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

Shunya Odawara; Keisuke Fujisaki; Shuhei Fukuhara

doi:10.1109/IPEC.2014.6869595

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

Shunya Odawara, Keisuke Fujisaki, Shuhei Fukuhara

Environmental Studies

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English
Title of host publication	2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
Publisher	IEEE Computer Society
Pages	289-293
Number of pages	5
ISBN (Print)	9781479927050
DOIs	https://doi.org/10.1109/IPEC.2014.6869595
Publication status	Published - 2014 Jan 1
Event	7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014 - Hiroshima, Japan Duration: 2014 May 18 → 2014 May 21

Publication series

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

Other

Other	7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
Country	Japan
City	Hiroshima
Period	14/5/18 → 14/5/21

Keywords

Iron loss
delta-connection
star-connection
three phase inverter

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/IPEC.2014.6869595

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Cite this

Odawara, S., Fujisaki, K., & Fukuhara, S. (2014). Investigation on iron loss characteristics in star-connection and delta-connection under three phase PWM inverter excitation. In 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014 (pp. 289-293). [6869595] (2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014). IEEE Computer Society. https://doi.org/10.1109/IPEC.2014.6869595

Investigation on iron loss characteristics in star-connection and delta-connection under three phase PWM inverter excitation. / Odawara, Shunya; Fujisaki, Keisuke; Fukuhara, Shuhei.

2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014. IEEE Computer Society, 2014. p. 289-293 6869595 (2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Odawara, S, Fujisaki, K & Fukuhara, S 2014, Investigation on iron loss characteristics in star-connection and delta-connection under three phase PWM inverter excitation. in 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014., 6869595, 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014, IEEE Computer Society, pp. 289-293, 7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014, Hiroshima, Japan, 14/5/18. https://doi.org/10.1109/IPEC.2014.6869595

Odawara S, Fujisaki K, Fukuhara S. Investigation on iron loss characteristics in star-connection and delta-connection under three phase PWM inverter excitation. In 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014. IEEE Computer Society. 2014. p. 289-293. 6869595. (2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014). https://doi.org/10.1109/IPEC.2014.6869595

Odawara, Shunya ; Fujisaki, Keisuke ; Fukuhara, Shuhei. / Investigation on iron loss characteristics in star-connection and delta-connection under three phase PWM inverter excitation. 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014. IEEE Computer Society, 2014. pp. 289-293 (2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014).

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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.",

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N2 - 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.

AB - 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.

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