50kV VLF Hipot Tester With Handcart

50kV VLF Hipot Tester With Handcart

Product name:VLF Hipot Tester; Peak Voltage:50kV; Output frequency: 0.1Hz, 0.05Hz, 0.02Hz; Userful:20KV Cables, Generator; Screen:large touch screen
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Description
Technical Parameters

Wuhan Goldhome Hipot Electrical Co., Ltd. is one of the leading manufacturers and suppliers of 50kv vlf hipot tester with handcart in China. With abundant experience, our factory offer high quality customized products made in China with competitive price. Welcome to contact us for quotation.

 

Products video

 

HMCOP-50kV VLF Hipot Tester  With Handcart New Design Connection Display Video

Product Overview 

 

Goldhome has extensive experience in producing VLF ultra-low frequency equipment, delivering premium products and services.The HMCOP-50kV Very Low Frequency (VLF) Insulation Withstand Voltage Tester (with Cart) is a high-voltage insulation diagnostic system specifically designed for testing medium-voltage (MV) and high-voltage (HV) electrical equipment. Integrating advanced VLF technology with a portable cart design, it is particularly suitable for on-site testing of power cables, generators, switchgear, and other high-voltage equipment.

 

Technical Parameter

 

Model

Peak Voltage

Measuring Range

Weight

30/1.1

30kV

0.1Hz,≤0.5uF
0.05Hz,≤1.1uF
0.02Hz,≤2.2uF
0.01Hz,≤5.5uF

Controller: 4kg
Booster: 20kg

50/1.1

50kV

0.1Hz,≤0.5uF
0.05Hz,≤1.1uF
0.02Hz,≤2.2uF
0.01Hz,≤5.5uF

Controller: 4kg
Booster: 40kg

1. Output rated voltage: 50KV

 

2. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz

 

3. Load capacity:

0.1Hz: Maximum 1.1µF

0.05Hz: Maximum 2.2µF

0.02Hz: Maximum 5.5µF

 

4. Measurement accuracy: 3%

 

5. Voltage Positive/Negative Peak Error: ≤3%

 

6. Voltage Waveform Distortion: ≤5%

 

7. Operating Conditions: Indoor/Outdoor; Temperature: -10°C to +40°C; Humidity: ≤85% RH

 

8. Power supply fuse: Refer to Table 3

 

9. Power supply: Voltage 220V±5%, 50±5Hz

 

Note: When using a portable generator, the generator must provide stable output voltage and frequency (typically requiring power >3kW, frequency 50Hz, voltage 220V±5%).

 

Maintenance & FAQs

 

Q:What is the advantage of the handcart design?

A:The integrated handcart solves the major challenge of transporting heavy test equipmentin the field. Benefits include:

Portability:Easily moved by one person across substations, industrial plants, or rough terrain.

Rapid Deployment:Reduces setup and teardown time from hours to minutes.

All-in-One Station:Stores the tester, cables, and accessories securely in one unit.

Safety:Improves safety by minimizing manual lifting and carrying of heavy components.

Q: What types of assets can I test with a 50kV VLF tester?

A: It is designed for testing equipment rated up to 35kV class and beyond, including:

Underground Power Cables(XLPE, EPR, PILC)

Generators and Large Motors

Switchgear and Busbars

Transformers and Bushings

Q: What are the most critical safety rules?

A:

The test object MUST be completely de-energized, isolated, and groundedbefore making any connections.

Establish a clearly marked safety perimeterwith barriers and warning signs.

Always use proper PPE:insulated gloves, safety goggles, and flame-resistant clothing.

Verify the test object is dischargedafter the test and before disconnecting.

 

Q: Can this tester locate the exact spot where a cable fails?
A: No.A VLF Hipot tester is for testing and diagnosing insulation quality. If the cable fails (breaks down) during the test, it tells you the insulation is faulty. To find the exact physical location of the fault, you need a separate instrument called a Cable Fault Locator.

 

Q: What kind of training is required to operate it?

A:Operators must be:

Qualified electrical technicianstrained in high-voltage safety procedures.

Trained on the specific functions and controls of this tester.

Knowledgeable in interpreting results (especially Tan Delta data) and relevant standards (e.g., IEEE 400.2)

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