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Home My WebLink AboutDRB150204_Dobyns Residence Solar Calculations_1433260440.pdf Page 1 of 4 4/23/2015 P.O. Box 7627, Avon, CO 81620 | P: 970.306.4233 | F: 866.403.3485 | www.activeenergies.com Solar Installation Information Vendor: Active Energies Solar LLC PO Box 7627 Avon, CO 81620 (970-306-4233/info@activeenergies.com) Site: Dobyns Residence 3080 Booth Falls Road Vail, CO 81657 Equipment: Panels: 34 Phono Solar PS260M-20/U black solar panels @ 260watts Inverter: SolarEdge SE7600A-US + 34 SolarEdge P300 Optimizers Mounting Equipment: Unirac racking system with S5 mounting feet Monitoring: SolarEdge Remote Monitoring Service System Layout: Single Panel = 5.38ft tall X 3.26ft wide Panel Arrangement: 3 rows of 8and 2 rows of 5 panels oriented in the portrait position, mounted flush on the south facing roof Holy Cross electric meter located on east side of home. PV disconnect and inverter to be located adjacent to meter. Minimum Designed Temperature: -40°F Maximum Ambient Design Temperature: 140°F All AC wiring to be completed by a Colorado licensed master electrician All DC wiring to be overseen by NABCEP certified installer Holy Cross Meter, Inverter and PV Disconnect Page 2 of 4 4/23/2015 P.O. Box 7627, Avon, CO 81620 | P: 970.306.4233 | F: 866.403.3485 | www.activeenergies.com Calculations 8.84kW System Size (STC)  34 Phono Solar PS260M-20/U solar modules @ 260watts  35 SolarEdge P300 Optimizers  1 SolarEdge SE7600A-US inverter (2 strings of 17 modules/optimizers)  Fixed array tilt angle: 9.46º  Array azimuth: 195º (where 180º is south)  Estimated annual power production: 11,762kWh Maximum PV System Voltage: 690.7 Voc = 38.1V/module 38.1V x 1 module = 38.1V Temperature correction factor 690.7(A) Temperature Coefficient (Voc) = -0.33%/°K (-60°C (-.0033) = .198% ((.198% x 38.1V) x 1 panels) + 38.1V = 45.6V Maximum PV Source Circuit (String) Current: 690.8 (A)(1) Isc = 8.85A 8.85A x 1.25 = 11.1A Maximum PV Output Circuit (Array) Current: 690.8 (A)(2) 4,420w / 350v = 12.6A per 17 string SE7600A-US inverter limit 23A combined string Inverter Output Circuit Current: 690.8 (A)(3) 32A @ 240V John Wiles, “Photovoltaic Power Systems and the National Electrical Code: Suggested Practices”, 2005, pp. E1-E25. pdf version online at: http://www.nmsu.edu/%7Etdi/Photovoltaics/Codes- Stds/PVnecSugPract.html Page 3 of 4 4/23/2015 P.O. Box 7627, Avon, CO 81620 | P: 970.306.4233 | F: 866.403.3485 | www.activeenergies.com Conductor Sizing Pass Thru Box from Optimizers to Inverter (single string): 4,420w / 350v = 12.6A per 17 string 12.6A x 1.25 = 15.8A #10 USE-2 Table 310.16 40A (90ºC column, see note 240.4(D)) Conduit fill adjustment Table 310.15 (B)(3)(a) Use .8 for 4-6 conductors 40A x .8 = 32A Temperature correction factor Table 310.15 (B)(2)(b) 32A x .77 = 24.6A Inverter to Disconnect to Service Panel: Nameplate maximum continuous output current: 32A @ 240V 32A x 125% = 40A 210.19 (A)(1) #8 THWN-2 Table 310.16 50A (75ºC column) No temperature correction factor No conduit fill adjustment Overcurrent Protection Device 40A two pole breaker Per Manufacturer Specification Conductors may be oversized for voltage drop Page 4 of 4 4/23/2015 P.O. Box 7627, Avon, CO 81620 | P: 970.306.4233 | F: 866.403.3485 | www.activeenergies.com 4 #10 USE-2/RHW-2 1# 6G Bare Cu Conductors in Free Air Inverter w/ Integrated DC Disconnect SolarEdge SE7600A-US NEMA 3R Max AC Output: 32A @ 240V Located in east side of home DC Grounding Electrode Conductor solid bare #6 Cu per NEC 250.66(C)Service Panel Located east side of home Line Diagram Dobyns Residence 3080 Booth Falls Road Vail, CO 81657 8.84 kW Utility Interactive Photovoltaic System Modules: 34 Phono Solar PS260M-20/U Voc = 38.1 V Isc = 8.85 A Optimizers: 34 SolarEdge P300 2 String X 17 Modules Inverter: SolarEdge SE7600A-US Operating Voltage: 350V Operating Current: 26A Max System Voltage: 500V Max Output Current: 30A Tilt Angle: 9.46º Array Azimuth: 195° Production: 11.762kWh/yr Notes: - See Calculation Sheet for conductor sizing. - All conductors are copper unless otherwise noted. - Inverter listed (UL-1741) to de- energize upon loss of utility voltage per NEC 690.61. - Inverter has integral ground-fault protection per NEC 690.5 - 240V 1 Phase Service Panel rating of 200A (bus rating 200 amp and 200 Main disconnect) to accommodate 40A + 200A = 240A supply (up to 120% of connected power sources from residential installations per NEC 690.64(B)(2)) Array mounted on roof 34 Phono Solar PS260M-20/U Solar Panels 34 SolarEdge P300 DC Optimizers Net Meter On north side of garage 18 Pass-Thru Box Located on roof Placard stating ”Photovoltaic System Connected” per Holy Cross specifications AC Disconnect 60A adjacent to meter +/-25' ¾" C EMT/MC Cable 2 #10 THWN-2 1 #10 THWN-2 G 19 20 34... 1 2 3 17... +/-3' ¾" C EMT/PVC 3 #8 THWN-2 1 #10 THWN-2 G OR #8 NM-B w/G Backfeed Breaker 40A 2P 240V No.1 Xinghuo Road, Nanjing Hi‐tech Zone, Nanjing, China www.phonosolar.com info@phonosolar.com    HIGH PERFORMANCE SOLAR MODULES 235w-270w ABOUT PHONO SOLAR Phono Solar Technology Co., Ltd. is one of the world’s leading renewable energy product manufacturers and a well trusted brand provider. The Phono Solar brand has become synonymous with high performing, top quality photovoltaic panels that are ideal for use in large scale power plants, commercial and * IN COMPLIANCE WITH OUR WARRANTY TERMS AND CONDITIONS. ** IN PV CYCLE MEMBER COUNTRIES ONLY, SEE: WWW.PVCYCLE.COM MONO Onyx SeriesSeries Diamond Product quality is assured through the use of branded components Free module recycling through PV Cycle Internal quality control has standards higher than both IEC and UL 25‐year performance warranty* reliability of the PV system A+ class in PI Berlin test Durability assured: Salt mist corrosion Ammonia corrosion Fire test 5400Pa Outstanding performance in giving higher yields in the long term PARTNER INFORMATION MECHANICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATING PACKING CONFIGURATION WEAK LIGHT PERFORMANCE ELECTRICAL TYPICAL VALUES1,2 TEMPERATURE CHARACTERISTICSDIMENSIONS Note: mm(inch) 1640(64.57) 1360(53.54)942(37.09)860(33.86) 900(35.43) Solar Cells  Dimension    Weight  Front Glass  Frame  Cable    Junction Box  Parameter Values          Model Rated Power (Pmpp)Tolerance Rated Current (Impp)Rated Voltage (Vmpp)Short Circuit Current (Isc)Open Circuit Voltage (Voc)Module Efficiency (%)         NOCT (Nominal Operation Cell Temperature) Voltage Temperature Coefficient  Current Temperature Coefficient  Power Temperature Coefficient  Intensity  Impp Vmpp      Container Pieces per pallet Pallets per container Pieces per container  SOLAR MODULES 235W-270W                                                     