A simple partial discharge detector for low-voltage rotating electrical machines

Cheng-Chi Tai, Ching Chau Su, Ju Chu Hsieh, Chung Tzong Wang, Ting Cheng Huang, Chien Yi Chen, Yu Shiun Lin, Jeng Hung Lai

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

Abstract

A new, simple partial discharge (PD) detector for low-voltage rotating electrical machines using acoustical emission (AE) technique is dseveloped in this study. Common electric components were used in the detector, which reduces the cost of inspection, comparing with the traditional PD detection methods that use expensive equipment costing from tens of thousands to several millions dollars. Experimental results by resonant type AE sensors (150 kHz) which utilize power line-cycle in a microcontroller unit (MCU) as reference to measure the PDs generated in a low-voltage motor are presented. The AE signals are then amplified by a pre-amplifier (30 kHz ∼ 300 kHz, 34 dB). Since the resonant frequency of the sensor is much lower than that of the electromagnetic (EM) interferences around the motor, the effects of noise is substantially reduced by this method. In the mean time, the use of 150-kHz resonant type AE sensor also avoids the disturbance of mechanical vibration noise. According to the experiment results, the measurement system developed in this study can be used to detect the PDs' AE signals correctly. The AE measurement scheme proposed in this study provides an effective, low-cost method for PD measurements.

Original languageEnglish
Title of host publication7th Internatonal Conference on Power Electronics, ICPE'07
PublisherIEEE Computer Society
Pages310-315
Number of pages6
ISBN (Print)9781424418725
DOIs
Publication statusPublished - 2007 Jan 1
Event7th Internatonal Conference on Power Electronics, ICPE'07 - Daegu, Korea, Republic of
Duration: 2007 Oct 222007 Oct 26

Publication series

Name7th Internatonal Conference on Power Electronics, ICPE'07

Other

Other7th Internatonal Conference on Power Electronics, ICPE'07
CountryKorea, Republic of
CityDaegu
Period07-10-2207-10-26

Fingerprint

Partial discharges
Detectors
Sensors
Electric potential
Signal interference
Microcontrollers
Costs
Natural frequencies
Inspection
Experiments

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology

Cite this

Tai, C-C., Su, C. C., Hsieh, J. C., Wang, C. T., Huang, T. C., Chen, C. Y., ... Lai, J. H. (2007). A simple partial discharge detector for low-voltage rotating electrical machines. In 7th Internatonal Conference on Power Electronics, ICPE'07 (pp. 310-315). [4692399] (7th Internatonal Conference on Power Electronics, ICPE'07). IEEE Computer Society. https://doi.org/10.1109/ICPE.2007.4692399
Tai, Cheng-Chi ; Su, Ching Chau ; Hsieh, Ju Chu ; Wang, Chung Tzong ; Huang, Ting Cheng ; Chen, Chien Yi ; Lin, Yu Shiun ; Lai, Jeng Hung. / A simple partial discharge detector for low-voltage rotating electrical machines. 7th Internatonal Conference on Power Electronics, ICPE'07. IEEE Computer Society, 2007. pp. 310-315 (7th Internatonal Conference on Power Electronics, ICPE'07).
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abstract = "A new, simple partial discharge (PD) detector for low-voltage rotating electrical machines using acoustical emission (AE) technique is dseveloped in this study. Common electric components were used in the detector, which reduces the cost of inspection, comparing with the traditional PD detection methods that use expensive equipment costing from tens of thousands to several millions dollars. Experimental results by resonant type AE sensors (150 kHz) which utilize power line-cycle in a microcontroller unit (MCU) as reference to measure the PDs generated in a low-voltage motor are presented. The AE signals are then amplified by a pre-amplifier (30 kHz ∼ 300 kHz, 34 dB). Since the resonant frequency of the sensor is much lower than that of the electromagnetic (EM) interferences around the motor, the effects of noise is substantially reduced by this method. In the mean time, the use of 150-kHz resonant type AE sensor also avoids the disturbance of mechanical vibration noise. According to the experiment results, the measurement system developed in this study can be used to detect the PDs' AE signals correctly. The AE measurement scheme proposed in this study provides an effective, low-cost method for PD measurements.",
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Tai, C-C, Su, CC, Hsieh, JC, Wang, CT, Huang, TC, Chen, CY, Lin, YS & Lai, JH 2007, A simple partial discharge detector for low-voltage rotating electrical machines. in 7th Internatonal Conference on Power Electronics, ICPE'07., 4692399, 7th Internatonal Conference on Power Electronics, ICPE'07, IEEE Computer Society, pp. 310-315, 7th Internatonal Conference on Power Electronics, ICPE'07, Daegu, Korea, Republic of, 07-10-22. https://doi.org/10.1109/ICPE.2007.4692399

A simple partial discharge detector for low-voltage rotating electrical machines. / Tai, Cheng-Chi; Su, Ching Chau; Hsieh, Ju Chu; Wang, Chung Tzong; Huang, Ting Cheng; Chen, Chien Yi; Lin, Yu Shiun; Lai, Jeng Hung.

7th Internatonal Conference on Power Electronics, ICPE'07. IEEE Computer Society, 2007. p. 310-315 4692399 (7th Internatonal Conference on Power Electronics, ICPE'07).

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

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Tai C-C, Su CC, Hsieh JC, Wang CT, Huang TC, Chen CY et al. A simple partial discharge detector for low-voltage rotating electrical machines. In 7th Internatonal Conference on Power Electronics, ICPE'07. IEEE Computer Society. 2007. p. 310-315. 4692399. (7th Internatonal Conference on Power Electronics, ICPE'07). https://doi.org/10.1109/ICPE.2007.4692399