerative resource.The high capacity energy storage has advantages such as change working is fast, the method for operation is flexible, efficient is high, safe, reliable, environmentally friendly, and vast potential for future development is arranged.
But the high capacity energy storage technology still lacks in the world to be built and operating experience, and especially as the control protection system of high capacity energy storage nucleus equipment, its performance will directly influence the safe and stable operation at whole energy storage station.But up to now, both at home and abroad, the realistic model that detects energy storage control protection system and emulation platform still do not have can reference, to how to test detects energy storage and controls protection system and lack effective means and method.The tradition dynamic simulation test only can carry out the peripheral test of aspects such as electromagnetic compatibility, anti-interference and communication to the control protective device, but correct, the reliability of control protection strategy and logic then is difficult to detection.
Summary of the invention
The objective of the invention is to consider the problems referred to above and provide a kind of test flexible that can carry out the polytype test carries out the system of closed test to MW class energy storage station control protective device.
Another object of the present invention is to provide a kind of simple to operate, convenient and practical controls the method that protective device carries out closed test to MW class energy storage station.
Technical scheme of the present invention is: the system that MW class energy storage station control protective device is carried out closed test of the present invention; RTDS Real Time Digital Simulator, analog quantity output integrated circuit board, digital quantity output integrated circuit board, digital quantity input integrated circuit board, power amplifier, battery monitoring device, energy storage control protective device, synchronized phasor collecting unit that it includes the real-time simulation workstation of setting up realistic model, realistic model is calculated in real time; Wherein the real-time simulation workstation is connected with the RTDS Real Time Digital Simulator; The RTDS Real Time Digital Simulator passes out to energy storage control protective device through analog quantity output integrated circuit board with DC current and voltage, battery pack current and battery voltage signal; The RTDS Real Time Digital Simulator outputs to battery monitoring device through analog quantity output integrated circuit board with each battery pack current and voltage signal; The RTDS Real Time Digital Simulator exports alternating current and voltage signal to the synchronized phasor collecting unit through analog quantity output integrated circuit board and power amplifier; The RTDS Real Time Digital Simulator through digital quantity output integrated circuit board will net side contactor, DC side contactless contactor state exports energy storage to and controls protective device; Energy storage control protective device will be netted side contactor, DC side contactless contactor control command through digital quantity input integrated circuit board, and start pulse signal is back to the RTDS Real Time Digital Simulator.
Set up the Real-Time Model of MW class battery model, stage type energy conversion system on the above-mentioned real-time simulation workstation.
Above-mentioned MW class accumulator and stage type energy conversion system comprise 2 energy storage subsystems; Each energy storage subsystem all has 12 electric battery to insert the prime rectifier bridge; 6 prime rectifier bridges import same bus and as the input of back level rectifier bridge, constitute 1 energy storage subsystem by a level rectifier bridge parallel connection after two groups again.After the parallel connection of energy storage subsystem AC side, unified through step-up transformer incoming transport power distribution network.
What above-mentioned RTDS Real Time Digital Simulator was seen off is the electric current and the voltage signal of 2 energy storage subsystems.
The electric current and the voltage signal of 2 energy storage subsystems that above-mentioned RTDS Real Time Digital Simulator is seen off comprise that the battery branch current of electric battery and cell voltage, the DC bus-bar voltage of prime rectifier bridge, the net top-cross of back level rectifier bridge flow electric current and voltage.
The present invention controls the test method that protective device carries out the system of closed test to MW class energy storage station, comprises the steps:
1) on the real-time simulation workstation, sets up MW class battery model, stage type energy conversion system Real-Time Model;
2) the real-time simulation workstation is connected with the RTDS Real Time Digital Simulator;
3) correlated current in the RTDS Real Time Digital Simulator and voltage signal are passed out to energy storage control protective device and synchronized phasor collecting unit through analog quantity output integrated circuit board and power amplifier;
4) the net side contactor in the RTDS Real Time Digital Simulator, DC side contactless contactor status signal are passed out to through digital quantity output integrated circuit board export energy storage control protective device to;
5) net side contactor, DC side contactless contactor control command in the protective device are controlled in energy storage, signals such as trigger pulse pass out to the RTDS Real Time Digital Simulator through digital quantity input integrated circuit board.
