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研究了天广交直流系统并联运行的系统稳定性 ,介绍了天广直流系统的稳定控制功能以及天广交直流系统并联运行的紧急控制措施。研究表明天广交直流系统并联运行具有较大的输电能力和较好的稳定性。将直流系统自身的稳定控制功能和辅助的交流系统安全稳定装置适当地结合起来使用 ,可以有效地控制和减小系统单一元件或多元件故障对系统的冲击 ,改善交直流并联系统运行的稳定性。
The stability of Tian-Guang AC-DC system in parallel operation was studied. The stability control function of Tian-Guang DC system and the emergency control measures in parallel operation of Tian-Guang AC-DC system were introduced. Research shows that Tian-Guang AC-DC system parallel operation with greater transmission capacity and better stability. The DC system’s own stability control function and the auxiliary AC system security and stability devices properly combined use, can effectively control and reduce the system single element or multiple element failure impact on the system, improve the stability of AC-DC parallel system operation .