Reference | 148/2014/E |
Date | 3/6/2014 |
Location | Middle East |
Scope | Power transformers with the following specifications: Oil immersed insulation - Primary voltage: 3300V, 50HZ, and 3phase. - Secondary voltage: 380V, 50HZ, and 3phase + neutral. - Off-load tap changer (5 steps)(+5%, +2.5%, 0, -2.5%, -5%). - Copper coils. - Connections delta-star DYN11. - Ambient temperature 55 C max. - Each transformer must be erected in weather proof enclosure IP 43, with lighting ventilating. - Design must be according to IEC standards. Each transformer equipped with: - MV circuit breaker, self powered protection. - Main outgoing circuit breaker (1600 A, for item land 2500A, for item 2) - Four circuit breakers (400 A) for item 1, with auxiliary C.B. - Six circuit breakers (400 A) for item 2, with auxiliary C.B. Power and quantity as follows: 1- 1000KVA QTY: 10 2- 1500KVA QTY: 10 |