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浙江大学学报(工学版)
电气工程     
矩阵变换器混合型换流策略
胡风革,吴旭升,聂子玲,王清
1. 海军工程大学 舰船综合电力技术国防科技重点实验室, 湖北 武汉 430033;
2. 邢台职业技术学院 电气工程系, 河北 邢台 054000
Hybrid commutation strategy for matrix converter
HU Feng ge, WU Xu sheng, NIE Zi ling1, WANG Qing
1. National Key Laboratory of Science and Technology on Vessel Integrated Power System, Navy University of Engineering, Wuhan 430033, China; 
2. Department of Electrical Engineering, Xingtai Career Technical Institute, Xingtai 054000, China
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摘要:

针对传统混合型换流策略中存在的换流失败问题,提出基于电压临界区域的多步换流策略.该方法以电流型换流策略为主,在电流过零点区域采用电压型换流策略.针对电压临界区间内输入电压接近的两相间的换流,通过第三相的续流,采用六步操作来实现安全换流.结合矩阵变换器的空间矢量调制策略,实现整个区域内的纯四步换流,并据此研制出一台矩阵变换器原理样机.实验结果表明,该方法不需要精确的测量电路即可实现安全、可靠换流,可在大功率矩阵变换器中得到进一步的推广和应用.

Abstract:

The voltage critical interval-based multi-step commutation strategy was proposed aiming at the failure in traditional hybrid commutation. The method primarily adopted current-based commutation strategy. When the current was closed to zero, a replacement of voltage-based strategy was chosen. By continuing current through the third phase, this method realized the safety commutation between the phases of similar voltages in critical intervals in six-step operation. While combined with the space-vector modulation strategy, a pure four-step commutation was achieved in all regions. Then a prototype was established, the experimental results verify that the proposed commutation strategy works well without the  precise detect of control signals, and this scheme can find further promotion and application in high-power matrix converter.

出版日期: 2016-09-22
:  TM 452  
基金资助:

国家自然科学重点基金资助项目(51137005).

通讯作者: 吴旭升,男,教授,博导.ORCID: 0000-0002-6156-6521.     E-mail: Wxs_hg@163.com
作者简介: 胡风革(1988-),男,博士生,从事矩阵变换器及其应用研究. ORCID: 0000-0002-5169-1986. E-mail:515596441@163.com
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引用本文:

胡风革,吴旭升,聂子玲,王清. 矩阵变换器混合型换流策略[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.09.25.

HU Feng ge, WU Xu sheng, NIE Zi ling1, WANG Qing. Hybrid commutation strategy for matrix converter. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.09.25.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.09.25        http://www.zjujournals.com/eng/CN/Y2016/V50/I9/1823

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