TY - BOOK ED - Electricity Council TI - Power system protection SN - 0906048478 V.1 U1 - 629.47445 PY - 1986///, repr.1 990 CY - London PB - The Institution of Electrical Engineers KW - Electric power systems KW - Protection N1 - Includes bibliographical references and index; Contents V.1- Principles and components V.2 Systems and methods V.3- Application V.4 - Digital protection and signalling ER -