DIAGNOSTICS OF TECHNICAL CONDITION OF THE INSULATION OF ELECTRICAL MACHINES IN VARIABLE FREQUENCY DRIVES

  • Александр Степанович Бешта National Mining University
  • Евгений Геннадьевич Худой National Mining University

Abstract

Factors of negative impact on motor insulation, powered by a frequency converter with PWM, are considered. A model of the electric drive including parameters of frame insulation is developed. A method for leakage current measurement and monitoring of insulation state is proposed.

Author Biographies

Александр Степанович Бешта, National Mining University
Doctor of Technical Sciences, Head of the Department, Vice-Rector on Scientific Work
Евгений Геннадьевич Худой, National Mining University

Assistant

Published
2019-02-15
Issue
No. 3(79) (2011): Electrotechnic and Computer Systems
Section
Automated Electromechanical Systems