1. High phase order transmission—a feasibility analysis;Stewart;IEEE Trans.,1978
2. 138 kV 12-phase transmission line research;Stewart,1989
3. Six-phase (multi-phase) power transmission system fault analysis;Bhatt;IEEE Trans.,1977
4. Six-phase transmission systems: generalised alpha-beta-zero components and fault analysis;Peeran,1979
5. Fault analysis and component schemes for polyphase systems;Willems;Electr. Power Energ. Syst.,1980