1. School of Electrical and Computer Engineering, University of Georgia, Athens, GA, USA
2. College of Electronics and Information Engineering, Tongji University, Shanghai, China
3. General Electric Research Center, Niskayuna, NY, USA
4. Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China
5. Smart Grid - Emerging Technology, ComEd, IL, USA
6. Department of Electrical Engineering and Computer Science, University of Arkansas, Fayetteville, AR, USA