电流控制型PWM开关变换器的稳定性研究  

The Research on Stability of Current Control Mode PWM Switched Converter

作　　者：张卫平[1] 吴兆麟[1] 

机构地区：[1]浙江大学,杭州310027

出　　处：《电力电子技术》1999年第5期18-20,共3页Power Electronics

摘　　要：给出了峰值电流控制模式稳定性的数学证明，提出了驱动脉冲宽度稳定性概念。结合控制芯片的频率特性，对平均电流控制模式的稳定性进行了研究，提出了最佳补偿网络的概念，得出了几个简洁的理论公式，为电路设计提供了完整的理论根据。The mathematic research on stability of current control mode is discussed in this paper,and a new concept of the driver pulse width stability of the converter is proposed.The stability of average current control mode is researched by combining with the frequency properties of PWM IC.Then the concept of optimum compensating network is introduced.Finally,a few theoretical formulas which can provide theoretical basis for circuit design are deduced.

关 键 词：电流控制 稳定性 脉宽调制 变换器 

分 类 号：TN624[电子电信—电路与系统]