This standard specifies the circuit voltage waveform by inserting in series high-voltage and special high-voltage advancing capacitors or capacitor groups.
KS C 4806-1989 history
2019KS C 4806-2019 Series reactors for high voltage power capacitors
1989KS C 4806-1989 Series reactors for high voltage power capacitors
1980KS C 4806-1980 Series reactors for high voltage power capacitors