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Questions

  • No : 21926
  • Release Date : 2018/08/22 16:30
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Inverter drive of 400 V class motor

The Instruction Manual says that "When the 400 V class motor is driven by the inverter, use an insulation-enhanced motor." What risks are probable when a non-insulation-enhanced motor is used?
Give some concrete examples of phenomena that may occur.
Category : 

Answer

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.
This surge voltage deteriorates insulation of the motor and a layer short circuit may occur with the motor coil.
Product Name
Inverter, magnet motor drive
Product Category
Inverter
Series
FR-S500, FR-A024, FR-E500, FR-A100, FR-F500, FR-A200, FR-A500, FR-V200, FR-B
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