保护整定计算 coordination and setting of protection; coordination and setting of relaying protection; coordination and setting of relays
继电保护整定计算 Setting and calculation of relaying protection; relay protection setting calculation; protection relay setting and coordination; relay setting computation; Setting calculation of protection; power system protection setting and coordinating
微机保护整定方法 PC Protection Adjusting
整定计算方法 Setting and Coordination; setting calculation ways
保护整定试验方法 protective setting test method
超高速方向保护 Ultra-high-speed directional protection
电流方向保护 current direction protection
反设计计算方法 reverse design methocl
反向计算方法 inverse calculation method
方向保护 direction protection; directional protection; directional relay; directional protective relaying; direction relay; directional protection0
负序方向保护 negative sequence directional protection; negative-sequence directional protection
工频突变量方向保护 delta variable
功率方向保护 directional power protection
故障分量负序功率方向保护 directional relay based on negative sequence power
横联差动电流方向保护 transverse differential current direction protection
环网方向保护 Directional protection in loops
控制轨迹方向计算器 control track direction computer
零序(负序)方向保护 zero-sequence(negative-sequence) direction protection
零序方向保护 zero sequence direction protection; zero-sequence directional protection; zero sequence directional protection; directional zero-sequence protection