This standard stipulates the relative ground impulse withstand voltage level and test procedures for AC motors with a rated voltage of 3 kV to 15 kV and composed of stator formed coils, as well as the voltage applied to the main insulation and inter-official insulation of the sample coils for inspection. Motor adaptability. This standard applies to AC rotating electrical machines with a rated voltage of 3 kV to 15 kV and composed of stator coils.
GB/T 22715-2008 history
2016GB/T 22715-2016 Impulse voltage withstand levels of form-wound stator coils for rotating a. c. machines
2008GB/T 22715-2008 AC motor stator forming coil shock resistance voltage level