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MEWOI-VLF3090KV VLF Hipot Tester,Ultra-low-frequency high-voltage generator
The ultra-low frequency dielectric withstand voltage test is actually an alternative to the power frequency withstand voltage test. It can replace large-capacity resonant transformers when conducting power frequency withstand voltage tests on large generators, cables, etc. The ultra-low frequency high-voltage generator combines the advanced technology of modern digital frequency conversion, adopts microcomputer control, and fully automates boosting, bucking, measurement and protection. Due to the full electronics, it is small in size and light in weight, and has a large capacitive touch screen LCD display, which is clear and intuitive, and can display output waveforms and print test reports. It is very convenient to use.
It has been proved from many years of theory and practice at home and abroad that replacing the power frequency withstand voltage test with the 0.1Hz ultra-low frequency withstand voltage test can not only have the same equivalence, but also greatly reduce the size and weight of the equipment. It is about one-fifth of the power frequency, and the operation is simple. Compared with the power frequency test, it has more advantages. This is why this approach is commonly used in developed countries.
After more than ten years of continuous research and development, the production technology of ultra-low frequency high-voltage generators has become more lightweight and intelligent; it has been upgraded from the previous series output maximum voltage of 80KV to single-stage direct output of 0-90KV.
|Nickname: Ultra-low frequency high-voltage generator: ultra-low frequency withstand voltage tester, ultra-low frequency cable withstand voltage tester, ultra-low frequency generator withstand voltage tester, ultra-low frequency motor withstand voltage tester, program-controlled ultra-low frequency high-voltage generator, ultra-low frequency AC Pressure test equipment.|
1,Advanced technology: digital frequency conversion technology, microcomputer control, pressure rise, pressure reduction, measurement, protection, etc,The test process is fully automated.
| 2,Easy to operate: simple wiring, fool operation.|
|3,Comprehensive protection: multiple protection (over-voltage protection, over- current protection at high and low voltage sides), rapid action (when acting), action time ≤10ms), the instrument is safe and reliable.|
|4,Safety and reliability: the controller is connected with the low voltage of the high voltage generator, with photoelectric control, safe and reliable use.|
|5,The high and low voltage closed-loop negative feedback control circuit is adopted, and the output has no capacity rise effect.|
|6, Complete configuration: capacitive touch screen, LCD Chinese character display, automatic storage, automatic printing.|
|7,Large test range: 0.1Hz, 0.05Hz and 0.02hz multi frequency selection, large test range.|
|8,Small volume and light weight: it is very convenient for outdoor operation.|
Performance Comparison of various withstand voltage test equipment:
Power frequency withstand voltage
0.1Hz withstand voltage
DC withstand voltage
A little low
Heavy and big
Heavy and big
Light and small
Light and small