| 兴安直流输电工程单极投运后次同步振荡问题及抑制措施 |
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| 引用本文： | 杨煜,胡蓉,洪潮,任成林. 兴安直流输电工程单极投运后次同步振荡问题及抑制措施[J]. 南方电网技术, 2007, 1(2): 25-30 |
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| 作者姓名： | 杨煜 胡蓉 洪潮 任成林 |
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| 作者单位： | 南方电网技术研究中心,广东,广州,510623;南方电网超高压输电公司,广东,广州,510623 |
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| 摘 要： | 根据兴安（贵广二回）直流输电工程单极投运后南方电网的实际情况，采用机组作用系数法和时域仿真方法，分析了发生次同步振荡风险高的运行方式。针对如何采用阻尼控制器抑制次同步振荡的问题，重点分析了采用整流站就地控制策略的可行性，并提出工程实用的控制器设计方法。利用PSCAD/EMTDC仿真研究，验证了所设计的直流输电次同步振荡阻尼控制器的有效性。
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| 关 键 词： | 高压直流输电 次同步振荡 次同步阻尼控制器 扭应力保护 |
| 收稿时间： | 2007-07-06 |
The Subsynchronous Oscillation Problem and the Damping Control Strategy at the Monopolar Operation Stage of Xingan HVDC Transmission Project |
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| YANG Yu,HU Rong,HONG Chao and REN Cheng-lin. The Subsynchronous Oscillation Problem and the Damping Control Strategy at the Monopolar Operation Stage of Xingan HVDC Transmission Project[J]. Southern Power System Technology, 2007, 1(2): 25-30 |
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| Authors: | YANG Yu HU Rong HONG Chao REN Cheng-lin |
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| Affiliation: | CSG Technology Research Center;CSG Technology Research Center;CSG Technology Research Center;CSG EHV Power Transmission Company |
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| Abstract: | Based on the Mono-Pole operation stage of Xingan HVDC transmission project (Gui-Guang II), the operation mode most likely going with subsynchronous oscillation (SSO) is analyzed with UIF calculation and time-domain simulation. Aiming at the issue of how to utilize subsynchronous damping controllers (SSDC) to mitigating subsynchronous oscillation, this paper studies the feasibility of local-system-stable control strategy at the converter station, and presents a method for designing actually working controllers. A PSCAD/EMTDC simulation has been carried out on the mono-pole risky cases, demonstrating the effectiveness of our designed subsynchronous damping controllers. |
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| Keywords: | HVDC transmission subsynchronous oscillation (SSO) subsynchronous damping controller (SSDC) torsional stress relay (TSR) |
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