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Manufacturer AC Hipot Tester Very Low Frequency Tester Vlf Cable Testing
Manufacturer AC Hipot Tester Very Low Frequency Tester Vlf Cable Testing
Manufacturer AC Hipot Tester Very Low Frequency Tester Vlf Cable Testing
Manufacturer AC Hipot Tester Very Low Frequency Tester Vlf Cable Testing
Manufacturer AC Hipot Tester Very Low Frequency Tester Vlf Cable Testing

Manufacturer AC Hipot Tester Very Low Frequency Tester Vlf Cable Testing

Min.Order: 1
Product origin: Wuhan, Hubei, China
Infringement complaint: complaintComplaint
US$ 500 ~ 10000

Description
General Information

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.
 
AspectsDCPower 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
  1. Small size and light weight.Big LCD screen and built-in printer.
  2. 0.1Hz,0.05Hz and 0.02Hz can be chosen,which ensures a wide test range.
  3. 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.
  4. Overvoltage protection and over-current protection.Action time is no longer than 20ms.
  5. Data of current,voltage,wave form can be directly sampled at high voltage side,so the data is real and accurate.
  6. 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.
  7. Closed-loop negative feedback circuit is adopted.No capacity rising during outputing.
Specifications
 
Maximum Output Voltage30/50/60/80KV
Output ModeSingle Connection Or Tandem-line
Maximum Load Capacity,VLF30KVl1.1μ[email protected];2.2μ[email protected];5.5μ[email protected]
50KV1.1μ[email protected];2.2μ[email protected];5.5μ[email protected]
60KV 0.5μ[email protected];1μ[email protected];2.5μ[email protected]
80KV 0.5μ[email protected];1μ[email protected];2.5μ[email protected]
VLF Test FrequenciesSelectable 0.1 Hz,0.05Hz,0.02 Hz
(Additional Frequencies available upon request)
Accessories(available upon request)Discharge rod x 1
Capacitor x 1
high voltage wire x 1
Low voltage wire x 1
Ground Cables x 1
Interconnect cable x 1


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