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ZVV Vacuum On-Load Tap-Changer
 
     
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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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