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小型超导电源系统退磁保护回路建模与仿真

邓天白 高格 傅鹏 蒋力 黄连生

邓天白, 高格, 傅鹏, 等. 小型超导电源系统退磁保护回路建模与仿真[J]. 强激光与粒子束, 2019, 31: 036004. doi: 10.11884/HPLPB201931.180282
引用本文: 邓天白, 高格, 傅鹏, 等. 小型超导电源系统退磁保护回路建模与仿真[J]. 强激光与粒子束, 2019, 31: 036004. doi: 10.11884/HPLPB201931.180282
Deng Tianbai, Gao Ge, Fu Peng, et al. Modeling and simulation of demagnetization protecting circuits of small-scale superconducting power supply system[J]. High Power Laser and Particle Beams, 2019, 31: 036004. doi: 10.11884/HPLPB201931.180282
Citation: Deng Tianbai, Gao Ge, Fu Peng, et al. Modeling and simulation of demagnetization protecting circuits of small-scale superconducting power supply system[J]. High Power Laser and Particle Beams, 2019, 31: 036004. doi: 10.11884/HPLPB201931.180282

小型超导电源系统退磁保护回路建模与仿真

doi: 10.11884/HPLPB201931.180282
详细信息
    作者简介:

    邓天白(1990-),从事电源控制的建模及仿真方面的研究;dengtianbai@ipp.ac.cn

  • 中图分类号: TM133

Modeling and simulation of demagnetization protecting circuits of small-scale superconducting power supply system

  • 摘要: 计算了采用二极管等效电压源模型和等效电阻模型的退磁回路电流响应和二极管功耗,分析了两个模型的特点和差异,在此基础上,为了进一步提高精度,充分考虑了二极管的非线性特性,以实际二极管伏安特性进行曲线拟合建立函数关系式得到二极管非线性模型,代入回路方程并求解。综合对比各模型的仿真结果后,得出采用二极管非线性模型和等效电压源模型能更好地模拟退磁保护响应。
  • 图  1  电源回路图

    Figure  1.  Schematic diagram of power supply circuit

    图  2  退磁回路等效电路图

    Figure  2.  Equivalent circuit diagram of demagnetization circuit

    图  3  二极管组等效电压源模型的电流响应和功耗曲线

    Figure  3.  Current respond and power dissipation of equivalent voltage source model of diode group

    图  4  二极管组等效电阻模型的电流响应和功耗曲线

    Figure  4.  Current respond and power dissipation of equivalent resistor model of diode group

    图  5  二极管示意图及伏安特性

    Figure  5.  Schematic diagram and voltage-current characteristic of diode

    图  6  二极管电阻特性曲线拟合结果

    Figure  6.  Result of curve fitting for resistor characteristics

    图  7  二极管组非线性模型的电流响应和功耗曲线

    Figure  7.  Current response and power dissipation of nonlinear model of diode group

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出版历程
  • 收稿日期:  2018-10-23
  • 修回日期:  2018-12-21
  • 刊出日期:  2019-03-15

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