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ELECTRICAL CALCULATION <br />E-1.1 <br />ELECTRICAL CALCULATION <br />CUSTOMER INFORMATION <br />NAME&ADDRESS: <br />33°45'23.26"N 117°53'56.29"W <br />APN:004-161-28 <br />AHJ:CA-CITY OF SANTA ANA <br />SYSTEM INFORMATION <br />DESIGNER/CHECKED BY: <br />GV/PI <br />PROJECT NUMBER:RNRR-010696 <br />SCALE:AS NOTED PAPER SIZE:17"x11" <br />HAVERSTICK, CHIAKI <br />2050 W MARTHA LN, SANTA ANA, CA 92706. <br />ENGINEER OF RECORD <br />DATE:9/6/2024 REV:C <br />CONTRACTOR INFORMATION <br />NEW SYSTEM: <br />DC SYSTEM SIZE: 10665W <br />AC SYSTEM SIZE: 7830W <br />CEC AC SYSTEM SIZE: 9762W <br />MODULES: <br />(27)CANADIAN SOLAR CS3N-395MS <br />INVERTER: <br />(27)ENPHASE IQ8PLUS-72-2-US(240V,1PH) <br />BRANCH DETAILS: <br />1 BRANCH OF 13 MICRO INVERTERS (13 MODULES) <br />1 BRANCH OF 11 MICRO INVERTERS (11 MODULES) <br />1 BRANCH OF 3 MICRO INVERTERS (3 MODULES) <br />BATTERY: <br />(4) ENPHASE IQ BATTERY 5P-1P-NA,5kWH <br />BATTERY WITH 6 INTERGRATED <br />IQ8D-BATTERY MICRO-INVERTERS <br />10E. VINE ST, SUITE 216, <br />REDLANDS, CA 92373. <br />TEL:(909) 798-7457 <br />LIC:#B,C39@657221. <br />MODULE SPECIFICATION <br />MODEL CANADIAN SOLAR CS3N-395MS <br />MODULE POWER @ STC 395W <br />OPEN CIRCUIT VOLTAGE:Voc 44.3V <br />MAX POWER VOLTAGE:Vmp 37V <br />SHORT CIRCUIT CURRENT:Isc 11.44A <br />MAX POWER CURRENT:Imp 10.68A <br />MICRO INVERTER SPECIFICATIONS <br />MODEL ENPHASE <br />IQ8PLUS-72-2-US(240V,1PH) <br />POWER RATING 290W <br />MAX OUTPUT CURRENT 1.21A <br />CEC WEIGHTED EFFICIENCY 97% <br />MAX NO OF MICRO INVERTERS/BRANCH 13 <br />MAX DC VOLTAGE 60V <br />ELECTRICAL NOTES: <br />1. MAXIMUM DC/AC VOLTAGE DROP SHALL BE NO MORE THAN 2%. <br />2. BREAKER/FUSE SIZES CONFORMS TO CEC 240.6 CODE SECTION. <br />3. AC GROUNDING ELECTRODE CONDUCTOR SIZED PER CEC 250.66. <br />4. AMBIENT TEMPERATURE CORRECTION FACTOR IS BASED ON CEC 690.31(C). <br />5. AMBIENT TEMPERATURE ADJUSTMENT FACTOR IS BASED ON CEC 310.15(B)(2)(C). <br />6. AX. SYSTEM VOLTAGE CORRECTION IS PER CEC 690.7. <br />7. CONDUCTORS ARE SIZED PER WIRE AMPACITY TABLE CEC 310.16. <br />8. CONDUCTORS EXPOSED TO SUNLIGHT SHALL BE LISTED AS SUNLIGHT RESISTANT PER CEC <br />310.0(D). <br />9. CONDUCTORS EXPOSED TO WET LOCATIONS SHALL BE SUITABLE FOR USE IN WET LOCATIONS <br />PER CEC 310.8(C). <br />CONDUIT SCHEDULE <br />TAG ID CONDUIT SIZE CONDUCTOR NEUTRAL GROUND <br />1 NONE (2) 12 AWG ENPHASE Q CABLE <br />PER BRANCH CIRCUIT NONE (1) 6 AWG BARE COPPER <br />1A NONE (2) 12 AWG ENPHASE Q CABLE <br />PER BRANCH CIRCUIT NONE (1) 6 AWG BARE COPPER <br />1B NONE (2) 12 AWG ENPHASE Q CABLE <br />PER BRANCH CIRCUIT NONE (1) 6 AWG BARE COPPER <br />2 <br />(E) 1-1/4" SCH 40 PVC <br />(BELOW