KDZG-II DC high voltage generator adopts intermediate frequency voltage doubling circuit, uses PWM intermediate frequency pulse width modulation technology, closed loop adjustment, adopts voltage feedback, which greatly improves voltage stability. The high power IGBT device and its driving technology are used, and special shielding, isolation and grounding measures are adopted according to electromagnetic compatibility theory. The DC high voltage generator has high quality, portable, and can withstand rated voltage discharge without damage.

The main components of KDZG-II DC high voltage generator instrument are made of advanced technology components from the United States, Germany, Japan and other countries, which makes the instrument more reliable and stable, and the pressure doubling cylinder is small in size, large in capacity, and strong in overload capacity, which is convenient for field operation test.

Product characteristics
1. Smaller volume, lighter weight, more beautiful, more reliable, easy to operate, complete functions, easy to use in the field. Using large screen dot-matrix LCD, and with man-machine dialogue function, full screen display of test parameters and related information;
2. Adopt PWM intermediate frequency pulse width modulation technology, pulse train logic array modulation, high-power IGBT devices and voltage feedback, so that the output high voltage stability is higher and the ripple coefficient is smaller.
3. The main components of the instrument are selected advanced technology components imported from the United States, Germany, Japan and other countries, durable, not afraid of continuous direct short-circuit discharge to the ground.
4. High precision, accurate measurement. Voltage and ammeter are digital display, voltage resolution is 0.1kV, current resolution is 1uA, the voltage meter on the control box directly displays the voltage value added to the load test, no need to use the voltage divider, simple wiring. The instrument has a high and low voltage end to measure the leakage current, and the high voltage end is displayed by a circular shielded digital meter, which is not afraid of discharge impact and has good anti-interference performance, and is suitable for field use.
5. High voltage regulation stability, full range smooth voltage regulation, output voltage regulation using imported single multi-turn potentiometer, stable voltage boost process, high adjustment accuracy.
6. Negative polarity output, zero start, continuous adjustable, over voltage, over current, back to zero, ground protection, special line break protection and other protection functions. The automatic protection circuit has strong function, perfect and reliable protection, so that the operation is safe, and various technical indicators are better than the industry standard.
7. Added the function of high precision 75%VDC-1mA, which brings convenience to the measurement of zinc oxide arrester. One click does not count. The instrument control box has 75% of the voltage function key, when doing the arrester test, when the current rises to 1000uA, press the 0.75UDC--1mA button, then the voltmeter, ammeter displayed value is 75% of the data, after the completion of the voltage regulator potentiometer should immediately return to zero, and should immediately press the green button, Cut off the high voltage and turn off the power switch. Let's do some other tests.
8. Zinc oxide arrester automatic measurement function: good repeatability, high precision; It is equipped with a micro-ammeter;
9. Automatic voltage boost function: preset test voltage, output voltage can be maintained at constant voltage;
10. Automatic timing function: pre-set and time the test pressure time, and automatically reduce the pressure after the timing is finished;
11. High pressure overpressure setting using micro-processing comparison, high precision, good reliability;
12. Retain manual test mode: computer online function;
13. Data storage function: capture test parameters and save test results automatically;
14. The high voltage side current can be read directly on the control box;
15. According to the electromagnetic capacitance theory, special shielding, multistage isolation and grounding protection measures are organically combined to ensure that the equipment is not damaged when discharging at rated voltage.
16. Convenient overvoltage setting function, using a digital dial switch, the setting voltage value can be visually displayed, so that you can operate more freely, the display value unit is kV.
17. The pressure doubling cylinder is developed and produced by the United States technology, and the intermediate frequency transformer is specially designed by relevant experts. It has small size, large capacity and strong overload capacity, which is convenient for field operation test.
18. Three built-in support feet are provided at the bottom to increase the stability of the pressure doubling cylinder. (for 200KV)
19. The top cover of the control box can be used as a windproof base, which can be inserted with the pressure doubling cylinder to enhance the stability of the pressure doubling cylinder.

Main technical performance
Rated voltage (KV) : 0 ~ 120kV continuously adjustable; Negative polarity output.
Rated current (mA) : 2mA.
Rated power (W) : 240W.
Voltage measurement accuracy: digital display meter ± (1.0% reading ±0.2KV).
Current measurement accuracy: digital display meter ± (1.0% reading ±2).
Ripple coefficient: ≤ 1.5% (output current ≤4mA); ≤ 1.0% (output current ≤3mA); The maximum charging current can reach 4.5mA.
Voltage stability: random fluctuation, power supply voltage change ±10% ≤ 1%.
Overload capacity: the no-load voltage can exceed the rated voltage by 10%. The maximum charging current for ten minutes is 1.5 times the rated current.
Power supply: single-phase AC220V± 10% 50Hz.
Working mode: intermittent use; The maximum continuous duration is 30 minutes.
Working environment: Temperature: -10 ~ 40℃; Relative humidity: no more than 85% at room temperature of 25℃ (no condensation); Altitude: Below 1500 meters.
Capacitive load capacity: the subject's electrical capacity is unlimited; It can be charged at 1.5 times the rated current (4.5mA).
Structural features: epoxy glass steel electrical insulation pressure doubling cylinder; Air insulation, no leakage.
Operating box features: high precision 0.75UDC--1mA single-touch button (accuracy ≤ 1.0%) suitable for zinc oxide arrester test; Overvoltage protection adopts dip switch setting, which is clear at a glance; Vertical and horizontal dual-use international standard chassis, more convenient on-site.