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Please give me answer, what was the methods to reduce the earth leakage currents for VFD based HT Drives?

Engineering Electrical Maintenance Electrical Engineer
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Question added by venkateswararao melam , Electrical Engineer , Sembcorp Salalah Power and Water Plant
Date Posted: 2015/07/24
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Jibin Ashraff
by Jibin Ashraff , Electrical Engineer , Commodore Qatar Contracting Company

  • Selecting the right relay
  • Set up of protective zone for each drive
  • Keep input stray capacitances small, by minimising the distance between the transformer and the drive
  •  Maintain a single point of high impedance grounding at the output of the drive

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