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A note on the impulse testing of power transformers

 

作者: T.F.Monahan,  

 

期刊: Proceedings of the IEE - Part II: Power Engineering  (IET Available online 1953)
卷期: Volume 100, issue 73  

页码: 35-37

 

年代: 1953

 

DOI:10.1049/pi-2.1953.0006

 

出版商: IEE

 

数据来源: IET

 

摘要:

Difficulties are sometimes encountered in generating the standard 1/50-microsec impulse-voltage wave, free from excessive oscillations, when testing low-voltage windings of large transformers. The paper shows that a circuit using inductance and resistance to control the wavefront can be made to give a better waveshape than a circuit in which the shape of the front is controlled by resistance and capacitance. The improvement is illustrated by waveforms taken during tests on a 33-kV 30-MVA transformer winding. Given suitable circumstances, the suggested method of wave control should overcome some of the difficulties previously encountered.

 

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