1. State Grid Smart Grid Research Institute Co., LTD.,Institute of Electric Power Sensing Technology,Beijing,China,102209
2. Northeastern University,Department of Electrical and Computer Engineering,Boston,USA,Massachusetts 02115
3. Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University,Electronic Materials Research Laboratory,Xi’an,China,710049
4. Winchester Technologies, LLC,Burlington,MA,USA,01803