Thermal management and performance evaluation of a dual bi-directional, soft-switched IGBT-based inverter for the 1st autonomous microgrid power system in Taiwan under various operating conditions

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题名:	Thermal management and performance evaluation of a dual bi-directional, soft-switched IGBT-based inverter for the 1st autonomous microgrid power system in Taiwan under various operating conditions
作者:	傅尹坤;Chang, Tien-Chan;Fuh, Yiin-Kuen;Lu, Hong-Yi;Tu, Sheng-Xun
贡献者:	工學院機械工程學系
关键词:	Engineering;Engineering Thermodynamics;Heat and Mass Transfer;Industrial Chemistry/Chemical Engineering;Original;Thermodynamics
日期:	2016-06-01
上传时间:	2026-04-23 15:30:56 (UTC+8)
出版者:	Springer Verlag;Berlin/Heidelberg: Springer Berlin Heidelberg
摘要:	摘要： The thermal management of the inverter system is of great importance since very high voltage/current will be switched intermittently and/or continuously and high temperature is excruciably detrimental to the service life of electronics, especially for the switching devices such as insulated gate bipolar transistor (IGBT). In this study, a newly developed dual bi-directional IGBT-based inverter in conjunction with autonomous microgrid system is investigated with particular focus on the thermal management and performance evaluation under various operation conditions. Locally enhanced heat transfer approach such as oblique orientation and heat dissipating materials are experimentally investigated. The studied inverter system is initially packaged by a galvanized steel plate (size 62 × 48 × 18 cm) and the switching power is set in the range of 0.5–3 kW. The module is operated at the switching and pulse frequencies of 60 Hz and 20 kHz, respectively. The adoption of heat dissipating material in either paste or film form had experimentally shown to possess the flexibility tailoring heat transfer performance locally. Experimental studies of heat dissipating film with various hotspot scenarios showed that the temperature difference can be appreciably reduced as much as 13.1 and 15.4 °C, respectively with facilitation of one- and two-layers of heat dissipating film. From the measurement results, the measured peak temperature is highly dominated by the thickness of heat dissipating film, showing the dominance of thickness-dependent thermal resistance and resultant heat accumulation phenomena. 其他題名： Heat Mass Transfer 出版者： Berlin/Heidelberg: Springer Berlin Heidelberg 出版日期： 2016-06-01 出處： Heat and mass transfer, 2016-06, Vol.52 (6), p.1231-1241 版權： Springer-Verlag Berlin Heidelberg 2015 識別號： ISSN: 0947-7411 識別號： EISSN: 1432-1181 識別號： DOI: 10.1007/s00231-015-1628-x
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