The off-line parameter identification method of line inductance electromotor

The off-line parameter identification method of line inductance electromotor

  • CN 109,412,483 A
  • Filed: 10/23/2018
  • Published: 03/01/2019
  • Est. Priority Date: 10/23/2018
  • Status: Active Application
First Claim
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1. a kind of off-line parameter identification method of line inductance electromotor characterized by comprisingPrimary resistance value obtaining step:

  • primary resistance R is recognized using preset direct current experimental method1, obtain primary resistance valueEquivalent series resistance obtaining step;

    being passed through single-phase alternating current to line inductance electromotor, and current equivalent series electricity is calculatedHinder ReqWith equivalent series inductance Leq

    Secondary electrical resistance value obtaining step;

    single-phase high frequency alternating voltage is applied to line inductance electromotor, recognizes secondary resistance R2, obtainSecondary electrical resistance valueParameters acquiring procedure;

    single-phase low-frequency ac pressure is applied with to line inductance electromotor, recognizes mutual inductance Lm, primary leakage inductance L1WithSecondary leakage inductance L2, obtain mutual inductance valuePrimary leakage inductance valueSecondary leakage inductance value

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