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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Simplified analysis of PWM converters using model of PWM switch. Continuous conduction mode
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Simplified analysis of PWM converters using model of PWM switch. Continuous conduction mode

机译：使用PWM开关模型简化了PWM转换器的分析。连续导通模式

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摘要

A circuit-oriented approach to the analysis of pulsewidth modulation (PWM) converters is presented. This method relies on the identification of a three-terminal nonlinear device, called the PWM switch, which consists of only the active and passive switches in a PWM converter. Once the invariant properties of the PWM switch are determined, its average equivalent circuit model can be derived. This model is versatile enough to easily account for storage-time modulation of bipolar junction transistor(s) (BJTs); the DC- and small-signal characteristics of a large class of PWM converters can then be contained by a simply replacing the PWM switch with its equivalent circuit model. The methodology is very similar to linear amplifier circuit analysis, whereby the transistor is replaced by its equivalent circuit model.
机译：提出了一种面向电路的脉宽调制（PWM）转换器分析方法。该方法依赖于三端非线性器件（称为PWM开关）的识别，该器件仅由PWM转换器中的有源和无源开关组成。一旦确定了PWM开关的不变特性，就可以得出其平均等效电路模型。该模型具有足够的通用性，可以轻松解决双极结型晶体管（BJT）的存储时间调制问题。通过简单地将PWM开关替换为其等效电路模型，便可以包含大型PWM转换器的DC和小信号特性。该方法非常类似于线性放大器电路分析，其中晶体管被其等效电路模型取代。

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