P. S. Babu and S. J. Kumar, Accelerated Fourier Algorithm based Digital Multifunction Relay for Transmission Line Protection, Fifteenth National Power Systems Conference, Bombay, pp.23-27, 2008.
DOI : 10.7763/ijcee.2011.v3.294

C. Zhang, Y. Huang, and X. Wang, Application and research of new algorithm for microcomputer-based transformer relaying protection, Relay, issue.2, pp.3-27, 1997.

J. Liu and T. Sun, Application of Fourier algorithm based on FFT in microcomputer-based relay protection, Relay Xuchang, vol.30, issue.10, pp.32-56, 2004.