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High-voltage hipot tester GTB-15kVA/120kVDCAC
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Characteristics
- Options
- DC, AC, high-voltage
Description
Product overview
Key technical parameters
Applications of dry-type AC/DC hipot tester
Key features
Safety precautions of dry-type AC/DC hipot tester
How to ensure after-sales service for dry-type AC/DC hipot testers?
- Dry testing transformer series, completely changed the old testing transformer stupid, big, heavy backwardness, after mount supporting the production of high-voltage silicon stack can provide dc high voltage testing power supply, with a control box (Taiwan), automatic protection, ball gap microamps table accessories, dry type AC/DC hipot tester especially suitable for field test, to make heavy work convenient, quick, easy and flexible, the efficiency is greatly improved. Therefore, the ben-dry type test transformer is welcomed by power system and high voltage test personnel in large factories and mines.
Key technical parameters
- Impedance voltage: ≤12%
- Output voltage waveform: sine wave (AC)
- Surface temperature rise: < 55℃
- No-load current: < 4%
Applications of dry-type AC/DC hipot tester
- Dielectric strength (hipot) testing of medium-voltage electrical equipment.
- Production quality control, laboratory testing and utility maintenance.
- Routine diagnostics and type or acceptance testing of transformers, switchgear, cables and components
Key features
- Main composition: control box, dry-type test transformer and connection/protection accessories.
- Suitable for power-frequency AC and DC withstand voltage tests on cables, electrical components and insulating materials.
- Equipped with a manufacturer-supplied high-voltage silicon stack to provide DC high-voltage when used with control cabinets and protection devices.
- Portable design for field testing: compact form factor and simplified deployment procedures.
- Compatible with control cabinets, microamp protection, ball gaps and shielding or support fixtures for HV down-leads.
Safety precautions of dry-type AC/DC hipot tester
- Position the equipment with sufficient safety distance; do not route HV down-leads through walkways.
- Install protective fences and display "Stop! High Voltage" signage at the test site.
- Support or insulate HV down-leads; assign personnel to guard and keep people clear of cable spans.
- For DC tests, set the microammeter to the appropriate (typically highest) range; use screening boxes and automatic over-current protection to prevent sudden faults or equipment damage.
- Before power-frequency tests, verify instrument capacitance to avoid resonance with the DUT.
- Ensure working earth (HV end and capacitor stabilizing end) and protective earth (control cabinet chassis) are reliably and separately grounded.
- Stop testing if supply instability or external disturbances occur; investigate and restore stable conditions before resuming.
- If voltmeter or ammeter shows rapid abnormal movement, or if smoke, flash, burning smell or unusual noise appears, immediately cut power and inspect.
- Carry out high-voltage tests in accordance with applicable safety regulations and local standards.
How to ensure after-sales service for dry-type AC/DC hipot testers?
- We provide comprehensive after-sales support, including equipment installation guidance, operation training, remote technical support, fault diagnosis, and spare parts supply. During the warranty period, any problems caused by manufacturing quality can be repaired or replaced with parts free of charge to ensure long-term stable use for customers.
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High Voltage Tester
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