HVDX-DCHIPOT
200kV DC High Voltage Tester
The HVDX-DCHIPOT series DC high-voltage generators employ high-frequency voltage multiplication circuits and advanced PWM (Pulse Width Modulation) technology with closed-loop control. Using voltage feedback, these generators achieve significantly improved voltage stability. The units incorporate high-performance IGBT power devices and specialized driver technology, with electromagnetic compatibility measures including special shielding, isolation, and grounding.
The 200kV DC Hipot tester is designed to assist power and industrial professionals with high-voltage DC testing, providing a reliable and versatile solution for verifying insulation integrity and ensuring electrical system safety.
Key Features
- Performance: The HVDX-DCHIPOT 200kV models deliver highly stable DC output with a ripple factor of ≤0.5% and voltage stability of ≤1% even with ±10% input voltage fluctuation. Digital readout accuracy is ±(1.0% of reading + 2 digits) for both voltage and current measurements.
- Comprehensive Protection Equipped with internal overvoltage and overcurrent protection, external adjustable overvoltage protection, breakdown protection, and zero-start protection to ensure safe operation and prevent equipment damage.
- Portable Design: Featuring a lightweight aluminium alloy control box (5.5-6.5kg) and voltage multiplier tube (8.7-11kg), the system is specifically designed for field testing applications.
- Special Function: : Includes a high-precision 0.75U DC1mA single-touch button (accuracy ≤1.0%) specifically designed for zinc oxide surge arrester testing.
- Applications: Ideal for DC withstand voltage testing and leakage current measurement of zinc oxide surge arresters, power cables (11-110kV), power transformers, circuit breakers, generators, and other high-voltage electrical equipment.
- Complete System: Each unit comes with a control box, high-voltage multiplier tube, discharge rod, current-limiting resistor, microammeter, and all necessary accessories for immediate field deployment.
Advantages
- High accuracy measurement without external voltage dividers
- Smooth full-range voltage adjustment with imported multi-turn potentiometer
- Advanced protection circuits including overvoltage, overcurrent, zero-start, and ground protection
- State-of-the-art medium-frequency multiplication circuit with PWM technology
- Digital overvoltage setting with clear kV display
- Nanosecond-level fault sampling and optical isolation for equipment protection
- Lightweight, durable construction with a weather-resistant coating for field use
The 200kV DC Hipot tester is designed to assist power and industrial professionals with high-voltage DC testing, providing a reliable and versatile solution for verifying insulation integrity and ensuring electrical system safety.
Technical Parameters
200kV Models:
- Rated Voltage:200kV
- Rated Current:2mA (HVDX-DCHIPOT-200/2) or 3mA (HVDX-DCHIPOT-200/3) or 5mA (HVDX-DCHIPOT-200/5)
- Rated Power:400W (HVDX-DCHIPOT-200/2) or 600W (HVDX-DCHIPOT-200/3) or 1000W (HVDX-DCHIPOT-200/5)
- Voltage Multiplier Height:970mm
- Power Supply:Single-phase AC 220V±10%, 50Hz
- Operating Environment:Temperature -10°C to +40°C, Relative humidity ≤85% at 25°C
- Duty Cycle:30 minutes at rated load, 10 minutes at 1.1 times rated voltage
Application
- Zinc Oxide Surge Arresters:For DC reference voltage testing and leakage current measurement at 0.75U DC1mA
- Power Transformers:DC withstand voltage testing and leakage current measurement
- High-Voltage Cables:DC withstand voltage testing and leakage current measurement for paper-insulated, rubber-plastic insulated, and self-contained oil-filled cables
- Electrical Substations:Suitable for various voltage levels
