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Notes for One-Line Standard Electrical <br />Diagram for Single-Phase PV Systems <br />Site Name <br />System AC Size <br />Site Address <br />o6w. By Sean Ferneyhough <br />NTS Dale <br />NOTES FOR ALL DRAWINGSI <br />OCPD = OVERCURRENT PROTECTION DEVICE <br />NATIONAL ELECTRICAL CODEO REFERENCES <br />sHowN AS (NEC )O(XXX) <br />SIGNS_SEE GUIDE SECTION 7 <br />SIGN FOR DC DISCONJ'IECT <br />PHOTOVOLTAIC POWER SOURCE <br />PV |\.4ODULE RATINGS @ STC (Guide Section 5) <br />MOOULE MAKE solapty laldlr9 <br />sc325 <br />MAX POWER.POINT CURRENT (IJ <br />MAx POWERfOTNT VOLTAGE (V,f) <br />oPEN-CTRCUtT VOLTAGE (Voc) <br />sHoRT-CIRCUtT CURRENT (sc) <br />5.65 <br />MAX SERTES FUSE (OCPD) _ <br />MAXTMUM POWER (PMA) _ <br />MAx voLrr'sllrYlj00Y!!L <br />VOC TEMP COEFF (mvrcEl or Y./'C fl) <br />RAIEO I\,1PP CURRENT <br />MODULE MOOEL <br />57.6 -V, <br />- <br />A <br />- <br />RATED MPP VOLTAGE <br />MAX SYSTEM VOLTAGE <br />69.6 <br />6.03 <br />INVERTER RATINGS (Guide Sectron 4) <br />INVERTERI\,,IAKE DELTA <br />INVERTER MoDEL SOLIVIA 6.6 TL <br />MAX DC VOLT RATING <br />6600 <br />WARNING: ELECTRICAL SHOCK <br />HAZARD_LINE AND LOAD MAY BE <br />ENERGIZED IN OPEN POSITION <br />MAX CIRCUIT CURRENT <br />SIGN FOR INVERTER OCPD AND <br />AC DISCONNECT (IF USED) <br />SOLAR FV SYSTEM <br />AC POINT OF CONNECTION <br />l <br />'t5 <br />325 <br />600 <br />600 v <br />-0.258 <br />yA] lolE1q4!.c <br />lo!!rNA!19v!rrleE <br />IVAX AC CURRENT <br />MAX OCPD RATING <br />240 <br />IF COEFF SUPPLIEO CIRCLE UNITS <br />NOTES FOR ARRAY CIRCUIT WIRING (Gurde Seclion 6 and I and Appendix D): <br />2,I2OO5 ASHRAE FUNDEMENTALS 2.lo DESIGN TEMPERATURES DO NOT EXCEED <br />47'C IN THE UNITED STATES (PALM SPRINGS, CA IS 44,1'C), FOR LESS THAN 9 <br />CURRENT-CARRYING CONDUCTORS IN ROOF-MOUNTEO SUNLiT CONDUIT AT <br />LEAST 0,5'ABOVE ROOF AND USING THE OUTDOOR DESIGN TEMPERATURE OF <br />47OC OR LESS (ALL OF UNITED STATES), <br />a) 12 Awc, 90oC CONDUCTORS ARE GENERAI-LY ACCEPTABLE FOR MOOULES <br />WITH lsc OF 7.68 AMPS OR LESS WHEN PROTECTED BY A 12-AMP OR SI\4ALLER <br />FUSE. <br />b) 1O AWG, gOOC CONDUCTORS ARE GENERALLY ACCEPTABLE FOR MODULES <br />WITH lscOF 9.6 AMPS OR LESS WHEN PROTECTEO BYA I'AMP OR SMALLER <br />FUSE <br />31.7 <br />AC OUTPUT CURRENT <br />NOMINAL AC VOLTAGE <br />35 <br />240 <br />THIS PANEL FED 8Y MULTIPLE <br />SOURCES (UTILITY ANO SOLAR) <br />NoTES FOR INVERTER CIRCUITS (Guide Soclon I and 9) <br />3) SIZE PHOTOVOLTAIC POWER SOL,RCE {DC)CONDUCTORS BASEO ON MAX <br />CURRENT ON NEC 690 53 SIGN OR OCPD RATING AT OISCONNECT <br />4) SIZE INVERTER OUTPUT CIRCUIT (AC) CONDUCTORS ACCORDING TO INVERTER <br />OCPD AMPERE RATING (See Guide Section g) <br />5) TOTAL OF n INVERTER OCPD(S), ONE FOR EACH INVERTER. OOES TOIAL <br />SUPPLY SREALERS COMPLY WITH 120% BUSBAR EXCEPTION lN 5S0.64{BX2)(a)? <br />YES E NOtr <br />I ) IF UTILITY REOUIRES A VISIBLE-BREAK SWITCH, DOES THIS SWITCH MEET THE <br />REQUIREMENT? YESI NOD N/A tr <br />2) IF GENERATION METER REOUIREO. DOES THIS METER SOCKET MEET THE <br />REOUIREMENT? YES tr NO tr N/A N <br />NOTES FOR STANDARD STRINC SYSTEM ELECTRICAL DIAGRAM <br />: <br />F <br />4o <br />Uo <br />F <br />4. <br />a- <br />a <br />L <br />1,) LOWEST EXPECT AMAIENT TEMPERATURE BASED ON ASHRAE MINIMUM MEAN <br />EXTREME DRY BULB TEMPERATURE FOR ASHRAE LOCATION MOST SIMILAR TO <br />INSTALLATION LOCATION. LOWEST EXPECTED AMBIENT TEMP 2 oC <br />2 ) HIGHEST CONTINUOUS AI\4BIENT TEMPERATURE BASED ON ASHRAE HIGHEST <br />MONTH 2% DRY BULB TEMPERATURE FOR ASHRAE LOCATION MOST SIMILAR TO <br />INSTALLATION LOCATION. HIGHEST CONTINUOUS TEMPERATURE e 'C