10180294_1918 S. ORANGE - Plan - Laserfiche WebLink

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ELECTRICAL CALCULATIONS FOR PVI-6000-OUTD-US OPERATION VOLTAGE= 8 X 54.7= 437.6 V OPERATING CURRENT= 2 X 5.98= 12.0 A MAX PV VOLTAGE & CURRENT CALC'S FOR PVI-6000-OUTD-US RECORD LOW TEMP.(°C): 2 TEMP.COEFF (V/°CT -0.1766 OPEN CIRCUIT VOLTAGE(Voc): 64.9 MAX PV SYSTEM VOLTAGE (PER NEC 690.7) (-0.1766)x(-(25-(2))x8)+(64.9x8)= 551.7 V MAX PV CONTINUOUS CURRENT PER NEC 690.8(A)(1): 1.25 x Isc x # STRINGS 1.25 x 6.46 x2= 16.2 A DC CONDUCTOR AMPACITY CALC'S # OF STRINGS PER INVERTER: 2 # OF INVERTERS PER CONDUIT: 2 (FROM ARRAY TO INVERTER) EXPECTED WIRE TEMP. (°C): 53 TEMP CORRECTION PER TABLE 310.16: 0.76 # OF CURRENT CARRYING CONDUCTORS: 4 CIRCUIT FILL CORRECTION PER TABLE 310.15(B)(2)(a): 0.8 CIRCUIT CONDUCTOR SIZE: AWG 10 THWN-2 REQUIRED CIRCUIT CONDUCTOR AMPACITY PER NEC 690.8 (A&B) (FROM PANELS TO INVERTER): 1.25 x 1.25 x Isc x# PER STRING 1.25 x 1.25 x 6.46 x1= 10.1 A ELECTRICAL CALCULATIONS FOR PVI-5000-OUTD-US (MPPT 1) OPERATION VOLTAGE= 8 X 54.7= 437.6 V OPERATING CURRENT= 1 X 5.98= 6.0 A MAX PV VOLTAGE & CURRENT CALC'S FOR PVI-5000-OUTD-US (MPPT 1) RECORD LOW TEMP.(°C): 2 TEMP.COEFF (V/°C): -0.1766 OPEN CIRCUIT VOLTAGE(Voc): 64.9 MAX PV SYSTEM VOLTAGE (PER NEC 690.7) (-0.1766)x(-(25-(2))x8)+(64.9x8)= 551.1 V MAX PV CONTINUOUS CURRENT PER NEC 690.8(A)(1): 1.25xlscx#STRINGS 1.25 x 6.46 x8= 8.1 A ELECTRICAL CALCULATIONS FOR PVI-5000-OUTD-US (MPPT 2) OPERATION VOLTAGE= 7 X 54.7= 382.9 V OPERATING CURRENT= 1 X 5.98= 6.0 A MAX PV VOLTAGE & CURRENT CALC'S FOR PVI-5000-OUTD-US (MPPT 2) RECORD LOW TEMP.(°C): 2 TEMP.COEFF (V/°C): -0.1766 OPEN CIRCUIT VOLTAGE(Voc): 64.9 MAX PV SYSTEM VOLTAGE (PER NEC 690.7) (-0.1766)x(-(25-(2»xD+(64.9x7)= 482.7 V MAX PV CONTINUOUS CURRENT PER NEC 690.8(A)(1): 1.25 x Isc x # STRINGS 1.25 x 6.46 x 1 = 8.1 A DERATED AMPACITY OF CIRCUIT CONDUCTOR PER NEC TABLE 310.16 TEMP. CORR. PER NEC 310.16 x CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a) x CIRCUIT CONDUCTOR AMPACITY - PER NEC TABLE 310.16 *3 0 0.76 x 0.8 x 40 = 24.3A > 10. lA O.K.NJ E S} AC CONDUCTOR AMPACITY CALC'S (FROM INVERTER TO MSP) # OF INVERTER: 2 & r JEXPECTED WIRE TEMP. (°C): 31 0 0 0 TEMP. CORR. PER NEC TABLE 310.16: 0.96 CIRCUIT CONDUCTOR SIZE: AWG 6 THWN-2 # OF CURRENT CARRYING CONDUCTORS: 3 CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a): 1 CIRCUIT CONDUCTOR AMPACITY: 75A 18 REQUIRED CIRCUIT CONDUCTOR AMPACITY g PER NEC TABLE 690.8(B):O 6 1.25 x MAX INVERTER OUTPUT CURRENT X # OF INVERTER ..&>g (1.25 x 23) + (1.25 x 28) = 63.8A W $16< DERATED AMPACITY OF CIRCUIT CONDUCTOR b %151 PER NEC TABLE 310.16 661 302:2 TEMP. CORR. PER NEC 310.16 x CONDUIT FILL CORR. :32=3 O- 0-05 PER NEC 310.15(B)(2)(a) x CIRCUIT CONDUCTOR AMPACITY PER NEC TABLE 310.16 TITLE: 0.96 xlx75 =72.0A >63.8A O.K. 70A PV BREAKER WILL BE PROVIDED CALCULATION BACKFED 120% RULE PER NEC 690 120% x BUS RATING>=MAIN BREAKER + PV BREAKER 120% x 225A>=200A+PV BREAKER JOB NO: 20587APV BREAKER <= 70A DATE: 02/25/13 70A<= 70A O.K.REV: 01 PV 4