有源滤波输出限幅的需求分析和实现策略

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摘要本文详细分析了有源电力滤波器需要限幅输出的三种情况,即指令电流超出装置容量、IGBT结温过高、超出直流侧电压利用范围。在限幅需求的基础上,结合典型低压谐波源特性,提出了最优限幅策略,设定补偿优先级,优先补偿主要频次谐波分量,并进行了仿真分析。最后,搭建了65KVA三相三线APF实验平台,验证了所述方法的有效性。

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	曹武
	刘康礼
	赵剑锋

关键词 ：有源电力滤波器, 限幅需求, 限幅实现, 补偿优先级, 最优限幅策略

Abstract：This paper presents an implementation method of hysteresis-band current tracking for active power filter, based on digital over-sampling, which allows precise compensation of harmonic current and stabilizes the switching-frequency. A 65-KVA experiment system for three-phase three-wire APF is built for verification and the validity of the proposed method is confirmed by the experimental results.

Key words： Active power filter output-limitation demand output-limitation implementation output priority optimal output-limitation scheme

收稿日期: 2014-08-04 出版日期: 2015-09-08

PACS:

TM910

作者简介: 曹武男,1984年生,博士研究生,主要从事电能质量控制,并网变流技术的研究。刘康礼男,1989年生,硕士研究生,研究方向为电能质量监测技术。

引用本文:

曹武,刘康礼,赵剑锋. 有源滤波输出限幅的需求分析和实现策略[J]. 电工技术学报, 2015, 30(14): 405-411. Cao Wu,Liu Kangli,Zhao Jianfeng. The Analysis of the Conditions in Which APF Need Output-Limitation and its Implementation Scheme. Transactions of China Electrotechnical Society, 2015, 30(14): 405-411.

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https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I14/405

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