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Comparative Analysis on PDIV of Turn-to-turn Insulation for Inverter-fed Motors Under Sinusoidal and Bipolar Impulsive Voltage
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Yang SHI, Peng WANG, Xinting LIU, Chizhou CHENG, Houlin GUO, Shakeel AKRAM
Insulating Materials | 2022, 55(1) : 101 - 106
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Insulating Materials | 2022, 55(1): 101-106
• Test and Analysis •
Comparative Analysis on PDIV of Turn-to-turn Insulation for Inverter-fed Motors Under Sinusoidal and Bipolar Impulsive Voltage
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Yang SHI, Peng WANG, Xinting LIU, Chizhou CHENG, Houlin GUO, Shakeel AKRAM
Affiliations
  • College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Published: 2022-01-20 doi: 10.16790/j.cnki.1009-9239.im.2022.01.016
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Under the sinusoidal, bipolar square wave, and bipolar short impulsive voltage with 50 Hz of frequency, three typical corona-resistant turn-to-turn insulated twisted pairs for new energy vehicles were used to experiment, and the influences of three voltages on their partial discharge inception voltage (PDIV) characteristics were studied. The results show that within the effective bandwidth after frequency domain filtering, the discharge frequency domain energies under bipolar repetitive short pulse and square wave voltage distribute in 0.5‒0.9 GHz mainly. Keeping other test environments unchanged, the PDIVs under sinusoidal and bipolar repetitive square wave voltage are almost equal. The PDIVs under sinusoidal and square wave are about 20% lower than under bipolar repetitive short pulse voltage, and with the increase of pulse width, the PDIV decreases under bipolar repetitive short pulse voltage. According to the research results, when conducting PDIV test on turn-to-turn insulation, the sinusoidal and square wave voltage are more conservative test voltages for evaluating the PDIV of inverter-fed motor turn-to-turn insulation. When conducting PDIV test on capacitive sample of twisted pairs, the sinusoidal voltage can be considered to replace pulse voltage.

inverter-fed motor  /  insulation system  /  new energy vehicles  /  partial discharge  /  PDIV
Yang SHI, Peng WANG, Xinting LIU, Chizhou CHENG, Houlin GUO, Shakeel AKRAM. Comparative Analysis on PDIV of Turn-to-turn Insulation for Inverter-fed Motors Under Sinusoidal and Bipolar Impulsive Voltage[J]. Insulating Materials, 2022 , 55 (1) : 101 -106 . DOI: 10.16790/j.cnki.1009-9239.im.2022.01.016
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doi: 10.16790/j.cnki.1009-9239.im.2022.01.016
  • Receive Date：2021-03-21
  • Online Date：2025-12-23
  • Published：2022-01-20
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  • Received：2021-03-21
  • Revised：2021-05-07
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    College of Electrical Engineering, Sichuan University, Chengdu 610065, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.01.016
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
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Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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