1. Effect of rise time on PD pulse features under repetitive square wave voltages.
- Author
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Wang, Peng, Cavallini, Andrea, Montanari, Gian, and Wu, Guangning
- Subjects
- *
ELECTRIC discharges , *SQUARE waves , *ELECTRIC potential , *ELECTRIC insulators & insulation , *INDUCTION motors , *ANTENNAS (Electronics) , *CONVERTERS (Electronics) - Abstract
This paper focuses on the influence of repetitive square wave voltage rise time on partial discharge pulse characteristics in the ultra-high frequency range. Paerial Discharge (PD) tests on single-point contact crossed pairs were carried out using repetitive square wave voltages with a wide range of rise times, from 200 ns to 400 μs, including also 50 Hz sinusoidal voltage waveforms. Experimental results show that rise time has a significant influence on magnitude and frequency spectrum of PD pulses. Voltages of shorter rise times generate larger PD pulses with a predominance of high frequency components in the energy spectrum. Interpretations are presented for this phenomenon. [ABSTRACT FROM AUTHOR]
- Published
- 2013
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