A kind of method of the use cascaded high-voltage frequency converter off-line identification parameter of electric machine

A kind of method of the use cascaded high-voltage frequency converter off-line identification parameter of electric machine

  • CN 107,037,359 A
  • Filed: 03/21/2017
  • Published: 08/11/2017
  • Est. Priority Date: 03/21/2017
  • Status: Active Application
First Claim
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1. a kind of method of the use cascaded high-voltage frequency converter off-line identification parameter of electric machine, every phase bridge arm of the high voltage converter byN power unit cascade composition, wherein, n is the integer more than or equal to 3;

  • Described use high voltage converter off-line identification motor ginsengThe step of several methods is included to motor application direct current signal or AC signal, it is characterised in that applied to the motorPlus before direct current signal or AC signal, by least one power unit by-pass in n power cell of every phase bridge arm.

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