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ELECTRICAL INFORMATION PV BREAKER BACKFEED CALCULATIONS DESIGN LOCATION <br /> UTILITY ELECTRICAL SYSTEM NEC 705.12(B)—"120%RULE" AND TEMPERATURES BLUE RAVEN <br /> 1-Phase,3-Wire,60Hz, 1201240V (BUSBAR RATING*120%)-OCPD RATING=AVAILABLE BACKFEED ^I An <br /> DATA SOURCE ASHRAE Weather Station Data <br /> NEW PV SYSTEM MAIN SERVICE SUBPANELI SUBPANEL2 STATE Washington 1403 N 630 E <br /> 1-Phase,3-Wire,60Hz, 1201240V PANEL CITY Everett <br /> BUSBAR RATING 1OOA ----A ----A Orem, Utah 84097 <br /> PANEL OCPD RATING NoneA <br /> AC SYSTEM SIZE 6.825kW AC --A --A WEATHER STATION SNOHOMISH CO <br /> DC SYSTEM SIZE 8.82kW DC HIGH TEMP 2%AVG 26°C (800) 377-4480 <br /> AVAILABLE BACKFEED(120%RULE) ##A ##A ##A <br /> PV MODULES PV BREAKER RATING 40A 40A 40A EXTREME MINIMUM TEMP -5°C BlueRavenSolar.com <br /> QUANTITY 21 <br /> TYPE Silfab Solar SIL-420 QD *THESE CALCULATIONS ARE ONLY APPLICABLE IF PV INTERCONNECTION IS A <br /> WATTAGE 420W DC LOAD SIDE BREAKER.*PV BREAKER MUST BE RATED LESS THAN OR EQUAL TO <br /> AVAILABLE BACKFEED FOR CODE COMPLIANCE* <br /> MICROINVERTERS <br /> TYPE Enphase IQ8M-72-M-US <br /> OUTPUT CURRENT 1.35A AC 0 <br /> NOMINAL VOLTAGE 240V AC <br /> OUTPUT POWER 325W AC IL <br /> U <br /> WIRE SIZE SPECIFICATIONS o ) <br /> � � N <br /> MINIMUM CONDUCTOR AMPACITY 18.56A AC 18.56A AC 18.56A AC 35.55A AC 35.55A AC --A AC --A AC --A AC --A AC --A AC A l 01 <br /> CONDUCTOR MATERIAL Cu CU CU Cu CU ---- ---- ---- ---- ---- ♦� N } } <br /> CONDUCTOR TYPE THHN/THWN-2 THHN/THWN-2 THHN/THWN-2 THHN/THWN-2 THHN/THWN-2 -- -- -- -- > O <br /> CONDUCTOR SIZE 12 AWG 10 AWG 10 AWG 8 AWG 6 AWG Q } <br /> CONDUCTOR AMPACITY 30A 40A 40A 55A 75A --A --A --A --A --A U <br /> t _ <br /> AMBIENT TEMPERATURE ADJUSTMENT FACTOR 1 1 1 1 1 ---- ---- ---- ---- ---- <br /> LL <br /> CONDUIT FILL ADJUSTMENT FACTOR 1 1 0.8 1 1 O <br /> ADJUSTED CONDUCTOR AMPACITY 30A 40A 32A 55A 75A ----A ----A ----A ----A ----A 00 IL <br /> WIRE RUN DISTANCE(FT) 72 45 10 5 10 -- -- -- -- -- > <br /> CALCULATED VOLTAGE DROP 0.96% 0.69% 0.15% 0.09% 0.12% 0% 0% 07. 0% 0% LO } <br /> U D <br /> PV CIRCUIT SPECIFICATIONS �j <br /> PRIMARY STRUCTURE DETACHED STRUCTURE w <br /> CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 CIRCUIT 7 CIRCUIT 8 CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 cn <br /> NUMBER OF MODULES PER CIRCUIT 11 10 0 0 0 0 0 0 0 0 0 0 0 E <br /> RATED AC OUTPUT CURRENT(I-T) 14.9A 13.5A O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O <br /> MINIMUM AMPACITY(IOUT x 125%) 18.6A 16.9A O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA 0.0A O.OA O.OA -C <br /> OVERCURRENT PROTECTION RATING 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A O <br /> COMBINED AC OUTPUT CURRENT(C°UT) 28AA O.OA z C <br /> MINIMUM AMPACITY(C-T x 125%) 35.4A O.OA z a N <br /> a <br /> COMBINED PV BREAKER RATING 40AA OAA W 0 <br /> O <br /> � U <br /> O r <br /> TOTAL H im <br /> J U 14 <br /> VOLTAGE DROP PROJECTID: <br /> VOLTAGE DROP 982572 <br /> WIRE TAG#1 0.96% <br /> WIRE TAG#2 0.69% <br /> PV DC SYSTEM SIZE: <br /> WIRE TAG#3 0.15% <br /> 8.820 kW DC <br /> WIRE TAG#4 0.09% <br /> WIRE TAG#5 0.12% PV AC SYSTEM SIZE: <br /> WIRE TAG#6 0% 6.825 kW AC <br /> TOTAL 2.0700007. REVISIONS: <br /> A ---- <br /> AB ---- <br /> �RT SM y 0 ---- <br /> �� aF w a s�i <br /> �� DRAWN BY: <br /> 1 '' A Brendan Fillmore <br /> PLOT DATE: <br /> June 18, 2024 <br /> ,,0 2300 ,97 DRAWING TITLE: <br /> ectrical <br /> NA[,� Calculations <br /> DRAWING NUMBER: <br /> 06/18/2024 PV <br />