6) through switch control command and start pulse signal; Stage type energy conversion system in the control RTDS Real Time Digital Simulator runs on rectification or inverter mode; To battery model charge, discharge operation, the function and the dynamic property of energy storage station control protective device are carried out closed test.
The present invention proposes and utilize the RTDS Real Time Digital Simulator that the system that protective device carries out closed test is controlled at MW class energy storage station, this pilot system also has reference function to the energy storage station control protective device test of different capacitance grade, different battery types, different-energy converting system structure.Of the present invention that control protective device in MW class energy storage station is carried out the system test of closed test is flexible, can carry out polytypes such as energy storage station control defencive function and dynamic property and test.It is of the present invention that control protective device in MW class energy storage station is carried out the method for closed test is simple to operate, convenient and practical.
Description of drawings
Fig. 1 is the structural representation of MW class accumulator system of the present invention;
Fig. 2 is the synoptic diagram of the closed loop test system of MW class energy storage of the present invention station control protective device.
Embodiment
Embodiment
It is as shown in Figure 2 that control protective device in MW class energy storage of the present invention station carries out the synoptic diagram of closed loop test system; The system that MW class energy storage station control protective device is carried out closed test of the present invention; RTDS Real Time Digital Simulator 9, analog quantity output integrated circuit board 10, digital quantity output integrated circuit board 11, digital quantity input integrated circuit board 12, power amplifier 13, battery monitoring device 14, energy storage control protective device 15, synchronized phasor collecting unit 16 that it includes the real-time simulation workstation 8 of setting up realistic model, realistic model is calculated in real time; Wherein real-time simulation workstation 8 is connected with RTDS Real Time Digital Simulator 9; RTDS Real Time Digital Simulator 9 passes out to energy storage control protective device 15 through analog quantity output integrated circuit board 10 with DC current and voltage, battery pack current and battery voltage signal; RTDS Real Time Digital Simulator 9 outputs to battery monitoring device 14 through analog quantity output integrated circuit board 10 with each battery pack current and voltage signal; RTDS Real Time Digital Simulator 9 exports alternating current and voltage signal to synchronized phasor collecting unit 16 through analog quantity output integrated circuit board 10 with power amplifier 13; RTDS Real Time Digital Simulator 9 through digital quantity output integrated circuit board 11 will net side contactor, DC side contactless contactor state exports energy storage to and controls protective device 15; Energy storage control protective device 15 will be netted side contactor, DC side contactless contactor control command through digital quantity input integrated circuit board 12, and start pulse signal is back to RTDS Real Time Digital Simulator 9.
In the present embodiment, set up the Real-Time Model of MW class battery model, stage type energy conversion system on the above-mentioned real-time simulation workstation 8.The structural representation of above-mentioned MW class accumulator system is as shown in Figure 1, comprises 2 energy storage subsystems 1 and 2.Each energy storage subsystem all has 12 electric battery 3 to insert that 4,6 prime rectifier bridges of prime rectifier bridges 4 import same buses and as the input of back level rectifier bridge 5, constitutes 1 energy storage subsystem by level rectifier bridge 5 parallel connections after two groups again.After 2 energy storage subsystems 1 and the 2 AC side parallel connections, unified through step-up transformer 6 incoming transport power distribution networks 7.In the present embodiment, prime rectifier bridge 4 is the DC/DC rectifier bridge, and back level rectifier bridge 5 is the DC/AC rectifier bridge.Among Fig. 1,12 electric battery are respectively A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12.
In the present embodiment, 2 energy storage subsystems 1 that above-mentioned RTDS Real Time Digital Simulator 9 is seen off and 2 electric current and voltage signal.What above-mentioned RTDS Real Time Digital Simulator 9 was seen off is the electric current and the voltage signal of 2 energy storage subsystems 1 and 2, comprises that the battery branch current of electric battery 3 and cell voltage, the DC bus-bar voltage of prime rectifier bridge 4, the net top-cross of back level rectifier bridge 5 flow electric current and voltage.
