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直流电源消失的几种保护应急技术措施
刘埃生
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Subject：Analysis several 110KV, 220KV DC power loss accidents and their crucial results, gives three technical resolutions, such as integrated protection calculation,
increased protection configuration, etc. According to several power network practices, gives various emergency protection resolutions for the loss of DC power supply, especially prevents the problem expansion and resolves equipments burnt problem. These resolutions guarantee power system safety running, protect main equipments crashing, maximum improve the stability of power supplying systems. Key Words: DC Power Loss Relay Protection Emergency Technology
摘要：通过对几个110KV站、220KV变电站直流电源消失引发严重事故的剖析，针对直流电源消失带来的恶性后果，从保护整定计算、新增保护配置等不同方面，分别提出三种技术应对措施，针对不同的电网实际情况，从而有效解决直流电源消失引发的严重后果，特别是解决因故障不能及时切除而造成事故范围扩大和设备烧损问题，这样对电力系统安全稳定运行，提高供电可靠性有着十分重要的现实意义。
关键词：直流电源消失继电保护应急技术措施
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