220kV交流联网线投运后舟山电网安全稳定控制系统研究

Study on security and stability control system of Zhoushan power grid after 220kV AC interconnection lines put into operation

针对220 kV交流联网线投运后舟山电网结构发生重大变化的问题,对舟山电网运行方式进行了详细分析,充分论证了装设安全稳定控制系统的必要性,对安全稳定控制系统的逻辑策略进行了研究,并对安全稳定控制系统投运后舟山电网稳定性进行了校验。研究结果表明,舟山电网安全稳定控制系统投运后可以有效地提高舟山电网受电能力。

Aiming at the major problem of Zhoushan network structural change after 220 kV AC interconnection lines put into operation,the method of operation was detailed analyzed.The necessity of install the security control system was explained.The logic of control system was studied.The security and stability of control system was checked.The results indicate that Zhoushan safety control system putting into operation is able to effectively increase the interconnection line power flow.