正弦采样信号中单一脉冲干扰信号的快速剔除实践方法

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Abstract Intelligent miniature circuit breaker as the voltage current measurement and control protection device in low voltage client win a wide range of applications, but in the actual process of sinusoidal electrical measurement, different signal interference will affect the final measurement results, the single pulse interference signal frequency is high, the final measurement results fluctuates in the small scope, which can not satisfy the requirement of the intelligent miniature circuit breaker power calculation precision. Based on the fast elimination method of single pulse interference signal, this paper can quickly calculate the theoretical value of the current sampling point. If the deviation from the actual value is too large and it is not within the linear adaptive threshold, the current data point can be determined as a single pulse interference signal, and the actual value can be eliminated and replaced by the theoretical value.

Key words： intelligent miniature circuit breaker electrical sinusoidal measurement single pulse interference signal eliminate and replace

Received: 11 August 2020

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	Articles by authors
	ZHAO Jie
	ZHOU Zhipeng
	GAO Xuanfei
	SONG Li

Cite this article:

ZHAO Jie,ZHOU Zhipeng,GAO Xuanfei等. A practical method for the rapid elimination of a single pulse interference signal from sinusoidal sampling signals[J]. Electrical Engineering, 2021, 22(3): 52-55.

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http://dqjs.cesmedia.cn/EN/Y2021/V22/I3/52