变频调速器电压暂降耐受特性试验及量化方法研究I：机理分析与试验方法

doi:10.19595/j.cnki.1000-6753.tces.L80832

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Abstract Adjustable speed drivers (ASDs) are sensitive to voltage sags, and the tolerance to voltage sag is easily affected by different factors. In this paper, with the dynamic equations of DC circuit and asynchronous motor, mechanism analysis of ASDs’ factors (protection, control methods), load factors (load characteristics) and voltage sag characteristics (voltage sag types, pre/post-voltage sag magnitude, the shape of voltage sag) on ASD was carried out. On the basis of the analysis and existing standard, a voltage sag tolerance test method of ASD for full parameters was proposed. In view of the characteristics of the ASD tolerance curve, a selection method of test points that can improve the test efficiency to a certain extent was proposed, i.e. Improved Box-in method. It can provide a basis for quantifying the tolerance ability of ASDs to voltage sags and provide reference for standard setting, equipment manufacturing and power quality control.

Key words： Adjustable speed driver voltage sag mechanism analysis full parameters test method

Received: 22 January 2018 Published: 29 March 2019

PACS:	TM761+.12
	TK243.6

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	Tao Shun
	Tang Songhao
	Chen Cong
	Xiao Xiangning

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Tao Shun,Tang Songhao,Chen Cong等. Experimental Research on Adjustable Speed Drivers Tolerance to Voltage Sags and Quantitative Method Part I: Mechanism Analysis and Test Method[J]. Transactions of China Electrotechnical Society, 2019, 34(6): 1273-1281.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80832 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I6/1273

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通信作者:陶顺女,1972年生,副教授,研究方向为智能配电网与电能质量.E-mail: tao_shun@sina.com