基于死区移位调整的上下桥臂热均衡方法

杨雁勇,李武华,张品佳

Technique for temperature equalization of upper and lower arms based on dead-time shifting adjustment

Yanyong YANG,Wuhua LI,Pinjia ZHANG

表 3 桥臂上、下管在热管理前、后的导通时间及损耗功率

Tab.3 Conduction time and conduction loss power of upper and lower arm before and after thermal management

是否采取热管理 $ {\mu }_{\mathrm{o}\_ \mathrm{U}} $/% $ {P}_{\mathrm{o}\_ \mathrm{U}} $/W $ {\mu }_{\mathrm{o}\_ \mathrm{L}} $/% $ {P}_{\mathrm{o}\_ \mathrm{L}} $/W 热管理前 49.5 1.82 49.5 1.82 热管理后 51.5 1.89 47.5 1.75