同时，采用专用芯片SG3525来产生脉宽调制电路，由IR2110组成的驱动电路来驱动绝缘门极双极晶体管（IGBT）。
Special chips, such as SG3525 and IR2110 are also used to generate PWM and to drive the IGBT.
介绍了绝缘门极双极性晶体管（IGBT）的基本结构、工作原理、开关特性，以及在焊接逆变器中的应用。
The paper introduces the basic structure, working principle and switching feature of IGBT and its application to the converter used for welding.
晶体管门电路比起二极管门电路来有一个显著的优点，那就是晶体管除了起门的作用外还能够放大。
The transistor gate has a distinct advantage over the diode gate in that the transistor amplifies, as well as acts as a gate.
晶体管门电路比起二极管门电路来有一个显著的优点，那就是晶体管除了起门的作用外还能够放大。
The transistor gate has a distinct advantage over the diode gate in that the transistor amplifies, as well as acts as a gate.
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