circuit with distributed elements
circuit with lumped elements
enlarged circuit and compensation circuit
10 kV rural overhead line circuit
110 kV line control circuit
1100 kV SF6 circuit breaker
126 kV double-break vacuum circuit breaker
1-wire bus driving circuit
20 kV outdoor on-post vacuum circuit breaker
220 kV circuit breakers
220 kV double circuit on the same tower
24 kV outdoor high-voltage AC vacuum circuit breaker