Thermal stability and uniform field
An optimized outer contour structure enables the bushing to operate near 90°C hot-spot temperature and achieve a uniform radial electric field of about 3.5 kV/mm, resolving the overheating issue of the original design.
Zhang, Shiling · Haoyu, Wang · Qiang, Xiao · Jiang, Xiping
2023
Optimized hot-spot temperature close to 90°C
Prototype passed temperature rise and electrical performance tests