The authors have successfully developed a type of 120 kVA special frequency convertor. And a new practical drive module 2SD315A was chosen to solve the problems on driving high power IGBT.

• 在 12 0 k VA特种变频器的成功研制中 ,为解决大功率 IGBT驱动问题 ,选用了新型实用的驱动模块2 SD3 15 A。