120KV 2mA 3mA 5mA 10mA Integrated Generator DC Hipot Tester

The ZGS series integrated DC high-voltage generator is a high-performance electrical test instrument independently developed for high-voltage insulation withstand voltage tests of electrical equipment. As a professional high voltage generator, it adopts international advanced circuit design and material selection, the product integrates multiple core technologies such as high-frequency voltage doubling and dual closed-loop feedback, and features stable output, comprehensive protection, intelligent operation and compact integrated structure. It is widely applicable to DC high-voltage tests of zinc oxide lightning arresters, power cables, transformers, generators and other high-voltage electrical equipment in power plants, substations, power inspection institutions and other occasions, and is an essential professional test equipment for power system insulation preventive tests and vlf electrical testing scenarios.

Stable Output Voltage
Adopt high-frequency voltage doubling circuit, combined with the latest PWM pulse width modulation technology and voltage-current dual closed-loop feedback technology, effectively improve the power supply and load regulation rate, realize high voltage stability and low ripple factor (≤0.5%), and ensure the accuracy of test data.

Comprehensive & Reliable Protection
Equipped with zero position protection, overvoltage protection, overcurrent protection and breakdown protection. The protection circuit uses nanosecond-level special sensors with fast and reliable action, which can effectively protect the personal safety of operators and the intactness of the test instrument and tested equipment.

Intelligent 0.75U Test Function

Added one-key intelligent high-precision 0.75U function button. Press the button to automatically switch the voltage and current to the 0.75U state, which is specially designed for the test of zinc oxide lightning arresters and greatly improves the test efficiency.

Zero-start Boost with High Precision

The boost potentiometer adopts imported multi-turn potentiometer to realize zero-start boost, the boost process is smooth without sudden jump, and the voltage adjustment precision is high, which meets the fine adjustment demand of high-voltage test.

Easy Overvoltage Setting
The overvoltage setting adopts digital dial switch design, which is simple to operate, easy to adjust, and has high setting precision, avoiding the error of traditional manual adjustment and ensuring the safety of test process.

Integrated Design for Easy Carrying
Adopt integrated design scheme, the host and voltage doubling cylinder are integrated in one chassis. Imported high-frequency and high-voltage rectifier diodes are used to make the voltage doubling cylinder compact in volume and light in weight (9-10kg). The overall structure is optimized, the efficiency is improved, and it is convenient for indoor and outdoor on-site mobile testing.

High Reliability & Environmental Adaptability
Key components are selected from high-performance imported parts, and the outer surface of the voltage doubling cylinder is coated with special insulating materials, which has excellent electrical performance, strong moisture resistance and no electric leakage. It can work stably in the environment of -10~40℃ and relative humidity ≤85% (no condensation), adapting to various complex on-site test conditions.

Humanized Operation Interface
The instrument interface is equipped with various functional buttons with reasonable layout and clear marks. The operation logic is simple and easy to understand, no professional training is needed for quick start, which reduces the operation difficulty of testers and improves the test efficiency.This ultra high voltage generator maintains easy operation while delivering high-voltage performance, suitable for various professional electrical test operations.