Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors

Sang Bin Lee; Alireza Naeini; Shesha Jayaram; Greg C. Stone; Mladen Sasic

doi:10.1109/EIC43217.2019.9046584

Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors

Sang Bin Lee, Alireza Naeini, Shesha Jayaram, Greg C. Stone, Mladen Sasic

School of Electrical Engineering

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

Abstract

IEC 60034-18-41 has been developed as a standard acceptance test to ensure partial discharge (PD)-free operation for improving the reliability of low voltage (LV) variable frequency drive (VFD) motors. Although the test can verify whether PD exists in the stator for a voltage surge with predetermined magnitude and risetime, the information on where PD activity is occurring in the stator insulation is not clearly given. In this paper, a method based on variable risetime surge voltage testing is proposed for identifying the component of the stator insulation system where PD occurs in LV random wound motor stators (turn, phase, or ground insulation). This information can be used for increasing the PD inception voltage for improving the reliability of the motor through insulation system design/manufacturing. The test is implemented with a 4.5 kV variable risetime surge generator prototype. 4 LV ac motors are tested to show where PD is likely to occur in commercial LV motors.

Original language	English
Title of host publication	2019 IEEE Electrical Insulation Conference, EIC 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	392-395
Number of pages	4
ISBN (Electronic)	9781538676240
DOIs	https://doi.org/10.1109/EIC43217.2019.9046584
Publication status	Published - 2019 Jun
Event	2019 IEEE Electrical Insulation Conference, EIC 2019 - Calgary, Canada Duration: 2019 Jun 16 → 2019 Jun 19

Publication series

Name	2019 IEEE Electrical Insulation Conference, EIC 2019

Conference

Conference	2019 IEEE Electrical Insulation Conference, EIC 2019
Country	Canada
City	Calgary
Period	19/6/16 → 19/6/19

Keywords

impulse testing
partial discharge (PD)
surges

ASJC Scopus subject areas

Energy Engineering and Power Technology
Ceramics and Composites
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials
Polymers and Plastics
Surfaces, Coatings and Films

Access to Document

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Cite this

Lee, S. B., Naeini, A., Jayaram, S., Stone, G. C., & Sasic, M. (2019). Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors. In 2019 IEEE Electrical Insulation Conference, EIC 2019 (pp. 392-395). [9046584] (2019 IEEE Electrical Insulation Conference, EIC 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EIC43217.2019.9046584

Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors. / Lee, Sang Bin; Naeini, Alireza; Jayaram, Shesha; Stone, Greg C.; Sasic, Mladen.

2019 IEEE Electrical Insulation Conference, EIC 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 392-395 9046584 (2019 IEEE Electrical Insulation Conference, EIC 2019).

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

Lee, SB, Naeini, A, Jayaram, S, Stone, GC & Sasic, M 2019, Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors. in 2019 IEEE Electrical Insulation Conference, EIC 2019., 9046584, 2019 IEEE Electrical Insulation Conference, EIC 2019, Institute of Electrical and Electronics Engineers Inc., pp. 392-395, 2019 IEEE Electrical Insulation Conference, EIC 2019, Calgary, Canada, 19/6/16. https://doi.org/10.1109/EIC43217.2019.9046584

Lee SB, Naeini A, Jayaram S, Stone GC, Sasic M. Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors. In 2019 IEEE Electrical Insulation Conference, EIC 2019. Institute of Electrical and Electronics Engineers Inc. 2019. p. 392-395. 9046584. (2019 IEEE Electrical Insulation Conference, EIC 2019). https://doi.org/10.1109/EIC43217.2019.9046584

Lee, Sang Bin ; Naeini, Alireza ; Jayaram, Shesha ; Stone, Greg C. ; Sasic, Mladen. / Impulse Voltage-based Test Method for Identifying the Stator Insulation Component with PD Activity for Low Voltage AC Motors. 2019 IEEE Electrical Insulation Conference, EIC 2019. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 392-395 (2019 IEEE Electrical Insulation Conference, EIC 2019).

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abstract = "IEC 60034-18-41 has been developed as a standard acceptance test to ensure partial discharge (PD)-free operation for improving the reliability of low voltage (LV) variable frequency drive (VFD) motors. Although the test can verify whether PD exists in the stator for a voltage surge with predetermined magnitude and risetime, the information on where PD activity is occurring in the stator insulation is not clearly given. In this paper, a method based on variable risetime surge voltage testing is proposed for identifying the component of the stator insulation system where PD occurs in LV random wound motor stators (turn, phase, or ground insulation). This information can be used for increasing the PD inception voltage for improving the reliability of the motor through insulation system design/manufacturing. The test is implemented with a 4.5 kV variable risetime surge generator prototype. 4 LV ac motors are tested to show where PD is likely to occur in commercial LV motors.",

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AB - IEC 60034-18-41 has been developed as a standard acceptance test to ensure partial discharge (PD)-free operation for improving the reliability of low voltage (LV) variable frequency drive (VFD) motors. Although the test can verify whether PD exists in the stator for a voltage surge with predetermined magnitude and risetime, the information on where PD activity is occurring in the stator insulation is not clearly given. In this paper, a method based on variable risetime surge voltage testing is proposed for identifying the component of the stator insulation system where PD occurs in LV random wound motor stators (turn, phase, or ground insulation). This information can be used for increasing the PD inception voltage for improving the reliability of the motor through insulation system design/manufacturing. The test is implemented with a 4.5 kV variable risetime surge generator prototype. 4 LV ac motors are tested to show where PD is likely to occur in commercial LV motors.

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