Electrical Power System Protection

Preface. List of Symbols. Fuses. Current transformers. Voltage transformers. Overcurrent and earthfault protection. Current-differential protective schemes. The protection of transformers. The protection of rotating machines. The protection of busbars. The protection of overhead lines and cables by current-differential schemes. Interlock and phase comparison schemes for the protection of overhead lines. Distance-type protective schemes for overhead lines and cables. Ultra-high-speed schemes for the protection of long transmission lines. Appendix A: the testing and application of power-system protective equipment. Appendix B: Percentage and per-unit quantities. Appendix C: transformations of three-phase quantities. Appendix D: the determination of power-system behaviour using symmetrical components.