High Power Laser and Particle Beams, Volume. 32, Issue 2, 025016(2020)
Thermal characteristics of high voltage and high current thyristor assembly
Figures & Tables(12)
Fig. 5. Thyristor switch current at different voltages不同电压下的晶闸管开关电流
Table 1. Comparison of electrical conduction parameters and heat transfer parameters
View tableView in ArticleTable 1. Comparison of electrical conduction parameters and heat transfer parameters
electrical parameters thermal parameter voltage temperature difference current thermal power amount of charge heat resistance thermal resistance capacitance heat capacity
Table 2. Thyristor’s thermal impedance parameters
View tableView in ArticleTable 2. Thyristor’s thermal impedance parameters
thermal resistance R th/(K·W−1)heat capacity C th/(J·K−1)2.06 0.777 00 1.60 0.169 00 0.76 0.034 00 0.08 0.006 75
Table 3. Simulation data of thermal equivalent circuit
View tableView in ArticleTable 3. Simulation data of thermal equivalent circuit
voltage/kV maximum temperature difference/℃ stable temperature difference/℃ 3 71.9 9.13 4 292.7 37.35 5 484.6 61.55
Table 4. Heat balance shell temperature
View tableView in ArticleTable 4. Heat balance shell temperature
voltage/kV duration/min initial shell temperature/℃ final shell temperature/℃ shell temperature rise/℃ minimum junction temperature/℃ maximum junction temperature/℃ single average temperature rise/℃ 3 1 20.8 23.2 2.4 32.30 95.1 0.008 0 3 3 22.0 26.2 4.2 36.33 99.1 0.004 7 3 5 23.0 30.2 7.2 39.33 102.1 0.004 8 4 1 22.2 27.1 4.9 64.45 319.8 0.016 3 4 3 24.7 35.5 10.8 72.85 328.2 0.012 0 5 1 23.4 29.9 6.5 91.45 514.5 0.021 7
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Xingru Zhang, Bingyang Feng, Jun Liu, Yuansheng Li, Haolong Xiao, Mengyu Zhang, Mengbing He. Thermal characteristics of high voltage and high current thyristor assembly[J]. High Power Laser and Particle Beams, 2020, 32(2): 025016
Paper Information
Received: Sep. 10, 2019
Accepted: --
Published Online: Mar. 18, 2020
The Author Email: He Mengbing (pulhmb@hust.edu.cn)
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