Thermal Behavior Optimization in Multi-MW Wind Power Converter by Reactive Power Circulation

被引：0
|
作者：
Zhou, Dao [1 ]
Blaabjerg, Frede [1 ]
Lau, Mogens [2 ]
Tonnes, Michael [2 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
[2] Danfoss Silicon Power GmbH, D-24941 Flensburg, Germany
来源：
2013 TWENTY-EIGHTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2013) | 2013年
关键词：
RELIABILITY PREDICTION; ELECTRONICS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In the paper, an actively controlled reactive power influence to the thermal behavior of multi-MW wind power converter with Doubly-Fed Induction Generator (DFIG) is investigated. The allowable range of internal reactive power circulation is firstly mapped depending on the DC-link voltage as well as the induction generator and power device capacity. Then the effects of reactive power circulation towards current characteristic and thermal distribution of the two-level back-to-back power converter is analyzed and compared. Finally the thermal-oriented reactive power is introduced to the system in the conditions of constant wind speed and during wind gust. It is concluded that the thermal performance will be improved by injecting proper reactive power circulation in the wind turbine system and thereby be able to reduce the thermal cycling and enhance the reliability.
引用
收藏
页码：2863 / 2870
页数：8
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