ZW Series AC/DC Hipot Tester
A versatile AC/DC High Voltage Testing Transformer system engineered for measuring the dielectric strength of electrical equipment.
Available in oil-immersed, epoxy dry-type, and SF6 gas-insulated variants, customizable up to 250kV to match precise field or laboratory requirements.
Product Overview
The ZW Series AC/DC Hipot Tester (Testing Transformer) is an essential insulation diagnostic system used to perform power frequency AC and DC dielectric withstand voltage tests.
By offering three distinct insulation mediums—traditional oil immersed, lightweight dry-type, and portable SF6 gas—this system provides customized, highly stable testing solutions for power utilities, industrial mining enterprises, and research laboratories.
Functions and Value:
1. Multiple Insulation Mediums: Available in cost-effective Oil-immersed, lightweight Epoxy Dry-type, and ultra-portable SF6 Gas designs for any lab or field use.
2. Customizable Capacity: Supports customization from 1.5 kVA to 250 kVA and voltages up to 250 kV to strictly meet various testing standards.
3. AC & DC Dual Use: Easily extends from standard AC withstand tests to DC high voltage testing by connecting a high-voltage silicon stack.
4. Intelligent Safety Control: Features zero-position startup restrictions, overcurrent relays, and timer alarms to fully protect operators and test objects.
5. Field-Optimized Design: Dry and gas-type models significantly reduce volume and weight, minimizing fieldwork fatigue and eliminating oil leakage risks.
Technical Details
| Parameter | Specification |
|---|---|
| Model | ZWSYB (Oil) / ZWDYB (Dry) / ZWSYB (Gas) |
| Input Voltage | AC 200V / 380V / 400V (Depends on capacity) |
| Output AC Voltage | 50kV, 100kV, 150kV, 200kV, 250kV (Customizable) |
| Capacity Range | 1.5 kVA to 250 kVA |
| Output Waveform | Standard Sine Wave |
| Waveform Distortion Rate | ≤ 1% |
| Voltage Adjustable Accuracy | ± 1% |
| Surface Temperature Rise | < 55°C |
| Continuous Operation Time | 0.5 hours at rated capacity |
Model Selection Guide
| Series | Insulation Medium | Key Difference | Main Application |
|---|---|---|---|
| ZWSYB | Transformer Oil | Excellent heat dissipation, traditional design | Laboratories, stationary high-capacity testing |
| ZWDYB | Epoxy Resin (Dry) | Lightweight, no oil leakage, moisture-resistant | On-site switchgear testing, mobile operations |
| ZWSYB | SF6 Gas | Extremely light, superior arc extinguishing | High altitude, frequent field transport |
Recent Work
Parts List
| Item NO. | Max Current | Measuring Range | Main Features | Recommended Application |
|---|---|---|---|---|
| GDZR-10A | 10A | 100μΩ - 20KΩ | Portable, built-in discharge alarm | Small to medium distribution transformers |
| GDZR-20A | 20A | 10μΩ - 10KΩ | High-speed testing, heat dissipation | Medium-sized power transformers |
| GDZR-40A | 40A | 1μΩ - 2KΩ | Dual-channel measurement, high current | Large-scale power transformers |
| GDZR-40A | Three-Phase 10A | 100μΩ - 10KΩ | Three-phase simultaneous measurement | Yn-type transformers, time-saving |
Product Video
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Certificate
Frequently Asked Questions
Contact our engineers for technical support and application guidance.
Oil-type is cost-effective and best for stationary, high-capacity lab work. Dry-type is oil-free and lightweight for general fieldwork. Gas-type is the lightest option with excellent insulation, ideal for frequent mobile transport and high-altitude tests.
Yes, selective dual-purpose models are equipped with a high-voltage silicon stack. When connected, it converts the output to DC high voltage, allowing you to perform DC withstand and leakage current testing.
Absolutely. The paired control unit is built with an overcurrent safety relay. If a breakdown occurs in the tested equipment, the protective relay will trip automatically and cut off the voltage instantly, preventing further damage.
The required parameters depend entirely on the maximum voltage and capacitance of the electrical equipment you are testing. Please contact our technical team with your test object details, and we will customize the most suitable specifications for you.
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