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Gyugyi, L.; Schauder, C.D.; Sen, K.K. (2017-11-07). "Static Synchronous Series Compensator: A Solid-State Approach to the Series Compensation of Transmission Lines". IEEE Power Engineering Review. 17: 62. doi:10.1109/MPER.1997.560708. Retrieved 2017-12-15. https://ieeexplore.ieee.org/document/560708