(Gm) common mode voltage
±500 kV ultrahigh voltage DC transmission line
1 000 kV UHV capacitance voltage transformer
1 000 kV ultra-high voltage direct current
1000 kV capacitor voltage transformer
1000 kV series voltage standard
1000 kV ultral high voltage AC transmission
10kV high voltage switch cubicle
20 kV distribution voltage
220 kV capacitance voltage transformer