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ZVMD Vacuum On-Load Tap-Changer
 
     
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> OFF CIRCUIT TAP CHANGER
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Main Technical Data
      ZVMD vacuum on-load tap-changer is structure of combined type, its diverter switch is adopts the advanced design of symmetrical switching principle in the world, it makes the burning loss of vacuum arcing chamber at the different switching direction is the smallest and uniform, this design extends the service life of vacuum on-load tap-changer effectively.
      Its tap selector and insulation materials use the glass fiber reinforced epoxy extensively so that its mechanical strength is high, reduce the deformation, fracture and etc. accidents caused by the improper operation, its insulation performance is good and is not easy to get damp.
 
 
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