• High Power Laser and Particle Beams
  • Vol. 32, Issue 2, 025016 (2020)
Xingru Zhang, Bingyang Feng, Jun Liu, Yuansheng Li, Haolong Xiao, Mengyu Zhang, and Mengbing He*
Author Affiliations
  • State Key Laboratory of Advanced Electromagnetic Engineering and New Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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    DOI: 10.11884/HPLPB202032.190346 Cite this Article
    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 Copy Citation Text show less
    Foster model
    Fig. 1. Foster model
    Cauer model
    Fig. 2. Cauer model
    Pulsed power generator structure脉冲功率发生装置结构
    Fig. 3. Pulsed power generator structure脉冲功率发生装置结构
    Thyristor switch connection晶闸管开关连接
    Fig. 4. Thyristor switch connection晶闸管开关连接
    Thyristor switch current at different voltages不同电压下的晶闸管开关电流
    Fig. 5. Thyristor switch current at different voltages不同电压下的晶闸管开关电流
    Thyristor triggering on voltage and current晶闸管触发导通电压电流
    Fig. 6. Thyristor triggering on voltage and current晶闸管触发导通电压电流
    Thyristor conduction voltage drop晶闸管导通压降
    Fig. 7. Thyristor conduction voltage drop晶闸管导通压降
    Simulation results of thermal equivalent circuit热等效电路仿真结果
    Fig. 8. Simulation results of thermal equivalent circuit热等效电路仿真结果
    electrical parametersthermal parameter
    voltage temperature difference
    current thermal power
    amount of charge heat
    resistance thermal resistance
    capacitance heat capacity
    Table 1. Comparison of electrical conduction parameters and heat transfer parameters
    thermal resistance Rth/(K·W−1) heat capacity Cth/(J·K−1)
    2.060.777 00
    1.600.169 00
    0.760.034 00
    0.080.006 75
    Table 2. Thyristor’s thermal impedance parameters
    voltage/kVmaximum temperature difference/℃stable temperature difference/℃
    371.99.13
    4292.737.35
    5484.661.55
    Table 3. Simulation data of thermal equivalent circuit
    voltage/kVduration/mininitial shell temperature/℃final shell temperature/℃shell temperature rise/℃minimum junction temperature/℃maximum junction temperature/℃single average temperature rise/℃
    3120.823.22.432.3095.10.008 0
    3322.026.24.236.3399.10.004 7
    3523.030.27.239.33102.10.004 8
    4122.227.14.964.45319.80.016 3
    4324.735.510.872.85328.20.012 0
    5123.429.96.591.45514.50.021 7
    Table 4. Heat balance shell temperature
    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
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