GROUND) <br />3/4" SCH 80 PVC <br />(ABOVE GROUND <br />(2) 10 AWG THHN/THWN-2 NONE (1) 10 AWG THHN/THWN-2 <br />2A <br />3/4" SCH 40 PVC <br />(BELOW GROUND) <br />3/4" SCH 80 PVC <br />(ABOVE GROUND <br />(2) 10 AWG THHN/THWN-2 NONE (1) 10 AWG THHN/THWN-2 <br />2B 3/4"EMT OR EQUIV (2) 10 AWG THHN/THWN-2 NONE (1) 10 AWG THHN/THWN-2 <br />3 3/4"EMT OR EQUIV (2) 8 AWG THHN/THWN-2 (1) 8 AWG THHN/THWN-2 (1) 10 AWG THHN/THWN-2 <br />3A 3/4"EMT OR EQUIV (2) 4 AWG THHN/THWN-2 NONE (1) 8 AWG THHN/THWN-2 <br />4 1"EMT OR EQUIV (2) 4 AWG THHN/THWN-2 (1) 4 AWG THHN/THWN-2 (1) 8 AWG THHN/THWN-2 <br />5 1"EMT OR EQUIV (2) 3 AWG THHN/THWN-2 (1) 3 AWG THHN/THWN-2 (1) 8 AWG THHN/THWN-2 <br />6 3/4"EMT OR EQUIV (2) 12 AWG THHN/THWN-2 NONE NONE <br />7 1-1/4"EMT OR EQUIV (2) 1 AWG THHN/THWN-2 (1) 1 AWG THHN/THWN-2 (1) 6 AWG THHN/THWN-2 <br />8 1-1/4"EMT OR EQUIV <br />(2) 8 AWG THHN/THWN-2 <br />(1) 10 AWG THHN/THWN-2 <br />(1) 10 AWG THHN/THWN-2 <br />(1) 10 AWG THHN/THWN-2 <br />(2) 3 AWG THHN/THWN-2 <br />(1) 3 AWG THHN/THWN-2 (1) 8 AWG THHN/THWN-2 <br />AC WIRE CALCULATIONS:- MATERIAL:COPPER & TEMPERATURE RATING:90°C <br />TAG <br />ID REQUIRED CONDUCTOR AMPACITY CORRECTED AMPACITY CALCULATION TERMINAL RATING CHECK DERATED CONDUCTOR AMPACITY CHECK <br />1 1.21 X 13 =15.73 X 1.25 =19.66A 30 X 0.96 X 1 =28.80A 19.66A <25A 19.66A <28.80A <br />1A 1.21 X 11 =13.31 X 1.25 =16.64A 30 X 0.96 X 1 =28.80A 16.64A <25A 16.64A <28.80A <br />1B 1.21 X 3 =3.63 X 1.25 =4.54A 30 X 0.96 X 1 =28.80A 4.54A <25A 4.54A <28.80A <br />2 1.21 X 13 =15.73 X 1.25 =19.66A 40 X 0.96 X 1 =38.40A 19.66A <35A 19.66A <38.40A <br />2A 1.21 X 11 =13.31 X 1.25 =16.64A 40 X 0.96 X 1 =38.40A 16.64A <35A 16.64A <38.40A <br />2B 1.21 X 3 =3.63 X 1.25 =4.54A 40 X 0.96 X 1 =38.40A 4.54A <35A 4.54A <38.40A <br />3 1.21 X 27 =32.67 X 1.25 =40.84A 55 X 0.96 X 1 =52.80A 40.84A <50A 40.84A <52.80A <br />3A 16 X 4 =64.00 X 1.00 =64.00A 95 X 0.96 X 1 =91.20A 64.00A <85A 64.00A <91.20A <br />4 70 X 1 =70.00 X 1.00 =70.00A 95 X 0.96 X 1 =91.20A 70.00A <85A 70.00A <91.20A <br />5 100 X 1 =100.00 X 1.00 =100.00A 115 X 0.96 X 1 =110.40A 100.00A ≤100A 100.00A <110.40A <br />7 125 X 1 =125.00 X 1.00 =125.00A 145 X 0.96 X 1 =139.20A 125.00A <130A 125.00A <139.20A <br />ELECTRICAL CALCULATION <br />OCPD CALCULATIONS: <br />MAIN PANEL RATING:225A, <br />MAIN BREAKER RATING:200A <br />120% RULE: (225AX1.2)-200A=70A =>ALLOWABLE <br />BACKFEED IS 70A <br />INVERTER OVERCURRENT PROTECTION= INVERTER O/P <br />I X CONTINUOUS LOAD(1.25)X #OF INVERTERS <br />=(1.21x1.25x27)+(16x4)+20=124.84 A <br />=>PV BREAKER = 70A <br />ALLOWABLE BACKFEED 70A =>70A PV BREAKER <br />THE DESIGNED INTERCONNECTION MEETS THE <br />705.12(B)(2) REQUIREMENTS <br />C <br />2050 W Martha Ln <br />9/16/2024