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O 1997 Portland General Electric. All rights reseryed. <br />~ <br />1 SET 3-350 KCM XL POLY <br />_.......-- -----------------•--•--- -------•~ •-~-------• 1-4/0 XLP NEUT <br />3-75 <br />~ 7200V ' - PGE -- - <br />_1 3-~2 A~ 277/480V I'! SECONDARY ~~,^ r-. ~,--;~ • <br />i,.' ~ DB i ~ I' I ~--~r ~ . <br />~S: ~ ------ <br />.,._ <br />4 : _ . . _ . , . • ; _ TERNAINAL` x •;- ' S;.;_,' . - . ~ - " . _`~i..:~~: <br />• ,- . CABINET <br />•------•-------- ••------ VA~~T----------------•-•---' <br />(a) SING~E TRANSFORMER BANK - SINGLE CUST~~AER <br />3P-OH LINE <br />LOAOBREAK <br />CUTOUT <br />~-------~--.. ...--~-~---._----~---~--------....-----~----~ <br />CUST. BUS. <br />~~ ~ , ~ pC,E ~ EXTENSION <br />~ 7200V/ ) i SECONDAR <br />12470 Y 1 t <br />-' ~ ~ ~ 120208V <br />3-PHASE PAD <br />VAULT <br />...... ...----..... _...--------~--~--~-------.... <br />(b) VAULT SERVED FROM OVERHEAO SYSTEM <br />~ <br />. ...... .......~-------......-~---....--~-~ - -- - ._.....-------- <br />7200V/12470 ~ <br />500 KVA 120208V <br />TO CUST. BUS. OR PGE <br />SEC TO CUST. TERM. <br />~ i <br />3-#2 AL <br />7200V/12470 - <br />`i' <br />1000 KVA - - 277/480V <br />- ........ . . - - - - ~ - <br />(c) MULTI-TRANSFORMER VAU~T - PARALLEL OR INOIViDUAL OPERATION <br />FIGURE 1: Electrical One-Line Diagram - Commercial Buildings Services <br />PGE PROPRIETARY MATERULL - THIS INFO IS BASED ON ASSUMPTIONS 3 CRfTERU1 WFitGi MAY NOT BE VALIO OU7SIOE TNE PGE ELECTRIC SYSTEM - FOR INTERNAL USE ONIY <br />UNDERGROUND BUILDING CLASS A X DESIGN CONSTRUCTION <br />VAULTS T&D STANDARDS <br />UNDERGROUND DATE 08-09-96 <br />P.G.E. CO. STANDARD LD-310-07-03 <br />~~e ~~i~~~ ~'~`~"'~e ~- <br />