IS: 3231 - Part 3 - Section - 4 - 1987; Specification forElectrical Relays for Power systems protection Part 3; Requirements for Particular Group of Relays Section 4; Directional Relays and power relays

BIS

IS: 3231 - Part 3 - Section - 4 - 1987; Specification forElectrical Relays for Power systems protection Part 3; Requirements for Particular Group of Relays Section 4; Directional Relays and power relays - New Delhi BIS 1987 - 19p

/
Copyright © 2024 Central Power Research Institute, Ministry of Power, Govt. of India, Bangalore. All Rights Reserved.