... Resonant test system,when we test the Capacitive Voltage Transformer (CVT) , the frequency must under 50HZ,at the same time, the ... in weight, convenient to field transport.5.Perfect protection function, with zero position protection (forbid the system to start if the ... the equipment(kV)110kV255680220kV45510160330kV6101015240500kV8101020320 XZB-H Resonant test system for CVT