Of the present invention control protective device in MW class energy storage station is carried out the test method of the system of closed test, it comprises the steps:
1) on real-time simulation workstation 8, sets up MW class battery model, stage type energy conversion 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 energy storage control protective device 15 and synchronized phasor collecting unit 16 through analog quantity output integrated circuit board 10 and power amplifier 13;
4) the net side contactor in the RTDS Real Time Digital Simulator 9, DC side contactless contactor status signal are passed out to through digital quantity output integrated circuit board 11 export energy storage control protective device 15 to;
5) net side contactor, DC side contactless contactor control command in the protective device 15 are controlled in energy storage, signals such as trigger pulse pass out to RTDS Real Time Digital Simulator 9 through digital quantity input integrated circuit board 12;
6) through switch control command and start pulse signal; Stage type energy conversion system in the control RTDS Real Time Digital Simulator 9 runs on rectification or inverter mode; To battery model charge, discharge operation, the function and the dynamic property of energy storage station control protective device are carried out closed test.
Above-mentioned steps 1) set up MW class battery model, stage type energy conversion system Real-Time Model, MW class accumulator and stage type energy conversion system comprise 2 energy storage subsystems 1 and 2.Each energy storage subsystem all has 12 electric battery 3 to insert that 4,6 prime rectifier bridges of prime rectifier bridges 4 import same buses and as the input of back level rectifier bridge 5, constitutes 1 energy storage subsystem by level rectifier bridge 5 parallel connections after two groups again.After 2 energy storage subsystems 1 and the 2 AC side parallel connections, unified through step-up transformer 6 incoming transport power distribution networks 7.What above-mentioned RTDS Real Time Digital Simulator 9 was seen off is the electric current and the voltage signal of 2 energy storage subsystems 1 and 2, comprises that the battery branch current of electric battery 3 and cell voltage, the DC bus-bar voltage of prime rectifier bridge 4, the net top-cross of back level rectifier bridge 5 flow electric current and voltage.
Claims (6)
1. system that control protective device in MW class energy storage station is carried out closed test; The RTDS Real Time Digital Simulator (9), analog quantity output integrated circuit board (10), digital quantity output integrated circuit board (11), digital quantity input integrated circuit board (12), power amplifier (13), battery monitoring device (14), energy storage control protective device (15), the synchronized phasor collecting unit (16) that it is characterized in that including the real-time simulation workstation (8) of setting up realistic model, realistic model is calculated in real time; Wherein real-time simulation workstation (8) is connected with RTDS Real Time Digital Simulator (9); RTDS Real Time Digital Simulator (9) passes out to energy storage control protective device (15) through analog quantity output integrated circuit board (10) with DC current and voltage, battery pack current and battery voltage signal; RTDS Real Time Digital Simulator (9) outputs to battery monitoring device (14) through analog quantity output integrated circuit board (10) with each battery pack current and voltage signal; RTDS Real Time Digital Simulator (9) exports alternating current and voltage signal to synchronized phasor collecting unit (16) through analog quantity output integrated circuit board (10) and power amplifier (13); RTDS Real Time Digital Simulator (9) through digital quantity output integrated circuit board (11) will net side contactor, DC side contactless contactor state exports energy storage to and controls protective device (15); Energy storage control protective device (15) will be netted side contactor, DC side contactless contactor control command through digital quantity input integrated circuit board (12), and start pulse signal is back to RTDS Real Time Digital Simulator (9).
2. according to claim 1 control protective device in MW class energy storage station is carried out the system of closed test, it is characterized in that setting up on the above-mentioned real-time simulation workstation (8) Real-Time Model of MW class battery model, stage type energy conversion system.
