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HV Hipot Electric Co., Ltd.

Vlf Test Set, AC Hipot Test, Vlf Hipot Test manufacturer / supplier in China, offering GDVLF-30KV Hipot Tester, GDYT-5/50 Partial Discharge Test System, GDYT-100/100 Partial Discharge Test System and so on.

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Supplier Homepage Product VLF AC Hipot Test Set GDVLF-30KV Hipot Tester

GDVLF-30KV Hipot Tester

FOB Price: Get Latest Price
Min. Order: 1 Set
Port: Wuhan, China
Production Capacity: 1000PCS/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: GDVLF-30
  • Usage: Power Cable Test
  • Cable Type: Power Cable Test
  • Certification: CE
  • Color: Customized
  • Test Frequency: 0.1Hz, 0.05Hz and 0.02 Hz (Selectable)
  • Maximum Load Capacity: 1.1UF/0.1Hz; 2.2UF/0.05Hz; 5.5UF/0.02Hz
  • Trademark: HV Hipot
  • Specification: ISO, SGS
  • HS Code: 9030339000
  • Test Mode: Variable Frequency Test
  • Test Region: Customized
  • Power: Electricity
  • Customized: Customized
  • Maximum Output Voltage: 30kvpeak
  • Fuse: 10A
  • Power Supply: 220V ±10%, 50Hz ±5%
  • Transport Package: Wooden Case
  • Origin: Wuhan China
Product Description
Withstand Voltage Test Is An Essential Preventive Test For Electrical Equipment. It Is Divided Into Two Parts: AC And DC Withstand Voltage Test. AC Test Can Be Further Divided Into Power Frequency, Variable Frequency And 0.1Hz Very Low Frequency Test, Among Which The Last One Is Highly Recommended By IEC, Due To Its Remarkable Advantages.
Following Is A Comparison For DC, Power Frequency, Variable Frequency, And 0.1Hz Test.

Aspects
DCPower FrequencyVariable Frequency0.1Hz
Equivalencypoorgoodgoodgood
Insulation Damagestrongslightslightslight
Operation Safetyrelatively lowrelatively lowrelatively lowhigh
Wiring Difficultycomplicatedcomplicatedmost complicatedsimple
Volumesmallestlargestlargesmall

In Fact VLF Test Is The Substitute For Power Frequency Test. It Is Suitable For Testing Electrical Equipment With Large Capacitance.
Features
Small size and light weight. Big LCD screen and built-in printer.
0.1Hz, 0.05Hz and 0.02Hz can be chosen, which ensures a wide test range.
It realizes the fully automatic voltage boost, step-down, measurement and protection as well as the manual intervention in the process of automatic voltage boost.
Overvoltage protection and over-current protection. Action time is no longer than 20ms.
Data of current, voltage, wave form can be directly sampled at high voltage side, so the data is real and accurate.
A high voltage output protective resistor is provided in the voltage boost body in the design and this eliminates the need of additional protective resistor connected outside.
Closed-loop negative feedback circuit is adopted. No capacity rising during outputting.
Specifications
Peak voltage: 30kV
Test frequency: 0.1Hz, 0.05Hz and 0.02 Hz (selectable)
Fuse: 10A
Maximum load capacity: 1.1μF@0.1Hz; 2.2μF@0.05Hz; 5.5μF@0.02Hz
Power supply: 220V ±10%, 50Hz ±5% (If using a portable generator, make sure the output voltage and frequency are stable. Power >3kW.)
Output voltage accuracy: peak voltage instability ≤1%; frequency instability ≤3%; waveform distortion: <5%.
Working environment: indoor or outdoor; -10ºC-+40ºC; 85%RH
Weight: Control unit - 6kg; HV unit- 25kg.
 
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