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Splitting control is regarded as the last defensive line of emergency control in power system to isolate the asynchronous generator groups. Traditional splitting control method, mainly based on principles of relay protection, is a kind of passive, component-level, local, control strategy. In contrast, active splitting control is proposed to realize coordination of decentralized operation of splitting...
After a large disturbance, a hydropower group connected to the main system through a long distance line, may split from the system and operate isolated. Based on the actual cases of MAO XIAN and JIU SHI YA hydropower groups in Sichuan province of China, the over-voltage problem in the isolated networks are presented. The feasibility of balancing the excessive charging power by generator's leading...
F there does not have enough support as a means of reactive power sources, the modern power system voltage instability will occur. Beijing-Tianjin-Tangshan Power Grid is load center in North China, the region's power supply relies heavily on its long-distance and heavy-load interconnection of other power grids. At the same time the region does not have sufficient dynamic reactive power support, so...
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