【摘要】 将国产ＬＦＰ—９００系列微机线路保护用于广东省５００ｋＶ输变电线路设计中。对其与进口复用载波机接口、断路器保护配置、死区保护、电压断线闭锁、抗干扰等问题提出了解决办法，并对ＬＦＰ—９００系列线路保护提出改进建议。更多还原

【Abstract】 LFP-900 series microprocessor-based transmission line protection made in China is applied in the design of 500 kV transmission line in Guangdong Province.Some problems,such as interface with imported multiplex power line carrier (PLC), circuit breaker protection configuration,dead zone protection,blocking in the case of voltage transformer (TV) loose connection,anti-interference,are solved.This paper also gives some suggestions to improve LFP-900 series line protection.更多还原