How to choose the voltage level of the ＂ultra-low frequency
2020-07-29 22:14source：未知visit：次
"Ultra-low frequency and high voltage generator" is mainly used for non-destructive insulation withstand voltage test of wires and cables. There are many domestic manufacturers of "ultra-low frequency high voltage generators". According to different cables, different equipment is selected. Examples are: 1. Rated output voltage: 30KV 2. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz, 0.01Hz. 3. Load capacity: 0.1 Hz maximum 1.1µF (theoretical value, field cable length is 3-8 kilometers) 0.05 Hz maximum 2.2µF (theoretical value, field cable length is 3-8 kilometers) 0.02 Hz maximum 5.5µF (theoretical value , The field cable length is 3-8 kilometers) 0.01 Hz maximum 11.0µF (theoretical value, field cable length is more than 10 kilometers)
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