20100408 TUCC Meeting Item 2 - Electrical Diagram for PV Systems by keralaguest

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									PV MODULE RATING @ STC
MODULE MANUFACTURER ___________________                   SYSTEM VOLTAGE AND CURRENT                        SYSTEM VOLTAGE AND CURRENT                                  INVERTER RATING
MODULE MODEL #          ___________________
                                                                                                            INCLUDING CORRECTION FACTORS
                                                          MAX POWER-POINT CURRENT (Imp) = ________ A                                                                    INVERTER MODEL # ________________
MAX POWER-POINT CURRENT (Imp)         = _________ A
                                                          MAX POWER-POINT VOLTAGE (Vmp) = ________V         OPEN-CIRCUIT VOLTAGE (Voc) = ________V                      MAX DC VOLT RATING   = _________V
MAX POWER-POINT VOLTAGE (Vmp)         = _________V                                                                                                                                     0
                                                          OPEN-CIRCUIT VOLTAGE (Voc)      = ________V       SHORT-CIRCUIT CURRENT (Isc) = ________A                     MAX POWER @ 40 C     = _________W
OPEN-CIRCUIT VOLTAGE (Voc)            = _________V
                                                          SHORT-CIRCUIT CURRENT (Isc)     = ________A                                                                   NOMINAL DC VOLTAGE   = _________V
SHORT-CIRCUIT CURRENT (Isc)           = _________A
                                                                                                                                                                        MAX. AC CURRENT      = _________A
MAX POWER (Pmax)                      = _________W
                                                                                                                                                                        MAX OCPD RATING      = _________A               UTILITY
MAX SYSTEM VOLTAGE                    =   600 Vdc                                                                                                                                                                       SERVICE
Voc TEMPERATURE COEFF.                = _________

                                                                                           DC DISCONNECT RATING                                                         AC DISCONNECT RATING
                                                                                           DISCONNECT AMP RATING = ______ A                                             DISCONNECT AMP RATING = ______ A                   M
                                                                                           DISCONNECT VOLT RATING = ______V                                             DISCONNECT VOLT RATING = ______V

     No. OF MODULES IN SERIES
                                                                                                                                                                                                                     MAIN
                                                                                                                                                                                                                     OCPD




                                                                                                                                                         AC
     No. OF MODULES IN SERIES                                                                                                                          DC                                                                INVERTER
                                                                                                                                                       DC                                                                  OCPD
                                                                                                                                                                                                                    G

                                                                                                                       DC
                                                                   J-BOX                                        DISCONNECT
                                                                 (IF USED)             COMBINER BOX                                             (UTILITY INTERACTIVE)                                           MAIN SERVICE PANEL
                                                                                                             (can be external box
     No. OF MODULES IN SERIES                                                                                 or integrated inside                  INVERTER
                                                                                                                                                                                      AC                 GROUNDING
                                                                                                                  the inverter)                                                   DISCONNECT             ELECTRODE
                                                                ROOF TOP JUNCTION BOX                                                                                          (SEPARATE EXTERNAL       (#8 MIN) WITH
                                                                NEMA 3R MIN. REQUIRED WITH
                                                                                                                                                                                AC DISCONNECT BOX      IRREVERSIBLE
                                                                WATERPROOF SPLICES OR OTHER
                                                                                                                                                                                  IF REQUIRED BY       CRIMP PER ART.
                                                                APPROVED TERMINATION METHOD
                                                                (NEC 110.14, 300.6, 314)                                                                                        LOCAL UTILITY CO.)         250.64(C)

                 SOURCE-CIRCUIT CONDUCTOR:
                                                                                                               CIRCUIT CONDUCTOR:
                 CONDUCTOR SIZE: #12 AWG MIN
                 CONDUCTOR TYPE: USE-2 OR PV WIRE/CABLE                                                        CONDUIT SIZE AND TYPE: ½”Ø MIN EMT                                                    SERVICE PANEL RATING
                                                                                                                                                                                 DC GROUNDING
                                                                                                               CONDUCTOR SIZE: #10 AWG MIN
                                                                                                                                                                                 ELECTRODE
                                                                                                               CONDUCTOR TYPE: THWN-2,                                           CONDUCTOR           BUS AMP RATING            = _________A
   NOTES:                                                                                                      XHHW-2, OR RHW-2                                                  SIZE #8 AWG MIN     SERVICE VOLTAGE           = _________V
                                                                                                               NUMBER OF CONDUCTOR:
                                                                                                                                                                                                     MAIN OCPD RATING          = _________A
   1. INSTALLER TO BE PREPARED TO PROVIDE PHYSICAL PROOF THAT PANELS                                           ( ___Red, _____White, 1 Green)
      INSTALLED IN FIELD MATCH THOSE SPECIFIED ON PLANS.                                                                                                                                             INVERTER OCPD RATING = _________A
                                                                                                               GROUNDING ELECTRODE SIZE: #10 AWG
                                                                                                                                                                                                     Notes:
   2. AC & DC SIDE GROUNDING ELECTRODE CONDUCTOR TO BE BONDED PER ART.
      690.47, AND MADE WITH IRREVERSIBLE CONNECTION PER ART. 250.64(C).                                                                                                                              1. For each inverter, supply breakers shall comply
                                                                                                                                                                                                     with 120% BUSBAR exception in 690.64(B)(2)(a)
   3. BONDING JUMPER REQUIRED TO MAINTAIN CONTINUITY BETWEEN SOURCE OF                                                                                                                               2. Supply side connection is not allowed by SVP
      OUTPUT CIRCUIT GROUNDING CONDUCTOR WHILE PV EQUIPMENT IS REMOVED
      PER ART. 690.49.
                                                                                                        STANDARD ELECTRCAL DIAGRAM FOR SMALL SCALE, SINGLE-PHASE PV SYSTEMS
   4. PROVIDE SYSTEM LABELS AND WARNING FOR DC DISCONNECT, AC DISCONNECT
      AND INVERTER. LABELS TO BE AFFIXED PRIOR TO FINAL INSPECTION

								
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