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REVISIONS W SOLAR ARRAY, INVERTER AND TRANSFORMER TO MEDIUM VOLTAGE OUTPUT TO UTILITY U) EQUIPMENT AREA #1 I EQUIPMENT AREA #2 PRELIM LAYOUT 08/14/25 0 ( ) XFMR 1 N PV SWITCHGEAR 1 P01 PRELIM LAYOUT 07/31/25 INV-01 3000A, 80OV, 3�, 4W, NEMA3R, 800V WYE /12kV DELTA I 38.044912% - 121 .095931 ° CPS SCH275KTL-DO/US INVERTER of 250KW, 800VAC, 1500VDC MAIN BREAKER W/ TRANSFORMER >_ ANTI—ISLANDING IEEE 1547 COMPLIANT, METERING SECTION 3000KVA w/ FUSE/DISCONNECT TO PG&E 12KV o UL 1741 SA LISTED _ _ _ _ _ Z=5% _ _ _ FEEDER NAME: LINDEN 1 103 0 - - - - - - - - - - SOURCE CIRCUIT (TYP. OF 12) T - - -31 0 _ _ _ _ _ NEW 3-PHASE OVERHEAD WIRE 05 PANELS / STRING I I 3000A I I Y ACURRENT I I 119/120 STRINGS / INV — I I 3P I I LIMITING I BY UTILITY 60HZ FUSE I I I INVERTER I I I I I BREAKER I 1250A, 3P 1 i I BREAK I I o �L AD m g 1 I I SWITCH I I I W M -t � o FROM OTHER N TO SCADA LOOP 1 250A, 3P I GFP 1 3 I POLE- 1 w rn co L SOURCE CIRCUITS i ( )10.2KV MCOV I I � I 1 SURGE 250A, 3P I I ARRESTOR I UTILITY SCADA 1 52 I ~ - - - - - - I RECLOSER I I Q ~ w o w _ I w v w z FROM OTHER ' 1 ' I I I L - - - - - - J W UJ � Q O STRING SOURCE CIRCUIT . I . I METER TEST a U) � a INVERTERS I W >_ w 05 PANELS / STRING I250A 3P I I N25' SWITCH (TYP.) O w z 119/120 STRINGS / INV — 1 -� INVERTER I i 250A, 3P I i W O � 0 AC I I I POLE-2 F- - - - - - - - - - - - - a z BREAKER I 1250A, 3P I I I p FROM OTHER I I I UTILITY REVENUE METER I I ,,, TO SCADA LOOP I I I POINT OF COMMON COUPLING(PCC) I O SOURCE CIRCUITS 125A, 3P I I I I I o I I I I CAISO I Q - - - - - - L - - - - - - - - - - - - - ' I BACKUP I C/) INV-12 I I METER I I 1 co co AUX PANEL I O 800V AUX PANEL z 480V 120/240V z w v 00 0 POLE-4 CAISO o > Y N w 480V 3�/3W F120/240V 1 /3W r - - - - - - - - 7 I METER I � w a z UTILITY AC DISCONNECT 15KV, I 1 z cD 600A, 3x, ACCESSIBLE WITH i i cy a oz w 40A/2P 40A/2P I 1 1 Q 0 Q z a LOCK PROVISION I PG&E 1 Q ca -1 o FOR DAS, II AND VISIBLE BLADE I METER I o N FOR ATI ^ LIGHTING, TRACKER ^ OUT,LETS Iod INERTIA LI N EBOSS i I I n L26SLSUG 1 423P4 II II (D C/) GANG OPERATED AIR L_ - - - - z w L - - - - - - - - J - - - - - - - - - - - - - - a w z a BREAK SWITCH f) zLD0 V) Cy (D co c) wzwcn Co W a Q (3)-1/C, #3/0 AWG, AL, 15KV PROJECT AAAC