Solar aratohu
Piki Voltage i ngā taura inverter me ngā taura array, me te rahi taura pākahiko mō tētahi mahi solar.
- 5 meneti te pānuiArc flash at a 48 V home batteryClass a 48 V lithium home battery with 6 kA at its terminals by AS/NZS 5139, find its arc flash energy and PPE level, then bring it down with fuses.
- 2 meneti te pānuiA circuit chart for a house board with solarThe circuit chart and labels for a six-circuit house board with a solar inverter: ways, devices, RCDs, MAIN SWITCH, MAIN SWITCH SOLAR and a shared neutral.
- 3 meneti te pānuiDC isolator rating for a 10 kW solar arrayRate the d.c. isolator and size the frame earth for a four-string domestic array. Check one data sheet that passes and one that fails per pole.
- 3 meneti te pānuiSolar string sizing for a 600 V inverterHow many 49.5 V modules fit a string on a 600 V inverter at -5 °C? Work cold Voc, hot Vmp, the string current, fuses and the d.c. isolator by AS/NZS 5033.
- 3 meneti te pānuiWhere can a home battery go? Garage wallsA garage wall that backs onto a bedroom, with a hot water cylinder nearby. See which AS/NZS 5139 location rules fail for a home battery, then fix each one.
- 5 meneti te pānui12 V caravan cable: d.c. voltage dropA 12 V caravan feed at 30 A over 6 m, checked on 4, 6 and 10 mm² twin against the 10 % ELV limit, then a 48 V battery-to-inverter run.
- 4 meneti te pānuiSolar battery size for a family home: 25 kWh a daySize a solar battery for a home that uses 25 kWh a day with an 8 kW array. Usable and nominal kWh, the bank, the inverter, winter solar and where it can go.
- 3 meneti te pānui22 kW EV charger amps at 400 V three‑phaseA 22 kW three-phase EV charger draws 31.75 A at 400 V. See the inputs, the clause, the arithmetic and the current that feeds cable sizing and demand.
- 3 meneti te pānuiOff-grid battery bank autonomy at 48 VA bach load list of 7600 Wh per day at 48 V needs 703.7 Ah of battery for two days of autonomy at 0.5 depth of discharge, worked step by step.
- 4 meneti te pānuiAS/NZS 3000 Appendix C: conduit space factorWhat the conduit space factor in AS/NZS 3000 Appendix C governs, which tool reads it, and a worked 50 mm conduit that reaches 52.95 % fill against a 40 % limit.
- 3 meneti te pānuiEV charger cable size for a 7 kW 32 A circuitA 7 kW EV charger on a 32 A dedicated circuit over 30 m needs 6 mm², with 38 A derated capacity, 2.85 percent voltage drop and 0.73 Ω loop impedance.
- 4 meneti te pānuiAS/NZS 3008.1.2 Tables 22 to 29: deratingWhat the derating tables govern, how ambient and grouping combine into one factor, and a 63 A feeder whose capacity falls to 78.85 A on 35 mm² copper.
- 3 meneti te pānuiAS/NZS 3008 Table 27 (now 3.44, 3.45): temperatureAS/NZS 3008 Table 27 corrects a cable rating for the air or soil temperature. The 2025 AU part splits it into Tables 3.44 and 3.45 and re-derives the factors.
- 5 meneti te pānuiDC cable size: 48 V battery and 600 V PV arrayTwo d.c. circuits sized to AS/NZS 3008.1.1:2025, a 48 V battery-to-inverter run that current sizes and a 600 V array feed that voltage drop sizes.
- 3 meneti te pānuiVoltage rise for a 5 kW solar inverter cableA 5 kW single-phase inverter 40 m from the switchboard on 10 mm² copper, with the rise in volts, the percent and the maximum length the tool returns.
Ngā tātaitai e whakamahia ana e ēnei aratohu
- Arc flash me te karaehe pākahikoDVC pākahiko, karaehe mōrearea, pūngao arc flash me te taumata PPE.
- Tūtohi ara iahiko papa hikoHangahia he tūtohi ara iahiko papa me ngā tohu e hiahiatia ana.
- Tātaitai PV isolator me te whakawhenuaWhakatauhia ngā taura PV array, te d.c. isolator me te whakawhenua.
- Tātaitai PV stringNgā module ia string, te iahiko string me te isolator mō te PV.
- Kaitirotiro wāhi pākahikoTirohia ngā wāhi ka taea te whakanoho i tētahi pākahiko kāinga i raro i AS/NZS 5139.
- Tātaitai heke voltageTātaitia te heke voltage i tētahi ara taura, ā, tirohia te rohe.
- Tātaitai pākahiko solarWhakaritea te rahi o tētahi pākahiko kāinga mō te uta ahiahi solar.
- Tātaitai Iahiko Uta KatoaTātaitia te iahiko uta katoa mai i te mana, te voltage me te wāhanga.
- Tātaitai battery bankTātaitia te kaha battery bank me te autonomy mō tētahi uta.
- Tātaitai Whakakī ConduitTirohia mēnā ka uru tētahi paihere taura ki tētahi conduit.
- Tātaitai rahi tauraKimihia te rahi taura iti rawa e pass ana i ia arotake.
- Tātaitai rahi taura DCWhakaritea te rahi o tētahi taura d.c. tae atu ki te 1500 V mō te iahiko me te heke voltage.
- Tātaitai Piki VoltageTātaitia te piki voltage mō te whakatipu hiko kua whakaurua, mō te PV rānei.