1. Department of Electrical Engineering and Smart Grid Research CenterChonbuk National UniversityJeonbuk54896Korea
2. Beijing Oriental Rayzer Technology Ltd.Beijing1000085People's Republic of China
3. Division of Electronic EngineeringChonbuk National UniversityJeonbuk54896Korea
4. Department of IT Engineering and Smart Grid Research CenterChonbuk National UniversityJeonbuk54896Korea