TY - BOOK AU - Ravindra P. Singh TI - Switchgear and power system protection SN - 9788120336605 U1 - 621.317 PY - 2009/// CY - New Delhi PB - PHI Learning KW - Protective relays KW - Electric circuits-breakers KW - Electric power systems KW - Protection N1 - Includes bibliographical references and index ER -