配电电缆电气参数测量用脉冲发生器研制与试验

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Abstract The low voltage pulse generator is an important unit in the damped AC (DAC) voltage test system to test the basic electrical characteristics of cables. Its performance has an important impact on the correct evaluation and precise location of partial discharge. Based on the control of MCU and the MOSFET with fast interruption characteristics, a pulse generator for measuring transmission constant and calibrating partial discharge of distribution cables is developed and tested. The results show that the generated pulse meets the requirements of steep rising edge and flexible adjustment of pulse width and amplitude. The measured electrical characteristic parameters of cables are comparative accurate.

Key words： low voltage pulse partial discharge calibration pulse current method pulse current method pulse generator

Received: 25 September 2019 Published: 20 March 2020

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	Zhang Long
	Huang Ting

Cite this article:

Zhang Long,Huang Ting. Development and test of pulse generator for measuring electrical parameters of distribution cables[J]. Electrical Engineering, 2020, 21(3): 84-90.

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http://dqjs.cesmedia.cn/EN/Y2020/V21/I3/84

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