A stator winding insulation condition monitoring technique for inverter-fed machines

Jinkyu Yang, Sang Bin Lee, Jiyoon Yoo, Sanghoon Lee, Yongmin Oh, Changho Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Stator insulation quality assessment is an important issue for PWM inverter-fed machines, since the stator insulation is exposed to increased thermal/electrical stresses. In this paper, a new approach for monitoring the condition of the stator insulation for inverter-fed machines is proposed. The main concept of the proposed approach is to apply various types of test voltages to the motor stator insulation using the inverter, to perform standard off-line insulation tests whenever the motor is not operating. Two methods for testing the insulation with modifications to the inverter circuit are proposed and verified experimentally. The results show that the proposed technique provides a simple low cost solution for detecting stator insulation degradation at an early stage for reliable operation of inverter-fed machine systems, since the insulation condition can be monitored frequently. This not only helps prevent forced outages and safety risks due to insulation breakdown, but also helps perform maintenance in an efficient manner since individual motor maintenance can be prioritized and scheduled based on its present condition.

Original languageEnglish
Title of host publication37th IEEE Power Electronics Specialists Conference 2006, PESC'06
DOIs
Publication statusPublished - 2006
Event37th IEEE Power Electronics Specialists Conference 2006, PESC'06 - Jeju, Korea, Republic of
Duration: 2006 Jun 182006 Jun 22

Publication series

NamePESC Record - IEEE Annual Power Electronics Specialists Conference
ISSN (Print)0275-9306

Other

Other37th IEEE Power Electronics Specialists Conference 2006, PESC'06
CountryKorea, Republic of
CityJeju
Period06/6/1806/6/22

ASJC Scopus subject areas

  • Modelling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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  • Cite this

    Yang, J., Lee, S. B., Yoo, J., Lee, S., Oh, Y., & Choi, C. (2006). A stator winding insulation condition monitoring technique for inverter-fed machines. In 37th IEEE Power Electronics Specialists Conference 2006, PESC'06 [1712164] (PESC Record - IEEE Annual Power Electronics Specialists Conference). https://doi.org/10.1109/PESC.2006.1712164