Circuit configuration mode
Main Circuit Configuration
Circuit topology configuration
configuration of the negative feedback circuit
alternation current circuit {= AC circuit}
earth circuit [= earth return circuit]
enlarged circuit and compensation circuit
single filip-flop circuit (sff circuit)
trip circuit and closing circuit
line-focused configuration (spot-focused configuration)
10 kV rural overhead line circuit
110 kV line control circuit
1100 kV SF6 circuit breaker
126 kV double-break vacuum circuit breaker