The degree of mechanical vibrations produced by the laminations of a transformer depends on?

The degree of mechanical vibrations produced by the laminations of a transformer depends on?
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Answer :

The degree of mechanical vibrations produced by the laminations of a transformer depends on tightness of clamping, gauge of laminations, size of laminations.

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Related questions

61 The degree of mechanical vibrations produced by the laminations of a transformers depends on A. Tightness of clamping B. Gauge of laminations C. Size of laminations D. All of the above

Description : 61 The degree of mechanical vibrations produced by the laminations of a transformers depends on A. Tightness of clamping B. Gauge of laminations C. Size of laminations D. All of the above

Last Answer : D. All of the above

69 In case there are burrs on the edges of the laminations of the transformer, it is likely to result in A. Vibrations B. Noise C. Higher eddy currents loss D. Higher hysteresis loss

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Last Answer : C. Higher eddy currents loss

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Last Answer : The thickness of laminations used in a transformer is usually 0.4 mm to 0.5 mm.

The transformer laminations are insulated from each other by?

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60)The noise resulting from vibrations of laminations set by magnetic force, is termed as A. magnetostriction B. boo C. hum D. zoom

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Silicon steel used in laminations mainly reduces?

Last Answer : Silicon steel used in laminations mainly reduces hysteresis loss.

10] The main reason for generation of harmonics in a transformer could be A. Fluctuating load B. Poor insulation C. Mechanical vibrations D. Saturation of core

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Laminations in the transformer core are provided to avoid

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The noise produced by a transformer is termed as?

Description : The noise produced by a transformer is termed as?

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Last Answer : A simple phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at half load at the same power factor is 87.8%

A 500 kVA, 3-phase transformer has iron losses of 300 W and full load copper losses of 600 W. The percentage

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Last Answer : Which losses in a transformer varies significantly with load Copper losses

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Last Answer : For a pulse transformer, the material used for its core and the possible turn ration from primary to secondary are respectively ferrite : 1 : 1

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Last Answer : The transformer utilization factor of full wave bridge rectifier is 0.286