Made in China 2021 30kV 40kV
50kV 60kV 80kV 90kV 100kV 120kV 0.1Hz HV
AC Vlf Cable Testing High Voltage Hipot Tester PriceGeneral
Information:VLF stands for Very Low Frequency. VLF is generally
considered to be 0.1 Hz and lower, its major application is for
testing solid dielectric cable, transformers, motors, generators,
switchgear, and other electrical apparatus.A VLF hipot is just an
AC output tester but with an output frequency of 0.1 Hz or lower
rather than 50/60Hz. Although the frequency is very low, it is
still an alternating current with polarity reversals every half
cycle. At 0.1 Hz output, rather than 60Hz, it takes 600 times less
current and power to apply an AC voltage to a capacitive load, like
a long cable.Feature:Adapts microprocessor controlled, can realize
voltage set-up/down, measuring and protecting automatically. Manual
intervention is allowable even during the auto voltage boosting.
Touch screen, large LCD can display waveform clearly, and test
report can be printed. Built-in printerMultiple protections
(overvoltage protection, overcurrent protection at HV/LV sides).
When the output is beyond the limitation, the control unit will
shut itself down within 10ms.Easy operation: simple wiring and
operation.Safe and reliable: the controller and the high-voltage
generator are connected at low voltage, photoelectrically
controlled, safe and reliable to use.Closed-loop negative feedback
circuit is adopted. No capacity rising during outputting.Large test
range: 0.1Hz, 0.05Hz and 0.02Hz multi-frequency selection, large
test range.Portable design, small size and light weight: it is very
convenient for outdoor operation. ModelRated voltage Load
capacityFuseWeightEPVLF-30/1.130kV(peak)0.1Hz
≤1.1µF10AController:4kgBooster:25kg0.05Hz ≤2.2µF0.02Hz
≤5.5µFEPVLF-40/1.140kV(peak)0.1Hz
≤1.1µF10Acontroller:4kgBooster:40kg0.05Hz ≤2.2µF0.02Hz
≤5.5µFEPVLF-50/1.150kV(peak)0.1Hz
≤1.1µF20AController:4kgBooster:45kg0.05Hz ≤2.2µF0.02Hz
≤5.5µFEPVLF-60/1.160kV(peak)0.1Hz ≤1.1µF20AController: 4
kgBooster:50 kg0.05Hz ≤2.2µF0.02Hz ≤5.5µFEPVLF-80/1.180kV
(Peak)0.1Hz ≤1.1µF20AController: 4 kgBooster:50 kg0.05Hz
≤2.2µF0.02Hz ≤5.5µFMore details on VLF testing
30/40/50/60/70/80/90kV please contact EPHipot, we have
professional tech team to design correctly designed products and
systems./* March 10, 2023 17:59:20 */!function(){function
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