Stator insulation quality assurance testing for appliance motors with aluminum windings

Daewoong Choi; Tae June Kang; Sang Bin Lee; Jaegyu Kim; Jihoon Kim

doi:10.1109/ECCE.2016.7855465

Stator insulation quality assurance testing for appliance motors with aluminum windings

Daewoong Choi, Tae June Kang, Sang Bin Lee, Jaegyu Kim, Jihoon Kim

School of Electrical Engineering

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

Abstract

A number of appliance manufacturers have recently replaced the motor stator winding material from copper (Cu) to aluminum (At) to reduce the product cost in the competitive global appliance market. Although reduction in the motor cost could be achieved, a noticeable increase in the failure rate due to stator insulation breakdown was observed. In this paper, increased failures in At winding stator insulation is investigated for 230 V, 50 W single phase induction fan motors used in the outdoor unit of air conditioners (A/C). Since the motors with defects or failures could not be screened out with the quality assurance tests (QA) that were applied to Cu winding motors, new QA test methods are evaluated for screening out the units with high risk of failure. The investigation shows that partial discharge (PD) measurement under surge excitation can serve as an effective means of screening out the units that are likely to fail. The claims made in the paper are verified through comparative experimental surge PD testing on At and Cu winding motors before and after accelerated degradation.

Original language	English
Title of host publication	ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509007370
DOIs	https://doi.org/10.1109/ECCE.2016.7855465
Publication status	Published - 2017 Feb 13
Event	2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016 - Milwaukee, United States Duration: 2016 Sept 18 → 2016 Sept 22

Other

Other	2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016
Country/Territory	United States
City	Milwaukee
Period	16/9/18 → 16/9/22

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Control and Optimization

Access to Document

10.1109/ECCE.2016.7855465

Cite this

Stator insulation quality assurance testing for appliance motors with aluminum windings. / Choi, Daewoong; Kang, Tae June; Lee, Sang Bin et al.
ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 7855465.

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

Choi, D, Kang, TJ, Lee, SB, Kim, J & Kim, J 2017, Stator insulation quality assurance testing for appliance motors with aluminum windings. in ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings., 7855465, Institute of Electrical and Electronics Engineers Inc., 2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016, Milwaukee, United States, 16/9/18. https://doi.org/10.1109/ECCE.2016.7855465

@inproceedings{43aa90b914434c0b8095b8f5f77f9445,

title = "Stator insulation quality assurance testing for appliance motors with aluminum windings",

abstract = "A number of appliance manufacturers have recently replaced the motor stator winding material from copper (Cu) to aluminum (At) to reduce the product cost in the competitive global appliance market. Although reduction in the motor cost could be achieved, a noticeable increase in the failure rate due to stator insulation breakdown was observed. In this paper, increased failures in At winding stator insulation is investigated for 230 V, 50 W single phase induction fan motors used in the outdoor unit of air conditioners (A/C). Since the motors with defects or failures could not be screened out with the quality assurance tests (QA) that were applied to Cu winding motors, new QA test methods are evaluated for screening out the units with high risk of failure. The investigation shows that partial discharge (PD) measurement under surge excitation can serve as an effective means of screening out the units that are likely to fail. The claims made in the paper are verified through comparative experimental surge PD testing on At and Cu winding motors before and after accelerated degradation.",

author = "Daewoong Choi and Kang, {Tae June} and Lee, {Sang Bin} and Jaegyu Kim and Jihoon Kim",

year = "2017",

month = feb,

day = "13",

doi = "10.1109/ECCE.2016.7855465",

language = "English",

booktitle = "ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

note = "2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016 ; Conference date: 18-09-2016 Through 22-09-2016",

}

TY - GEN

T1 - Stator insulation quality assurance testing for appliance motors with aluminum windings

AU - Choi, Daewoong

AU - Kang, Tae June

AU - Lee, Sang Bin

AU - Kim, Jaegyu

AU - Kim, Jihoon

PY - 2017/2/13

Y1 - 2017/2/13

N2 - A number of appliance manufacturers have recently replaced the motor stator winding material from copper (Cu) to aluminum (At) to reduce the product cost in the competitive global appliance market. Although reduction in the motor cost could be achieved, a noticeable increase in the failure rate due to stator insulation breakdown was observed. In this paper, increased failures in At winding stator insulation is investigated for 230 V, 50 W single phase induction fan motors used in the outdoor unit of air conditioners (A/C). Since the motors with defects or failures could not be screened out with the quality assurance tests (QA) that were applied to Cu winding motors, new QA test methods are evaluated for screening out the units with high risk of failure. The investigation shows that partial discharge (PD) measurement under surge excitation can serve as an effective means of screening out the units that are likely to fail. The claims made in the paper are verified through comparative experimental surge PD testing on At and Cu winding motors before and after accelerated degradation.

AB - A number of appliance manufacturers have recently replaced the motor stator winding material from copper (Cu) to aluminum (At) to reduce the product cost in the competitive global appliance market. Although reduction in the motor cost could be achieved, a noticeable increase in the failure rate due to stator insulation breakdown was observed. In this paper, increased failures in At winding stator insulation is investigated for 230 V, 50 W single phase induction fan motors used in the outdoor unit of air conditioners (A/C). Since the motors with defects or failures could not be screened out with the quality assurance tests (QA) that were applied to Cu winding motors, new QA test methods are evaluated for screening out the units with high risk of failure. The investigation shows that partial discharge (PD) measurement under surge excitation can serve as an effective means of screening out the units that are likely to fail. The claims made in the paper are verified through comparative experimental surge PD testing on At and Cu winding motors before and after accelerated degradation.

UR - http://www.scopus.com/inward/record.url?scp=85015382354&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85015382354&partnerID=8YFLogxK

U2 - 10.1109/ECCE.2016.7855465

DO - 10.1109/ECCE.2016.7855465

M3 - Conference contribution

AN - SCOPUS:85015382354

BT - ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016

Y2 - 18 September 2016 through 22 September 2016

ER -

Stator insulation quality assurance testing for appliance motors with aluminum windings

Abstract

Other

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this