Liquid Dielectric Transformers - Power Transformers 110/20Kv 40 Mva. The Equipment Will Be Mounted In The Delphi Transformation Station In Iaai County, A Transformation Station With A Special Importance In Terms Of The Number Of Consumers Feed In Order To Strengthen The Existing Network And Taking Into Account The Development Perspective. By Replacing The Existing Transformers With New Equipment, The Technical Conditions Necessary To Connect Several Consumers To The Network Will Be Created. Requested Quantity: Three -Phase Power Transformer 110/20 Kv, Usc = 11%, Yod11-40 Mva - 2 Pieces. The Purchased Transformers Will Be Of Ttu-Onan Type. The Ttus-Onaf Type Transformers Are Also Accepted Under The Following Conditions Specified In The Technical Specification Point 2.3.1: A) For Powers Less Than Or Equal To 40 Mva, If The Functioning With Natural Cooling Is Guaranteed To The Nominal Power, And The Forced Ventilation Only Ensures Overload (Over The Nominal Power. The Power Transformers Of 110 Kv/Mt Will Be, According To The Provisions Of The European Directive 2009/125/Ec (Or Equivalent), Expressed By The Maximum Efficacy Index [%] The Standards Mentioned In This Technical Specification St 139_A11 Also Accept The Equivalence With Other Standards, Provided That The Minimum Technical Requirements Imposed.
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