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. . <br /> . ,� <br /> SECTiON 15J10 • SECONDARY UNiT SUBST�1Ti0;75: continued <br /> 2.09 4EDIUM VOLTACE FVSES: <br /> A. Fuse: Enelosed cu:rent li�aiting, nonexpulsion t/pa suitable Eur use <br /> outdoors in enclosure. t <br /> B. Fuse Rating: E raced fuse, size as indieated. <br /> C. Voltage: 15 kV, <br /> D. Interrupting Rating: SOk amperes rms symmeezieal. <br /> 2. 10 ,���PTABLE f1AWFACTL�ERS • DRY TYPE '[bi0 ViNUINC TRANSFOR?tE4S: <br /> A. I.i.C. <br /> B. Squara "D". <br /> � C. Ceneral Eleetric. <br /> D. ABB. <br /> 2. 11 DRY TYPE TWO VI:7DIYC TRA.�SFOR>!ERS: <br /> A. Dry iype M iransformers: A.�SI/�!E!U ST20; faetory•asaembl�d, •ir <br /> eooled dry type t:ansfoners; ratings as shovn on ehe Oravings <br /> Schadule. <br /> B. Insulation system and avezage vinding temp�ratura risa for ratad kVp as <br /> follovs: <br /> �jpt CLass Riae fdeerees C) <br /> 750 220 80 <br /> C. 4'hen foreed air ventilaeiacr (FA) is appliad, eha eapacity of tha <br /> eransformars shall increase 371 vieh no measurable losa of insulation <br /> life. <br /> D. Case temperature shall not exeeed 35`�: rise abave ambient at its <br /> varmast point. <br /> E. t7inding 'taps: Tvo 2-1/2� above and twa 2-1/2t b�lav rat�d voltage, <br /> full capacity taps on primary winding. __._ _ _ <br /> �-h��� , F. Saund Levele: ANSI/NF2iA ST20. g <br /> Basic Impulsa Lavel: �0�tdkV. ��p, yK 540SSlTnNo.ne�fly`��E 8r <br /> OMu�LT MN LFO�tM(R <br /> n 8opper eore and eoil assembly eo anc osure y means o <br /> flexible eopper grounding atrap. �p, <br /> � :..:- �. <br /> I. Coil Conductors: Continuous eoppat vindin6s vith terminaeions brazed � T�+�S *t ' <br /> or veldad. T:.�r 1 <br /> J. Enelasure: ANSI/NE"!A 52 20; Type JR. Provide atzuctural steal base <br /> suicable for skidding or rolling in any direction. <br /> K. Isolate core and coil from enclosure using vibratlon-absorbing mounts. <br /> L. Nameplate: Include tran�fo�mer connection data and ovarload eapacicy <br /> —�' based on .�fb�' allovableticemperature riset �w�� 4o"C o.�"�o�[.wr. <br /> � H. Transfarmer shall be an IEEE K•4 rated transformer. <br /> 1�^�lrwr/� • N. Surge Arrestors: Metal Oxide Varisto Dintribution class, ratad <br /> o�n, �. RA�ir+ <br /> ^�p��6�1'kV (MCOV) ;��v��' ie, ins all an close to high voltage <br /> � -terminals as possible. <br /> ti� „ �;�,�, bti A►.1�.L C42, II � 14g'1 r-oz VIJC9M1OJNOt�O♦ <br /> 1Z _`k��(�..'`''�R� �NQ �ra �iN� s�rs-rcr-� Vo�r�►bE , . �� <br /> 2. 12"—� r�n�cu naic—vrcrtn�O�T, �s <br /> A. A solid state monitoring devicc shall ba used to indicate nnd alarm y�?:,� � '' <br /> vinding Cempera:ures in all three eoils. Tha monitor shall <br /> eantinuously scan all three coils, atart-seop fans, alarm and shutdown <br /> vhen the present sac-point has been exeaaded. • <br /> 16]10-4 BOE16710.911 <br />