China’s Pinggao Electric develops world’s first 800 kV 80 kA circuit breaker

Pinggao Electric Company Limited, a Chinese high-voltage equipment manufacturer and a subsidiary of State Grid Corporation of China (SGCC), in collaboration State Grid Shaanxi Electric Power, Xi’an Jiaotong University, and the China Electric Power Research Institute, has successfully developed and type-tested the world’s first 800 kV 80 kA circuit breaker at the State Grid (Changzhou) […]