WZ - All India Radio

2.1 Scope:-SECTION – IIDESIGN FEATURES OF THE EQUIPMENT( As per IS:2026 ( Part-I ) - 1977 with latestamendments )Compliance(Yes/No)Performance fig. ofequipmentofferedDeviationin case ofnoncomplianceOptional items ifany required tomake thesystemcompliantto AIR Specs.Features inthe systemofferedwhichexceedAIR specs.Page noRemarks.This section covers Design feature, supply,installation, testing & commissioning of 750KVA, 11 KV / 415 V, 3 Phase, 50 Hz.Transformers. These transformers are required atSuper High Power stations of All India Radioand shall be used for feeding supply to buildingpower, light load, A/C plants load, transmitterload and broadcasting equipments.2.2 General:-750 KVA, 11KV / 415 V, 3-phase, 50 Hz.transformers shall be copper wound suitable forindoor/ outdoor installation, oil-immersed,naturally cooled, on –load tap changing.Transformer shall be complete in all respect i.e.termination of cable including termination kit onH.T. side lugs on L.T. side shall be provided bysupplier. However cable shall be provided byAIR.2.3 Standard:-The transformer shall generally conform to allprovisions of IS-2026 amended to date :-a) (Part-I) 77 with amendments 1 to 3b) (Part-II) 77 with amendments 1 & 2c) (Part-III) 81 & (Part-III) 77 with amendment2.4 Operational Requirements :-a) Transformer shall be capable of continuousoperation 24 X 7 hrs.b) Transformers should be designed such thatDesktop/tenderxmer /750kva/AHMD/MUM//PANJIPage 44 of 64