Vibration Analysis of a 3- Phase Model Transformer Core
0103 physical sciences
0202 electrical engineering, electronic engineering, information engineering
02 engineering and technology
01 natural sciences
DOI:
10.1541/ieejfms1990.116.8_744
Publication Date:
2017-04-17T21:11:31Z
AUTHORS (3)
ABSTRACT
Noise produced by a transformer core has been reduced improving material and design of the, core. Further reduction is required for the trend toward amenity. The comprehension mechanism producing noise necessary one measures detail investigation vibration. We developed vibration measuring system utilizing laser Doppler meter we measured 3-phase 3-limb on front back was two or three times higher than other surfaces. occurred mainly in limbs direction perpendicular to surface. waveforms were out phase between center limb both side limbs. These results reveal that it resonant In upper surface yoke sides center. It supposed derived from magnetostriction under condition rotational induction which occurs T-joint
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