Introduction of KEPCO’s HVDC East-West Power … Dr. Arman Hassanpoor, HVDC R&D Manager – Grid Integration – ABB (China) Ltd. … with thyristor semiconductor … t [A. ] time [µs]. IF= 2 kA, VDC= 2800 V, Tj=125 °C, Ls = 150nH. IF. Vdiode. Download