缓冲电路（Snubber Circuit）又称为吸收电路。其作用是抑制电力电子器件的内因过电压、du/dt或者过电流di/dt,减小器件的开关损耗。缓冲电路可分为关断缓冲电路和开通缓冲电路。-Snubber circuit (Snubber Circuit) is also known as the snubber circuit. Its role is to curb the power electronic devices is precluded by over-voltage, du/dt, or over-current di/dt, reducing the device switching losses. Snubber circuit can be divided into turn-off snubber circuit and snubber circuit opened.