Classification and technical requirements for series resonant AC withstand voltage test devices

There are two types of series resonant AC voltage resistant resonant devices:
1. Frequency modulated series resonance
1) Intelligent
2) By adjusting the frequency to reach the resonance point, the frequency range is generally 30-300Hz
2. Power frequency inductive series resonance
1) Traditional
2) The frequency remains constant at 50Hz, and the resonant point is reached by adjusting the inductance

Different test subjects
1. The frequency modulation series resonance mainly tests the following equipment, and the following parameters need to be provided:
Cable: voltage level, length, cross-sectional area
Main transformer: voltage level, capacity
Circuit breakers, busbars, busbars, insulators: voltage levels
GIS： Voltage level and interval
2. The power frequency inductive series resonance mainly tests the following equipment, and the following parameters need to be provided:
For hydropower and thermal power plants: the capacity of hydraulic and thermal units needs to be provided
Motor measurement: rated voltage, capacity