BYD PV Array Testing Manual (EN)

PV Array Test Report Initial Verification Installation Address Project Reference No Plumstead Centre Library, 232 Plumstead High Street, London, SE18 1JL PV84459 Date of Test 28/06/2021 Description Work Undertaken Inspected & Tested By Testing PV array of a new installation Sam O'Mara Design By Paul O'Mara String 1 2 3 4 5 6 7 Array Panel Manufacture BYD 275Wp Quantity 18 17 0 0 0 0 0 No Parallel Strings 1 1 0 0 0 0 0 Total Wp per string 4950 4675 0 0 0 0 0 Total kWp Installed 9625 PV Module Data Voc (stc) 37.6 37.6 Isc (stc) 9.16 9.16 Vmpp (V) 31.94 31.94 Impp (A) 8.61 8.61 Combined Total Voc (stc) 676.8 639.2 Combined Total Isc (stc) 9.16 9.16 45 Manufacture Make Max Power per Mppt (W) Max Volts (V) Startup Voltage (V) Operating Mppt Voltage (V) Max Impp (A) Number Mppt DNO Setting 10000 1000 180 160 11 2 G99 Solis 10K Max Output (W) AC Voltage (V) Operating AC Voltage Range (V) Max Over Portection Device (A) Nominal output Power (W) Rapid Shutdown fitted Fireman's Switch fitted 11000 400 0 17.2 10000 No No Serial Number 1607A2213050011 Inverter Working Correctly Yes Loss Of Main Test Yes String Test String 1 String 2 String 3 String 4 String 5 String 6 String 7 Polarity Check Yes Yes Test Voltage 1000 1000 Voc (stc) 614 582 Isc (stc) 1.66 1.69 R ISO (MΩ) 199 199 Irradiance 182 182 Module Temperature °C 16 DC Electrical Equipment String 1 String 2 String 3 String 4 String 5 String 6 String 7 Qty DC Isolator Fitted 1 DC Isolator (A) x 1.25 Isc Yes DC Isolator (V) x 1.15 voc Yes PV Conductor (csa) mm2 4 Switchgear Function Correctly Yes Overvolt Protection Fitted No Blocking Diodes Fitted Yes Panel String Fuse (A) x1.25 Yes Parallel String Fuse (A) x Qty 4 RSD Switch Fitted No Arc Fault Detection Fitted No PV Array Module Mounting Mounting Frame Type Under Tile Bracket Fixed Correctly Yes Array Earth Bonded Yes

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AC Electrical Equipment AC Supply Single Phase AC Conductor (csa mm²) 6 Earth Conductor (csa mm²) 6 AC Isolator fitted at Fuse Board Yes AC Isolator fitted at Inverter Yes AC Isolator Rating (A) Fuse Board 40 AC Isolator Rating (A) Inverter 40 Fuse Rating (A) 10 Fuse Type C Capacity (kA) 6 Protection Device Fitted MCB Switchgear Function Correctly Yes PV System Inspection Report General Entire system has been inspected to the requirement of the IEC 60364-6 and inspection report to meet the requirements of IEC6034-6 is attached PV Array Design And Installation DC system designed, specified and installed to the requirements of the (IEC 60364-7-712) Yes DC components rated for continuous DC operation Yes DC components rated for current and voltage maximum (Voc Stc corrected for local temperature range and module type:current at Voc x 1.15 & Isc x 1.25-IEC 60364-7-712,433:2020) Yes Protection by the use of class II or equivalent installation used on the DC side -yes /no class II preferred-IEC 60364-7- 712.413.2:2002 Yes PV String, Cable, PV array cables and PV/DC mains cable have been selected and erected so to minimise the risk of earth fault and short-circuits (IEC 60364-7-712.522.8.1:2002) Yes Wiring system has been selected and erected to withstand the expected influences such as windload, ice formation, temperature and solar radiation (IEC 60364-7-712-522.8.3.2002) Yes System without string over-current protective devices:String cable sized to accommodate the maximum combined fault current from parallel strings (IEC 60364-7-712.433:2002) Yes DC switch disconnector fitted to the DC side of the inverter (IEC 60364-7-712.536.2.2.5:2002) Yes If Blocking diodes are fitted,verify that the voltage rating is at least 2 x Voc of the STC of the PV string in which they are fitted (60364-712-512.1.1:2002) Yes If one of the DC conductors is connected to earth, verify that there is at least simple separation between the AC & DC side and the earth connection has been constructed so as to avoid corrosion (IEC60364-712-312.2:2002 PV SYSTEM-PROTECTION AGAINST OVERVOLTAGE/ELECTRIC SHOCK If an RCD is installed and the PV inverter is without at least simple separation between the AC side and the DC side is the RCD type B according IEC60755 amendment 2?

(IEC60364-7-712.413.1.1.1.2:2002) Area of all wiring loops been kept as small as possible (IEC 60364-7-712,444.4:2002) Yes Array frame equipotential bonding been installed (To local codes) Yes Where installed, equipotential bonding conductors have been laid in parallel to the DC cables PV SYSTEM-AC CIRCUIT SPECIAL CONSIDERATIONS Have means of isolation of the inverter been provided on the AC side Yes Isolation and switching devices; are they connected such that the PV installation is wired to the "load" side and the public supply to the "source" side (IEC 60364-7-712.536.2.2.1:2002) Yes Inverter protection setting programmed to local DNO regulations Yes PV SYSTEM - LABELLING AND IDENTIFICATION All circuits, protective switches and terminals suitably labelled.

Yes All DC junction boxes (PV generator and PV array boxes) carry a warning label indicating that active parts inside the boxes are fed from a PV array and may still be live after isolation from the PV inverter and public supply Main AC isolator clearly labelled Yes Dual supply warning labelled fitted at point of interconnection Yes Single line wiring diagram displayed on site next to PV inverter Yes

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Inverter protection settings and installer details displayed on site Yes Emergency shutdown procedures label fitted on site Yes All signs and labels suitably affixed and durable Yes PV SYSTEM - GENERAL INSTALLATION Ventilation provided under array to prevent overheating /fire risk Yes Ventilation provided for PV inverter Yes PV inverter mounted on fire rated surface Yes Array frame and material corrosion proof Yes Cable entry weatherproof Yes Comments Generation Meter C11 S/N:00739999 PV System Verification Certificate Initial Verification Installation Address Date Of Test Plumstead Centre Library, 232 Plumstead High Street, London, SE18 1JL 28/06/2021 Project Reference No PV84459 Rated Power -Kw DC 9.625 Contractor Name /Address Inspected & Tested By Unit 36 Acorn Ind Park Crayford Rd Dartford Kent DA1 4AL Tel 01322 310490 Sam O'Mara Design By Paul O'Mara Location of Inverter Roof IEC 60364-6 insection report reference PV84459 IEC 60364-6 test report reference PV84459 PV array inspection report reference PV84459 PV array test report reference PV84459 Design Construction, Inspection & Testing I/We being the person(s) responsible for the design,construction,inspection and testing of the electrical installation (as indicated by the signature(s) below, particulars of which area described above, having exercised reasonable skill and care when carrying out the design,construction and testing, hereby certify that the said work for which I/We have been responsible is to the best of my knowledge and belief in accordance with regulation of BS 7671 IEC 6034 MIS 3001.

Designer Signature Comments As comments above Inspector Signature Date 28/06/2021 Next Inspection Dated 28/06/2022

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