Electro-thermal Model for Thyristor for HVDC Valve

被引：0
|
作者：
Yang Jun [1 ]
Zhang Jing [1 ]
Cao Jun-zheng [1 ]
Zha Kun-peng [1 ]
Wei Xiao-guang [1 ]
机构：
[1] China Elect Power Res Inst, Beijing, Peoples R China
来源：
2012 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2012年
关键词：
UHVDC; thyristor; electro-thermal; junction temperature; DEVICES;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
To enhance the electricity grid's capacity of resource allocation, long-distance, large capacity (Ultra) high-voltage DC transmission technology is widely used. Significantly increased voltage and current levels affect both electric and thermal characteristics of the thyristors in a DC converter valve. This paper aims to establish a thyristor electro-thermal model to analyze the interaction between electrical and thermal stresses under various steady and transient operation conditions. Thyristor junction temperature prediction method was investigated to ensure its long-term reliability in applications.
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页数：4
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