Reference | 65-12-4406 |
Date | 9/2/2013 |
Location | Middle East |
Scope | Item 001 QTY=2, Three Phase Transformers hermetically sealed type for outdoor installation (off shore-oil port ) with specifications as following: IP55 , area zone (2) EExde-IIB-T4/T3 Humidity 95% cooling type ONAN continuous duty Ambient temp. 55° c vector group Dyn11 off load tap .changer on HV ± 2 x 2.5 % Rated power 1 MVA , 50 HZ Rated voltage primary 3.3 KV secondary 400/230 V winding material HV , LV copper, HV and LV connection with Elephant nose or equivalent boxes suitable for connect 3.3 kv cables (size 3x70 mm2) XLPE through gland, and 4 cable size 1x240 at LV side through glands terminal box for connecting control cable. protection devices: 1- protection against high temperature (trip + alarm) 2- protection against low oil level (trip + alarm) 3- protection against high pressure (alarm + trip) tank accessories filling and venting nipples oil draining valve pressure relief device name plate for transformer specification two earthling screws two lifting eyes on the cover four traction trolley on the under carriage. Item 002 QTY=4, same as item (1) but 630 KVA Item 003 QTY=2, same as item (1) but 500 KVA (IP65 , EExd -IIB/IIC-T4/T3) |