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SHEET: <br />DRAFTER <br />SIGNATURE <br />PROJECT ADDRESS: <br />REVISION # <br />DATE: <br />12/14/2022 <br />DRAWING <br />TYPE <br />PENGUIN HOME SOLUTIONS TRIPLETT JR, STANLEY <br />1626 TRINIDAD WAY, <br />(714) 679-1808 <br />21860 VAN BUREN BLVD, BLDG 11, SUITE 101, <br />RIVERSIDE, CA 92518 <br />(888) 488 8001 <br />LICENSE#: C-10 1033658 <br />SANTA ANA, CA 92701 <br />PV-6 <br />ELECTRICAL CALCS <br />ASSUMPTIONS: <br />HIGH TEMPERATURE = 37 °C <br />LOW TEMPERATURE = -10 °C <br />ADDED TEMPERATURE FOR CONDUIT RUN ON ROOF = 22 °C <br />90 °C RATED WIRE FOR DC CURRENT <br />75 °C RATED WIRE FOR AC CURRENT THAT TERMINATES AT A <br />BREAKER <br />ELECTRICAL NOTES: <br />· ALL PV MODULES, ARRAY FRAMING AND RACKING SHALL BE GROUNDED PER MFR'S SPECIFICATIONS. <br />· ALL EQUIPMENT WILL BE UL 1703, UL 1741, OR UL 2703 LISTED AND CERTIFIED. <br />· INTEGRATED GROUNDING IN ACCORDANCE WITH THE RACKING MANUFACTURER INSTALLATION <br />INSTRUCTIONS CAN ONLY BE USED FOR BONDING THE MODULES TO THE RACKING WHERE THE <br />SPECIFIC MODULE CATALOG NUMBER HAS BEEN TESTED TO UL2703 STANDARDS BY AN ACCREDITED <br />NRTL. WHERE THE MODULE CATALOG NUMBER IS NOT PART OF THE RACKING SYSTEM APPROVED <br />MODULE LIST, BOND ALL MODULES AND ALL RAILS USING A UL2703 LISTED LAY-IN LUG SUCH AS <br />ILSCO GBL-4DBT. <br />· ALL WIRE TERMINATIONS, SPLICES AND CONNECTIONS SHALL BE MADE USING A LISTED DEVICE OR <br />ELECTRICAL BOX SUITED FOR THE PURPOSE. ALL WIRES NOT IN CONDUIT TO BE PROVIDED WITH <br />STRAIN RELIEF AT ENTRY INTO JUNCTION BOXES. <br />· PROVIDE AND INSTALL CONDUIT EXPANSION FITTINGS, PER MANUFACTURER'S SPECIFICATIONS, IN <br />CONDUIT RUNS WHERE THERMAL EXPANSION IS 0.25" OR MORE, BASED ON RECORD MAXIMUM AND <br />MINIMUM TEMPERATURES FOR THE SITE (SEE NEC TABLE 310.15(B)(2)(C), AND USING EXPANSION <br />COEFFICIENT OF STEEL. <br />· BOTH ENDS OF ALL METALLIC CONDUIT CONTAINING GROUNDING ELECTRODE CONDUCTORS SHALL <br />BE BONDED PER NEC 250.64(E). <br />· PROVIDE AND INSTALL ALL GROUNDING AS REQUIRED BY NEC ARTICLES 250, 690 AND SYSTEM <br />MANUFACTURER. <br />· INSTALLATIONS WHICH USE TRANSFORMER-LESS INVERTERS - PV WIRE-600V/RHW-2 TYPE IS <br />REQUIRED FOR ALL DC WIRE RUNS IN FREE AIR, OR NOT IN CONDUIT. <br />· EACH CURRENT CARRYING CONDUCTOR IN ALL PV SOURCE CIRCUITS OR PV OUTPUT CIRCUITS <br />SHALL BE DISCONNECTED/ FUSED, WHEN NECESSARY. <br />·CONTRACTOR SHALL VERIFY EXISTENCE OF UNDERGROUND UTILITIES PRIOR TO ANY EXCAVATIONS. <br />·ELECTRICAL TRENCH RUNS, WHERE USED, SHALL USE SCHEDULE 40 PVC CONDUIT AND PROVIDE 18" <br />MIN CLEARANCE FROM TOP OF CONDUIT TO GRADE, AND MAGNETIC WARNING TAPE AT 12" BELOW <br />GRADE. 