Dong-Gyu Lee Sang-Hee Kang Soon-Ryul Nam Modified Dynamic Phasor Estimation Algorithm for the Transient Signals of Distributed Generators. 419-424 2013 4 IEEE Trans. Smart Grid 1 https://doi.org/10.1109/TSG.2012.2233772 db/journals/tsg/tsg4.html#LeeKN13