OVERHEAD WIRE �25' i POLE-3 L.L CUSTOMER RECLOSER WITH J o 0 PROTECTION RELAY (SEL 651 R) U) U (� - - - - - - - - - - - - - - - - - - - - - - - 0 U � I I Q c 52 O O Op N ZU � � cy) � Q W z N I I 0 C'7 W L(� 1 59 059N 51G I Z (y) Q L0 Z I 27 81U 79 51C I � � Z Q 00 Q O 0 r-- J U J J SYSTEM SPECIFICATIONS I SHEET TITLE SYSTEM SIZE DC 3,810.70 kW 1 AC I/P, DC O/P 1 SYSTEM SIZE AC 3,000.00 kW POWER SUPPLY DC/AC RATIO 1 .27 MODULE MANUFACTURER FIRST SOLAR MODULE MODEL FS-753OA—TR1 1 SEE NOTE 5 1 MODULE RATING 530 W 1 (BATTERY 1 BACKUP) 1 TOTAL MODULE QTY 7,190 1 UPS-3 1 MODULES PER STRING 5 TOTAL NO. OF STRINGS 1 ,438 1 1 S N G L E LINE INVERTER MODEL CPS SCH275KTL—DO/US J DIAGRAM INVERTER RATING 250 kW GENERAL NOTES INVERTER QTY 12 STEP—UP TRANSFORMER 800V WYE /12KV DELTA, 3000kVA 1 . AC MV CIRCUITS SHALL BE INSTALLED AND INTERCONNECTED WITH UTILITY, PER UTILITY SPECIFICATIONS. 2. ALL ELECTRICAL WORK SHALL BE IN ACCORDANCE WITH THE 2023 EDITION OF NATIONAL ELECTRIC CODE. 3. ALL DC AND AC EQUIPMENT, WHERE APPLICABLE, SHALL BE LISTED AND LABELED PER RECOGNIZED ELECTRICAL TESTING LABORATORY AND INSTALLED PER THE LISTING REQUIREMENTS, THE MANUFACTURER'S INSTRUCTIONS AND IN ACCORDANCE WITH NEC. S 1 N G � E LINE DIAGRAM 4. RECLOSER CONTROL SETTINGS TO BE COORDINATED WITH UTILITY AND CONTRACTOR.5. RELAY TO BE PROVIDED WITH 8—HOUR BATTERY BACK—UP. 6. UTILITY RIG, METER, WEATHER STATION AND ASSOCIATED COMMUNICATIONS EQUIPMENT TO BE PROVIDED WITH BATTERY SCALE: AS SHOWN BACK—UP PER UTILITY REQUIREMENTS. DRAWN: LR 7. ALL BREAKERS AND DISCONNECT SWITCHES ARE CLOSED UNDER NORMAL OPERATING CONDITIONS UNLESS OTHERWISE NOTED. DATE: 08/14/25 8. THIS DRAWING REPRESENTS A CONCEPTUAL INTERCONNECTION SCHEME. THE INTENT IS TO COMMUNICATE PROJECT SPECIFIC EQUIPMENT, SIZE AND NEGOTIATE THE INTERCONNECTION DETAILS WITH THE UTILITY. THIS DRAWING HAS NOT BEEN ISSUED FOR CONSTRUCTION PURPOSES. THE DEVELOPER OR CONTRACTOR IS RESPONSIBLE FOR ENSURING A NOT FOR CONSTRUCT0N , E 10 1 FOR A D SCUSS 0 O Y , SYSTEM DESIGN IS COMPLETE AND APPROVED BY AN APPROPRIATELY LICENSED ENGINEER PRIOR TO PROCUREMENT AND CONSTRUCTION. SHEET 2 OF 2 THIS DRAWING AND ITS CONTENTS ARE THE PROPERTY OF SEQUOIA ENGINEERING AND DESIGN ASSOCIATES AND MAY NOT BE USED OR REPRODUCED WITHOUT WRITTEN PERMISSION.