Muhmmad Noman Ashraf received his MS degree in Electrical Engineering from, Soongsil University Seoul, South Korea. He became the recipient of a scholarship from the Soongsil University and joined the Department of Electrical Engineering as Research Assistant in 2017 for two years. Currently, He is full time Research Engineer in the industrial company i.e. OKY LTD, in Seoul. His main responsibilities are the complete hardware and control design of Inverter based Dynamic Voltage Compensators (DVCs). Author’s current research interests are industrial system harmonics, smart grid, phase locked loops, and robust voltage and current controllers for the (DVCs), high frequency DC/DC converters.