Smooth control of insulated gate bipolar transistors junction temperature in a small-scale wind power converter

被引:15
|
作者
Wu, Junke [1 ]
Zhou, Luowei [1 ]
Sun, Pengju [1 ]
Du, Xiong [1 ]
机构
[1] Chongqing Univ, Coll Elect Engn, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China
关键词
insulated gate bipolar transistors; wind power plants; power generation control; field programmable gate arrays; thermal management (packaging); insulated gate bipolar transistors junction temperature; small-scale wind power converter; thermal management strategy; operational reliability; temperature fluctuations; switching frequency; exterior thermal management; field-programmable gate array-based thermal management system; temperature-controlled oscillator; fan speed regulator; power resistor heating system; thermal smooth control method; RELIABILITY; DEVICE;
D O I
10.1049/iet-pel.2014.0962
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 wind power converters, the junction temperature of the power module is the crucial factor which affects its reliability. This study developed a comprehensive thermal management strategy to improve the operational reliability of a small-scale wind power converter. Firstly, the idea of thermal management that improves the reliability is introduced. Then, in order to smooth the temperature fluctuations, the adjustment law of the switching frequency and the strategy of the exterior thermal management have been investigated. A field-programmable gate array- based thermal management system consists of temperature-controlled oscillator and fan speed regulator as well as power resistor heating system was designed. Lastly, numerical simulation and experimental implementation were carried out to verify the correctness of the proposed thermal smooth control method.
引用
收藏
页码:393 / 400
页数:8
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