Investigation on iron loss characteristics in star-connection and delta-connection under three phase PWM inverter excitation

Shunya Odawara, Keisuke Fujisaki, Shuhei Fukuhara

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

2 Citations (Scopus)

Abstract

An iron loss characteristic with three ring specimens connected in a star type and in a delta type on three phase inverter excitation is investigated. It is indicated that iron loss obtained from star-connection is about 14 % larger than that obtained from delta-connection. This difference is caused by potential of neutral point having the third harmonics on star-connection. Therefore, although the zero-phase current may flow, the drive of motor by delta-connection should be performed to reduce the iron loss. In star-connection, since a neutral point exists, a potential on neutral point sways by three phase inverter excitation. As a result, BH curve is expanded by this fluctuation.

Original languageEnglish
Title of host publication2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
PublisherIEEE Computer Society
Pages289-293
Number of pages5
ISBN (Print)9781479927050
DOIs
Publication statusPublished - 2014 Jan 1
Event7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014 - Hiroshima, Japan
Duration: 2014 May 182014 May 21

Publication series

Name2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014

Other

Other7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
CountryJapan
CityHiroshima
Period14/5/1814/5/21

Keywords

  • Iron loss
  • delta-connection
  • star-connection
  • three phase inverter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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