绝缘门 meaning in English

insulated door

High frequency switching technique is becoming more popular in the power electronics area , the high frequency power transistors are applied in the buck - boost type chopper system . the characteristics of power mosfet and insulated gate bipolar transistors ( igbt ) , some new kinds of power swithing devices , are deeply studied
高频开关技术是当今电力电子技术发展的方向，本文研究的buck - boost斩波系统中采用了高频功率器件，所以本文对新型开关器件? ?功率mos场效应管[ mosfet ]和绝缘门极晶体管[ igbt ]的特性进行了初步研究。