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Study on stability of 500 kV AC lines and its improvement measures
Author(s): 
Pages: 53-57
Year: Issue:  19
Journal: POWER SYSTEM PROTECTION AND CONTROL

Keyword:  线路输送容量系统稳定串联补偿器静止无功补偿器;
Abstract: 着重研究了含500 kV交流长线路的电力系统稳定性,提出了一系列提高500 kV线路输电能力的措施.详细模拟了传输功率一定的情况下,采用不同措施时系统的稳定情况.仿真计算的结果表明:增加交流通道的回路数、增加中间开关站可改善网络结构,提高系统稳定性.静止无功补偿器的动态性能与其安装地点有关,单独使用效果不明显.采用串联补偿器或静止无功补偿器与串联补偿器结合的方式可以有效提高系统稳定性,扩大线路输送容量.
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