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Main Technical Data |
ZVV vacuum on-load tap-changer can be used for the power transformer with the highest equipment voltage up to 40.5kV, 72.5kV; Max. rated through current 350A , 500A and the frequency is 50Hz and 60Hz, which can change the tap position of transformer regulating winding under the load state so as to obtain the regulation. |
The tap changer is produced and tested according to IEC 60214 (Tap-changers –Part 1: Performance requirements and test methods). |
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