Product Features
1. Advanced PWM technology combined with voltage and current dual closed-loop control ensures stable high-voltage output with minimal ripple. The precise adjustment system provides accurate testing performance, with a voltage resolution of 0.1kV and current resolution of 1μA.
2. The device is equipped with comprehensive safety protection functions, including zero-start protection, over-current protection, over-voltage protection, and breakdown protection. The fast protection response effectively safeguards both operators and test equipment.
3. The built-in intelligent 0.75U function automatically sets the voltage and current to the required testing level, improving efficiency and simplifying zinc oxide arrester testing procedures.
4. The zero-voltage start design features a high-precision multi-turn potentiometer, allowing smooth voltage regulation and accurate output control.
5. The digital dial switch provides a convenient and precise method for setting the overvoltage protection value.
6. With an integrated structure, the control unit and high-voltage cylinder are installed in a compact portable case. The high-frequency rectification technology helps reduce equipment size while improving overall efficiency.
7. Premium components and specially designed insulation materials ensure excellent electrical performance, strong moisture resistance, and stable long-term operation.
8. The user-friendly interface, well-organized control panel, and straightforward operation make the instrument easy to use for on-site high-voltage testing.
FAQs
1. What types of power equipment require DC high voltage testing?
A: DC high voltage testing is commonly used for power cables, transformers, motors, generators, switchgear, insulators, and surge arresters to evaluate insulation performance.
2. What is the difference between a DC high voltage generator and an AC withstand voltage tester?
A: A DC high voltage generator applies direct current voltage and is mainly used for insulation resistance evaluation and leakage current measurement, while an AC withstand voltage tester is used to simulate AC operating conditions.
3. Why is leakage current measurement important during DC high voltage testing?
A: Leakage current measurement helps identify insulation aging, moisture, contamination, and potential defects in electrical equipment before failures occur.
4. How long does a typical DC high voltage insulation test take?
A: The testing time depends on the equipment type, voltage level, and applicable standards. Engineers usually follow manufacturer recommendations and industry testing requirements.
5. Can a DC high voltage generator be used for outdoor testing?
A: Yes. Portable DC high voltage generators are designed for field applications and can be used for on-site testing in substations, power plants, and industrial facilities under suitable environmental conditions.
6. What should be checked before using a DC high voltage tester?
A: Before testing, users should inspect the test connections, grounding system, power supply, equipment condition, and ensure all safety procedures are followed.
7. Why is portability important for high voltage testing equipment?
A: Portable test equipment allows engineers to perform inspections at different locations, reducing transportation difficulties and improving maintenance efficiency.
8. What maintenance is required for a DC high voltage generator?
A: Regular maintenance includes checking cables and connectors, verifying calibration accuracy, inspecting insulation components, and keeping the equipment clean and dry.
9. How does a DC high voltage tester help prevent electrical equipment failures?
A: By detecting insulation weaknesses and abnormal leakage current, a DC high voltage tester helps engineers identify potential problems before they cause unexpected equipment shutdowns.
10. What industries commonly use DC high voltage generators?
A: DC high voltage generators are widely used in electric utilities, power transmission companies, railway systems, industrial plants, research laboratories, and electrical equipment manufacturers.
