低电压大电流逆变电路的缓冲保护电路的设计非常重要。本设计是在传统的RCD放电阻止型吸收电路的基础上加以改进,提高传统RCD缓冲保护电路的过电压吸收能力,改进后的电路结构简单且有很高的通用性。本设计结合动力逆变电路具体情况,设计出高效、简单及可靠的过电压防护电路,通过实验验证改进型RCD缓冲电路大幅度减小浪涌电压符合设计需要。 Low-voltage high-current inverter circuit buffer protection circuit design is very important. The design is based on the traditional RCD discharge-blocking absorption circuit to improve, improve the traditional RCD buffer protection circuit over-voltage absorption capability, the improved circuit structure is simple and has a high versatility. The design combined with the specific situation of power inverter circuit, designed to be efficient, simple and reliable over-voltage protection circuit, the experimental verification of improved RCD snubber circuit greatly reduce the surge voltage in line with design needs.