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Single-line diagram

Editable · IEC / BS 7671 symbols · direct PDF

Drawing S-01 · Rev 1.0

SINGLE LINE DIAGRAM

Sample residential PV · 3 Bouldish Farm Rd, SL5 9EN
Roof arrayCustomer's equipmentInverter locationCustomer's equipmentConsumer unit / point of connectionCustomer · Meter operator · DNO#DC1#DC2#AC1#AC2#AC3#AC4#AC5#AC6#AC7#DC3PV MODULES GENERATE IN DAYLIGHTAND CANNOT BE ISOLATEDPV SYSTEM MAIN SWITCH · POINT OFEMERGENCY SWITCHING8× TSM-440 NEG9R.28= string =3.52 kWp · 2×4DC isolator1000 V DCGoodWe GW5000-EH5.0 kW · 1φAC isolator20 A · 2-poleGeneration meterkWhMCS / SEGHenley block 100 AUtility meterkWhImport/exportDNO cut-out100 A BS 1361DNO / GridG99Consumer unitfinal circuits6-way · new boarddouble-click / hold to editGoodWe LX F9.8-H+–9.6 kWh · LFP
Modules & strings
8× TSM-440 NEG9R.28
3.52 kWp · 2 strings
Inverter & storage
GW5000-EH · 5.0 kW
LX F9.8-H · 9.6 kWh
Estimated output
3,344 kWh/yr
G99 application
Standards
BS 7671:2018+A2
MCS MGD003
Supplementary · Cable schedule
RefTypeCable
#DC1DC4mm² BS EN 50618 solar cable
#DC2DC4mm² BS EN 50618 solar cable
#AC1AC4mm² 6242Y T&E
#AC2AC4mm² 6242Y T&E
#AC3AC16mm² tails (16mm² CPC)
#AC4AC25mm² tails (16mm² CPC)
#AC5AC25mm² tails (16mm² CPC)
#AC6ACDNO service cable
#AC7AC25mm² tails (16mm² CPC)
#DC3BATTERYManufacturer DC battery cable
Supplementary · Consumer unit schedule — Consumer unit
WayDescriptionProtective deviceCable
1PV / inverter supply20 A Type B RCBO4mm² T&E
2Sockets — ground floor32 A Type B RCBO2.5mm² T&E
3Sockets — first floor32 A Type B RCBO2.5mm² T&E
4Lighting — ground floor6 A Type B RCBO1.5mm² T&E
5Cooker32 A Type B RCBO6mm² T&E
6EV charger40 A Type B RCBO6mm² T&E