Laserfiche WebLink
Wire De-Rate Calculation I�# <br /> Raceway 125%of - - <br /> Wire Conductor Neutral Ground Raceway Raceway Height Above Output Output Min. Wire Ambient #of Final Dist. Voltage Voltage Conduit <br /> Tag Qty.Size&Type Qty.Size&Type Qty.,Size&Type Size&Type Location Roof Current Current OCPD Rating Temp Cond. Ampacity (Ft) Drop% Fill% <br /> AC.1 (4)#10 AWG THWN-2 (1)#10 AWG THWN-2 3/4"EMT Conduit Above Roof 1"To 3-1/2" 14.5A 18.1A 20A 40A X 1 x 0.8 =32A 20 Ft. 240V 0.3% 19.8% <br /> AC.2 (2)#8 AWG THWN-2 (1)#8 AWG THW N-2 (1)#10 AWG THWN-2 3/4"EMT Conduit Exterior Wall "N/A" 29A 36.3A 40A 40A X 1 x 1 =40A 5 Ft. 240V 0.15% 15.9% Z <br /> 0_; <br /> H <br /> ,. <br /> -;,.. ' �� .. <br /> .1ttVr#tcrl. , ... ;twttie.:,,l;....; 'gC4.i ;1f1:' :� a <br /> 2 <br /> (20)Solaria (20)Enphase Existing or New: (N)"PV Dedicated" 60A Utility AC Disconnect#1, Existing 200A MSP,Top-Fed <br /> PowerXT 370R-PD IQ7A-72-2-US Rating: BOA ECB,Main-Lug Only 2 Pole,Knife-Blade Type,240V, 10,3W,120/240V 0 <br /> Power at STC:370W Max V-oc Input 58V Monitoring Breaker 1 (N)10A,2 Pole Lockable,Visible,Rated NEMA 3R Utility:Snohomish PUD 0 <br /> Power at PTC:334.5W Max Output Current:1.45A(Each) PV Breaker 1 (N)20A,2 Pole Interconnection:PV Breaker z <br /> V-oc:48.3V V-mp:40.2V Max Number Per Branch:11 PV Breaker 2 (N)20A,2 Pole Main Breaker De-Rated:No <br /> I-sc:9.6A I-mp:9.2A Total 50A CC <br /> V-oc Temp Coefficient:-0.29%/'C Branch Circuit 1(10 Enphase IQ7A-72-2-US) 0 <br /> Output(I-sc x 1.25 x 1.25):15A (10 Qty.X 1.45A X 1.25)=18.125A(20A OCPD) <br /> iii <br /> Branch Circuit 2(10 Enphase IQ7A-72-2-US) U o m <br /> (10 Qty.X 1.45A X 125)=18.125A(20A OCPD) ^� P <br /> Q u .t m <br /> L mm.m m <br /> i-- Nmm 2 <br /> mm w <br /> Z O U I Q T J <br /> 0 6>3� 0 <br /> U A a a..- <br /> r=.Aa 3 <br /> °n°N V = <br /> m <br /> 1 Phase/60 Hz. w <br /> SNOHOMISH PUD UTILITY (E)200ARatedMSP <br /> Z <br /> Enphase Combiner Box _O a,,, <br /> Main Breaker Z F N <br /> (E)20DA c m N <br /> G n <br /> 0A o [[ w X n <br /> +--« —Existing Wires 0 > g <br /> Enphase ' I'1-' U a H <br /> Envoy ei —— Z °q t <br /> Prior to J-Box:Manufacturers -1 -c Y'_ <br /> Q Cable PV OCPD I PV OCPD To UtiBy Glk G ?,Sw <br /> J-BOX (N)2O s AC DISCO.1 40A Lt uD�re � W ^o ry <br /> With#6 Bare Copper Ground 2 Pole - l- <br /> I�f��f�� - - Lt I L7 L1 N in <br /> E z N - - ----� tf) <br /> Goo — �— Lz amp_ — s Vr <br /> �� _ <br /> u11 oe oe on oe c c L _Q'--- -----Q-- ---�oL Utility Meter <br /> ( �_ '�� �'-'ram— C""�— — 1 -_.,�...,.,,...,,......„„„,.. <br /> El w u COI 1{�{� .-I PV OCPD o(�N)20A. <br /> I�' Irv. <br /> a-���• Lt VQ L1��— m O <br /> d_ 12 , L2 �T= O c> 8O2 <br /> xs b e' z ~ma�0.�-i0 <br /> OLiii.o. 00 DO Ground RodI- 2 p Q <br /> CUIi 2 =1 — U amm <br /> dG V i� (E)GROUNDING 1L � .t.,'�^,N <br /> ELECTRODE --' > `O pp <br /> 0 N>111' <br /> a: <br /> Ambient Temperature information <br /> PER NEC705.12 Extreme Min Temp: -5"C <br /> Main Panel Interconnection Information Ambient Temp: 26'C REVISION BLOCK <br /> Bus Bar 1 Rating: 200A Ambient Temp:Adjustments DESCRIPTION DATE <br /> Main Breaker 1 Rating: 200A 0"to 7/8"Above Roof: 59°C Initial Draft of Plans a/io,zo <br /> PV Back Feed(Actual Load): 36 25A <br /> PV OCPD: 40A 'VOl t rapinfott f, <br /> ;Antercorneetion CaleutateNAMpute - ACt Voltage Drop: . 5% <br /> -� Total System Voltage Drop: 0.45% <br /> (40A+200A)=240A(<_)240A Design By:CN:,SOLAR ENGINEERING,INC. <br /> 1 Three Line Diagram "Err <br /> Scala.NTS +6'-' <br /> ,, , PV-4.1 <br /> L' <br />