3. the system that MW class energy storage station control protective device is carried out closed test according to claim 2; It is characterized in that above-mentioned MW class accumulator and stage type energy conversion system comprise 2 energy storage subsystems (1,2); Each energy storage subsystem all has 12 electric battery (3) to insert prime rectifier bridge (4); 6 prime rectifier bridges (4) import the input of same bus and conduct back level rectifier bridge (5); Constitute 1 energy storage subsystem by level rectifier bridge (5) parallel connection after two groups again, after energy storage subsystem (1,2) the AC side parallel connection, unified through step-up transformer (6) incoming transport power distribution network (7).
4. according to claim 3 control protective device in MW class energy storage station is carried out the system of closed test, it is characterized in that the electric current and the voltage signal of 2 energy storage subsystems (1,2) that above-mentioned RTDS Real Time Digital Simulator (9) is seen off.
5. the system that MW class energy storage station control protective device is carried out closed test according to claim 4; The electric current and the voltage signal that it is characterized in that 2 energy storage subsystems (1,2) that above-mentioned RTDS Real Time Digital Simulator (9) is seen off comprise that the battery branch current of electric battery (3) and cell voltage, the DC bus-bar voltage of prime rectifier bridge (4), the net top-cross of back level rectifier bridge (5) flow electric current and voltage.
6. one kind is according to claim 1ly carried out the test method of the system of closed test to MW class energy storage station control protective device, it is characterized in that comprising the steps:
1) on real-time simulation workstation (8), sets up MW class battery model, stage type energy conversion 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 energy storage control protective device (15) and synchronized phasor collecting unit (16) through analog quantity output integrated circuit board (10) and power amplifier (13);
4) the net side contactor in the RTDS Real Time Digital Simulator (9), DC side contactless contactor status signal are passed out to through digital quantity output integrated circuit board (11) export energy storage control protective device (15) to;
5) net side contactor, DC side contactless contactor control command in the protective device (15) are controlled in energy storage, signals such as trigger pulse pass out to RTDS Real Time Digital Simulator (9) through digital quantity input integrated circuit board (12);
6) through switch control command and start pulse signal; Stage type energy conversion system in the control RTDS Real Time Digital Simulator (9) runs on rectification or inverter mode; To battery model charge, discharge operation, the function and the dynamic property of energy storage station control protective device are carried out closed test.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104122802A (en) * | 2014-08-01 | 2014-10-29 | 南京南瑞继保电气有限公司 | RTDS simulation system of static variable frequency system |
| CN115079577A (en) * | 2022-07-22 | 2022-09-20 | 浙江中控技术股份有限公司 | Closed loop step test method and test device based on real-time control performance evaluation |
| WO2024114688A1 (en) * | 2022-11-29 | 2024-06-06 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Hybrid energy storage converter simulation test system and hybrid energy storage converter performance detection method |
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| CN101915882A (en) * | 2010-08-13 | 2010-12-15 | 中国南方电网有限责任公司电网技术研究中心 | System for carrying out closed loop test by utilizing transmission system converter transformer protector and corresponding method |
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Patent Citations (3)
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| CN101825670A (en) * | 2010-01-15 | 2010-09-08 | 中国南方电网有限责任公司电网技术研究中心 | Closed-loop test system of DC de-icing device control protection system and test method thereof |
| CN101915882A (en) * | 2010-08-13 | 2010-12-15 | 中国南方电网有限责任公司电网技术研究中心 | System for carrying out closed loop test by utilizing transmission system converter transformer protector and corresponding method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122802A (en) * | 2014-08-01 | 2014-10-29 | 南京南瑞继保电气有限公司 | RTDS simulation system of static variable frequency system |
| CN115079577A (en) * | 2022-07-22 | 2022-09-20 | 浙江中控技术股份有限公司 | Closed loop step test method and test device based on real-time control performance evaluation |
| CN115079577B (en) * | 2022-07-22 | 2022-11-11 | 浙江中控技术股份有限公司 | Closed loop step test method and test device based on real-time control performance evaluation |
| WO2024114688A1 (en) * | 2022-11-29 | 2024-06-06 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Hybrid energy storage converter simulation test system and hybrid energy storage converter performance detection method |
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Application publication date: 20120418 |