| PWM开关变换器大信号等效电路统一模型 |
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| 引用本文： | 蔡宣三,邢岩. PWM开关变换器大信号等效电路统一模型[J]. 清华大学学报(自然科学版), 1990, 0(1) |
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| 作者姓名： | 蔡宣三 邢岩 |
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| 作者单位： | 电机工程与应用电子技术系(蔡宣三)，电机工程与应用电子技术系(邢岩) |
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| 摘 要： | 推导了 ＰＷＭ开关变换器的大信号等效电路统一模型。基本假设条件是扰动信号频 率（与开关频率相比）甚低，并工作于连续导电状态。大信号等效电路模型是一个非线 性时域模型，它描述了直流开关变换器基本电路（包括Ｃｕｋ开关变换器）的主要功能： 直流变换、控制、能量传递及低通输出滤波等。可用作ＳＰＩＣＥ－２仿真模型。
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| 关 键 词： | 大信号分析 PWM开关变换器 等效电路模型 平均状态方程 开关型电压调节器 |
A Unified Large Signal Equivalent Circuit Model for PWM Switching Converters |
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| Cai Xuansan,Xing Yan. A Unified Large Signal Equivalent Circuit Model for PWM Switching Converters[J]. Journal of Tsinghua University(Science and Technology), 1990, 0(1) |
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| Authors: | Cai Xuansan Xing Yan |
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| Affiliation: | Cai Xuansan,Xing Yan Department of Electrical Engineering |
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| Abstract: | A unified large signal equivalent circuit model for the PWM switching converters is developed under the assumptions of low frequency disturbances and CCM operations. The large signal model is an equivalent nonlinear circuit model representing in time domain, which describes the essential functions of the basic switching converters (including the Cuk converter), i. e. dc -to-dc conversion, control, energy transfer and low pass output filtering. It can be used as a SPICE 2 model for simulating basic converters. |
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| Keywords: | large signal analysis switching converters equivalent circuit model average state equations switching regulators |
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