摘要
分析了电磁环网运行无功环流的产生原因以及电磁环网运行的经济性、稳定性。认为电磁环网是1个复杂的非线性系统,发生N-1故障且电网输电能力不足时会造成更大范围的停电和设备损坏事故,甚至可能造成地区电网崩溃。结合蒙西地区某500 kV/220 kV电磁环网运行时发生的事故案例,分析了电磁环网运行存在的风险,同时给出了相应的运行措施。
This paper analyzed the causes of the reactive circulating current of the electromagnetic loop network,and the economy and stability of the operation of the electromagnetic loop network.It was considered that the electromagnetic loop network was a complex nonlinear system,which would cause a greater range of power failure and equipment damage when the N-1 fault occured while the transmission capacity of the power grid was insufficient,which could even cause the collapse of the power grid.With the accident case of a 500 kV/220 kV electromagnetic loop network in west Inner Mongolia,analyzed the risk of electromagnetic loop network operation,and gave the corresponding measures for the operation.
出处
《内蒙古电力技术》
2017年第3期97-100,共4页
Inner Mongolia Electric Power
关键词
电磁环网
N-1事故
无功环流
电压崩溃
运行方式
electromagnetic loop network
N-1 accident
reactive current
voltage collapse
operation mode
