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| Link delay test method of voltage source converter based high voltage direct current control system |
| ZOU Qiang1, ZHANG Guohua2, LIU Zhuokun2, LIU Li3, SUI Shunke1 |
1. NR Electric Co., Ltd, Nanjing 211102;
2. DC Technical Center of State Grid Corporation of China, Beijing 100052;
3. Zhoushan Power Supply Company, State Grid Zhejiang Electric Power Corporation, Zhoushan, Zhejiang 316000 |
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Abstract For the oscillation problem of voltage source converter based high voltage direct current transmission (VSC-HVDC) system, both theoretical research and engineering practice show that the converter impedance characteristics can be greatly improved and the possibility of oscillation can be reduced by reducing the control delay. This paper studies the delay test method of VSC-HVDC system, introduces the control layers of VSC-HVDC and the influence of each control link on frequency band, and puts forward the test methods of link delay of control system, link delay of valve control system and full link delay of VSC-HVDC system. The test results of control system link delay, valve control system link delay and full link delay are given in combination with the factory test of Jiangsu Rudong VSC-HVDC Project. The test results show that the method is effective.
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Received: 17 June 2025
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| Cite this article: |
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ZOU Qiang,ZHANG Guohua,LIU Zhuokun等. Link delay test method of voltage source converter based high voltage direct current control system[J]. Electrical Engineering, 2025, 26(12): 74-79.
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| URL: |
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https://dqjs.cesmedia.cn/EN/Y2025/V26/I12/74
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2025, Vol. 26 
