7Wang Chonglin, Liang Rui, Liu Jianhua, et al. Analysis on principle of operation of arc:suppression coil based on thyristor controlled reactor[C]. The Eighth International Conference on Electrical machines and Systems. Nanjing, China, 2005.
8Sidhu T S. Accurate measurement of power system frequency using a digital signal processing technique[J]. IEEE Trans on Instrumentatlon and Measurement, 1999, 48(1) : 75-81.
9Liang Rui. The asc-suppressing coil with three phases and five columns based on Changing[C]. Magnetic Coupling to Adjust Inductance CICED. Beijing, China, 2006.
