1. Fundamental basis for distance relaying with symmetrical components;Phadke;IEEE Trans.,1977
2. A microcomputer based symmetrical component distance relay;Phadke,1979
3. Symmetrical component based improved fault impedance estimation method for digital distance protection;Waikar,1993
4. A polyphase digital distance relay;Sachdev;Trans. Eng. Oper. Div., Can. Electr. Assoc.,1987
5. TMS-32020 User's Guide,1987