VLF Hipot Tester

Advancement in technology has brought a unique equipment at our doorstep which allows us to use extremely low frequency i.e. 0.1 Hz.

So, the only way to field test high capacitance loads, like cables and motors/generators, with AC voltage, is to use a VLF hipot tester. The lower the frequency, the less current and power needed to test high capacitance loads.

VLF hipoting is not destructive to good insulation and does not lead to premature failures like with DC voltage testing. Using VLF does not cause degradation of the insulation as well.

Hence, GREEN-WATT offers you the VLF Hipot Tester which provides the overvoltage and overcurrent protection along with voltage boost body in the design and this eliminate the need of additional protective resistor connected outside.

VLF Hipot TesterRANGE OF PRODUCTS

Model No.Rated Voltage/currentLoad CapacitanceFuseConfiguration and Reference Weight
GW -3030kV/20mA
(Peak)
0.1Hz,≤1.1µF
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
5AController: 4kg
30kV Booster: 25 kg
GW -5050kV/30mA
(Peak)
0.1Hz,≤1.1µF
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
15AController: 4 kg
50kV Booster: 50 kg
GW -6060kV/30mA
(Peak)
0.1Hz,≤0.5µF
0.05Hz,≤1µF
0.02Hz,≤2.5µF
15AController: 4 kg
Booster 1 (30kV): 25 kg
Booster 2 (30kV): 25 kg
GW -8080kV/30mA
(Peak)
0.1Hz,≤0.5µF
0.05Hz,≤1µF
0.02Hz,≤2.5µF
20AController: 4 ㎏
Booster 1 (30kV): 25 kg
Booster 2 (50kV): 50 kg

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