500kV voltage grade substation
Different Voltage Grade
kV voltage grade substation
Selection of Auxiliary Power Voltage Grade
active voltage [= effective voltage]
common mode voltage， asymmetrical voltage
differential mode voltage， symmetrical voltage
end voltage (cut-off voltage)
high voltage and extra high voltage XLPE power cable system
high-voltage bias voltage
isohypse voltage (Ho’ cker-passage-voltage)
longitudinal zero-sequence voltage protection restrained with the third harmonic voltage