Zhiqiang, Wang, Bian Jing, Wang Yawei, and Li Guofeng. 2013. “A Novel Algorithm of Fundamental Positive Sequence Voltage Detector under Unbalanced and Distorted Voltages”. International Journal of Online and Biomedical Engineering (iJOE) 9 (3):pp. 61-66. https://doi.org/10.3991/ijoe.v9i3.2652.