I. Product OverviewZGF series high-frequency DC high-voltage generator is newly researched, designed, and manufactured according to the requirements of the Chinese industry standard ZBF 24003-90 "General Technical Conditions for Portable DC High-Voltage Generators". It is a high-tech product of the new era - a portable DC high-voltage generator, suitable for DC high-voltage testing of zinc oxide arresters, magnetic blow arresters, power cables, generators, transformers, switches, and other equipment in power departments, factory and mining enterprise power departments, scientific research units, railways, chemical industry, power plants, etc. It is the most ideal replacement product in the new century.

    ZGF series high-frequency DC high-voltage generator adopts high-frequency voltage doubling circuit, takes the lead in applying the latest PWM high-frequency pulse width modulation technology, closed-loop adjustment, and uses large voltage feedback to greatly improve voltage stability. It uses high-performance high-power IGBT devices and their driving technology, and according to electromagnetic compatibility theory, adopts special, isolation, and grounding measures. This makes the DC high-voltage generator achieve high quality, portability, and can withstand rated voltage discharge without damage.

ZGF series high-frequency DC high-voltage generator instrument main components select advanced technology components from the United States, Germany, Japan, and other countries, making the instrument more reliable and stable. The voltage doubling cylinder is developed and produced with German technology, and the high-frequency transformer is specially designed by experts, with small size, large capacity, strong overload capacity, and convenient for on-site operation testing. Looking to the future, the enterprise will continue to actively expand the market. With quality and reputation as life, continuously improve scientific and technological level, develop cutting-edge high-quality products to meet user needs, strive to develop, and create new brilliance in the new century.



II. Performance Characteristics

  1. Smaller size, lighter weight, more beautiful, more reliable, easy to operate, complete functions, convenient for field use, it is the most ideal reliable product in the new century.

    2. Using the most advanced technology and processes, taking the lead in applying the latest PWM high-frequency pulse width modulation technology, pulse train logic array modulation, using high-power IGBT devices, using high-frequency technology to increase frequency up to 100kHz, thus making the output high voltage stability higher and ripple coefficient smaller.

    3. Designed for maintenance-free, main components are imported from the United States, Germany, Japan and other countries with advanced technology components, durable, not afraid of continuous direct short circuit discharge to ground.

    4. High precision, accurate measurement. Voltage and current meters are digital display, voltage resolution is 0.1kV, current resolution is 0.1uA, the voltage meter on the control box directly displays the voltage value applied to the load test product, no need for external voltage divider, simple wiring. The instrument has high and low voltage end measurement of leakage current, the high voltage end uses circular digital meter display, not afraid of discharge impact, good anti-interference performance, suitable for field use.

    5. High voltage regulation stability, smooth voltage regulation over the full range, output voltage adjustment uses imported single multi-turn potentiometer, the boosting process is stable, high adjustment precision, and has coarse and fine adjustment functions. Voltage adjustment accuracy is better than 0.1%, voltage and current measurement error is less than 1.0%, ripple factor is better than 0.5%.