Key Technologies for Developing a 420 kV 50 kA GCB Interrupter Unit

K. Ibuki, T. Yonezawa, T. Yoshizumi, and H. Kuwahara Itami Works Mitsubishi Electric Corporation Amagasaki, Japan causes the unregulated wearing which is observed also in pure PTFE. The lower limit of the content was discussed by estimating the thermal penetration depth Dp. The depth Dp was defined as the depth at which the energy higher than 7J/cm2 can… CONTINUE READING