Determination of enamel insulation corona resistance by high- frequency modulated pulses

In the article test equipment is described for corona resistance testing of enameled winding wire samples. The primary element of equipment is generator producing test voltage with necessary waveform and magnitude according to the required PWM. Test conditions are accurately simulated by operational...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2015-04, Vol.81 (1), p.12094
Main Authors: Leonov, A P, Red'ko, V V, Red'ko, L A, Soldatenko, E Y
Format: Article
Language:English
Subjects:
corona resistance
enameled wire
Insulation
Nanoparticles
PWM
Test equipment
tests
VFD
Waveforms
Winding
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Summary:In the article test equipment is described for corona resistance testing of enameled winding wire samples. The primary element of equipment is generator producing test voltage with necessary waveform and magnitude according to the required PWM. Test conditions are accurately simulated by operational loads on a winding insulation (simultaneous impact of temperature and corona discharges). Obtained results of average time to breakdown show that the enamel insulation modified by silicon nanoparticles has a maximum corona resistance.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/81/1/012094