DC AC High Potential Voltage Hipot Transformer

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Product origin: Baoding, Hebei, China

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US$ -1

Description

AC insulation testing provides the ideal solution to testing these lighter cables. AC insulation testing better simulates the

day-to-day stresses undergone by power systems, including frequencies like 50/60 Hz, without causing the insulation breakdown common in DC testing. Additionally, AC testing won't affect XLPE cables when used for over-potential testing, to an agreed acceptable insulation resistance value.

Product Name	AC RESONATING HIGH POTENTIAL TESTER
Model Number	VS-CLXZ	Output Voltage	0 ~ 1000 kV
Output Frequency	30 ~ 300 Hz	Voltage Waveform	Pure sine wave
Quality Factor	30 ~ 90	Certificates	CE; EMC; LVD; ISO; IEC;
Working Power	220V / 380V ± 15%, 50Hz ± 5%
*Typical Application	AC withstand voltage test of: * 6 ~ 500 kV crosslinking polyethylene cable. * 35 ~ 500 kV GIS. * 10 ~ 500 kV switch, bus, casing. * 10 ~ 500 kV power transformer. * 10 ~500 kV PT and CT. * generator. * 10 ~ 500 kV power capacitor.

VLF testing uses very low frequencies as part of an AC cable maintenance routine. VLF testers are smaller and more practical than AC testers but output the same amount of power as a 50 Hz mains device. This combination of size and power makes Very Low Frequency cable testing perfect for testing longer sections of cable and apparatus.

Because VLF testing supplies a working frequency of 0.1Hz as opposed to the 50/60Hz usually required for live transmission, the
physical size of the VLF test set is massively reduced. Critically, the test object still receives the Alternating Sinusoidal Voltage that would be supplied through everyday use, but the size of the test equipment is much smaller.

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