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10/CR:O: 10:28 <br />'8`20877�49�9 CED 9ULLITT <br />n <br />Paqe 7 <br />4.3 vacuum Contactors <br />.O1 Pe�Cformed lneulatlon resietance tests pale to <br />pole, pola to qrcund and eaross vacuurn contacLs.et <br />2500 volts DC, <br />d.a Madium Voltage Switchqear <br />.Ui Pwr.formed tnsulatiioh resistence test3 phase-to- <br />phnse and phase-to-qround on �ach dur soction et <br />25Q0 voJts DC,. <br />K . U �3�$uf,'CS AAID RRC�bTMTND�1�',Yg� <br />5.1 MoloYn <br />.�)i A1] .insuletion resistance tegt.. results wer4 <br />r�onsiderc�d sHt.tafa�tory. <br />5.2 I,ow Voltaq9 MCr_ <br />.O1 Upon i�itlal teating !k wa� not.ed that the °B�� <br />Phaos bus insulation rosistanccr was c�nmidarahly <br />lowor than that af "A" or ��C" Phaae. <br />Thie condition was laolated to the valve <br />CompY4msor No. 1 circ.uit br��ker aompnrtment. <br />The compartmNnt wen duety. <br />jlt ie racommendasj tihat t.his r_ompartment be <br />thorouyhly cleaned at the nexti maintenance <br />intarval. <br />5.� Medium Voltrage MCC <br />.ol The bus insulation resi�rtanco was aonsiderod <br />eatiyEactary. <br />5.q Medium Voltagc Contactdre <br />.OZ The inuul.�tion recictanca nf thase contnetors wi�a <br />conniderad aAtinfactory. <br />9T' d SOO' oN S0� £ V6, T7 Nf1C <br />m001 �� <br />L£68T8890Z�QI H3S'IJOSltim/1,b31•l091NOW <br />