Title :
A study on locations of electrical discharge in a motor
Author :
Nakayama, Kenichi ; Matsutake, Yukari ; Yanagisawa, Takahisa ; Takeda, Shigeki ; Kagoshima, Kenichi
Author_Institution :
Grad. Sch. of Sci. & Eng., Ibaraki Univ., Hitachi, Japan
fDate :
Oct. 29 2012-Nov. 2 2012
Abstract :
This paper have investigated the possibility of the insulation defect location of a stator by detection of electromagnetic wave. Sinusoidal voltage with 50Hz is applied between the stator and stator cores. And, the maximum antenna load voltage has been measured. The results which have been confirmed are: (1) the electrical discharge of location of insulation defect can be estimated in the applied voltage of PDIV. Detection of electrical discharge location is possible in applied voltage higher than PDIV by exploiting frequency of detected voltage. (2) the detection accuracy of the insulation defect location depends on polarization of a shielded loop antenna.
Keywords :
discharges (electric); electromagnetic wave polarisation; loop antennas; machine insulation; stators; voltage measurement; PDIV; electric motors; electrical discharge location; electromagnetic wave detection; frequency 50 Hz; insulation defect location; maximum antenna load voltage measurement; shielded loop antenna polarization; sinusoidal voltage; stator cores; voltage frequency detection; Antenna measurements; Insulation; Partial discharge measurement; Partial discharges; Stator cores; Stator windings;
Conference_Titel :
Antennas and Propagation (ISAP), 2012 International Symposium on
Conference_Location :
Nagoys
Print_ISBN :
978-1-4673-1001-7