24" CLEARANCE AND SCHEDULE 80 PVC IS REQUIRED IN AREAS WHERE SUBJECT TO <br />VEHICLE TRAFFIC. <br />· CHECK WITH LOCAL JURISDICTION FOR ANY ADDITIONAL FILL AND COMPACTION REQUIREMENTS, <br />SPOILS TREATMENT AND/OR EROSION CONTROL MEASURES PRIOR TO EXCAVATION. <br />· INSTALLATIONS IN LIGHTENING-PRONE LOCATIONS ARE RECOMMENDED TO UTILIZE DC LIGHTENING <br />ARRESTORS IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. <br />·SUPPLY SIDE CONNECTIONS SHALL ONLY BE MADE WITH LISTED AND APPROVED TAPS. <br />·ALL WIRE RUNS SHALL NOT EXCEED 2% CALCULATED VOLTAGE DROP. <br />·USE WATERPROOF FITTINGS FOR ALL EXTERIOR CONDUIT. <br />·GROUNDING CONDUCTOR (DC SIDE OF INVERTER) IS #10 IF IN CONDUIT, OR #6 awg IF EXPOSED AND <br />SUBJECT TO DAMAGE (NEC 690.46). <br />PV MODULE SPECS <br />MAKE <br />MODEL <br />SHORT CIRCUIT CURRENT <br />OPEN CIRCUIT VOLTAGE <br />OPERATING CURRENT <br />OPERATING VOLTAGE <br />NOMINAL POWER <br />11.060 kW (DC) SOLAR ARRAY: <br />(28) JA SOLAR JAM54S31-395/MR/1500V MODULES WITH <br />(28) SOLAREDGE POWER OPTIMIZERS: S440 WITH <br />(1) SOLAREDGE WAVE 7.6KW INVERTER: SE7600H-US (240V) [SI1-JUN20] <br />(1) STRING OF (15) MODULES & (1) STRING OF (13) MODULES <br />POWER OPTIMIZER SPECS <br />MAKE <br />MODEL <br />RATED DC POWER <br />MAX INPUT VOLTAGE <br />MPPT OPERATING RANGE <br />MAX ISC INPUT CURRENT <br />MAX OUTPUT CURRENT <br />BUS BAR RATING 200A <br />MAIN BREAKER RATING 200A <br />TOTAL SOLAR BACKFEED NEEDED 40A <br />MAX ALLOWABLE BACKFEED <br />(200A X 120%) - 200A FEEDER BREAKER = 40A <br />ALLOWABLE = 40A SOLAR, SO OK TO CONNECT <br />(PER NEC 705.12) <br />ALLOWABLE SOLAR BACKFEED <br />CALCULATION AT MSP <br />MAX OUTPUT CURRENT 34.56A <br />1.56 <br />MULTIPLE CONDUCTOR FACTOR 1.0 <br />TEMP CORRECTION FACTOR 0.71 <br />AMPACITY OF #8 WIRE (THWN-2 @ 90 °C) 55A <br />MAXIMUM AMPACITY <br />34.56A * 1.56 = 53.91A < 55A <br />CONTINUOUS DUTY AND HIGH <br />IRIDESCENCE FACTOR <br />DC AMPACITY CALCULATION <br />55A * 1.0 * 0.71 = 39.05A > 34.56A <br />ADJUSTED AMPACITY <br />CALCULATIONS: <br />Vmpp = 400V <br />Vmax = 480V <br />Impp = (28 MODULES) * 395W / 400V = 27.65A <br />Imax = 27.65 * 1.25 = 34.56A <br />INVERTER OUTPUT CURRENT 32A <br />CONTINUOUS DUTY FACTOR 1.25 <br />MULTIPLE CONDUCTOR FACTOR 1.0 <br />TEMP CORRECTION FACTOR 0.88 <br />AMPACITY OF #8 WIRE (USE 75°)50A <br />MAXIMUM AMPACITY <br />32A * 1.25 = 40.0A < 50A <br />ADJUSTED AMPACITY <br />INVERTER OCPD RATING <br />AC AMPACITY CALCULATION FOR 7.6KW INVERTER <br />50A * 0.88 = 44.0A > 32A <br />40A <br />OPERATING OUTPUT VOLTAGE <br />MAX ALLOWED SYSTEM VOLTAGE <br />NUMBER OF UNITS PER STRING <br />MAX POWER PER STRING <br />INVERTER SPECS <br />RATED AC POWER <br />MODEL <br />MAKE <br />TRANSFORMERLESS, UNGROUNDED <br />MAX INPUT VOLTAGE <br />MAX INPUT CURRENT <br />RATED AC VOLTAGE <br />NOMINAL INPUT VOLTAGE <br />AC VOLTAGE RANGE <br />MAX AC OUTPUT CURRENT <br />AC OVERCURRENT PROTECTION <br />SOLAR EDGE <br />S440 <br />440 W <br />60 VDC <br />8 - 60 VDC <br />14.5A <br />15 A <br />60 VDC <br />480 VDC <br />8-18 <br />5700 W <br />SOLAR EDGE <br />SE7600H-US <br />7600W <br />YES <br />480 VDC <br />400 VDC <br />20A <br />240 VAC <br />211 - 264 VAC <br />32A <br />40.0 A <br />36.98V <br />12.81A <br />30.84V <br />395W <br />JA SOLAR <br />JAM54S31-395/MR (395)W <br />13.70A <br />1626 E Trinidad <br />Way01/25/23