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Voltage drop · N° 02

· three-phase · ·

7.8 V — 1.96% PASS

AS/NZS 3008.1.1:2017 · Tables 32 · 37 · AS/NZS 3000:2018 §3.6.2 · limit 5%

✓ Verified server-side

V-90 multicore · 0.9 PF · 75 °C · 400 V · sub-main

The library · nine instruments

Nine calculators. Nine standards.

N° 01Cable sizing Current capacity, derating and protection from the 3008 tables themselves. AS/NZS 3008.1.1:2017 N° 02Voltage drop The mV/A·m method, three- and single-phase, checked against §3.6. AS/NZS 3000:2018 §3.6 N° 03Maximum demand Connected load to maximum demand, the Appendix C method. AS/NZS 3000 App. C N° 04Motor starting DOL and reduced-voltage starting, dips and run-up studies. IEC 60034 · NEC 430 N° 05Earthing grid Grid resistance, step and touch, against the IEEE 80 method. IEEE 80-2013 N° 06Power factor Detuned shunt capacitor banks at medium voltage. IEC 60871 · IEC 61642 N° 07Protection coordination 877 real relay, breaker and fuse curves, graded and margined. IEC 60255 · AS/NZS 3000 §2.5 N° 08Transformer Ratings, impedance, fault level, regulation, taps and through-fault withstand. IEEE C57.12.00 · C57.109 N° 13UPS sizing VA/kW load profile, autonomy, redundancy topology and crest-factor headroom. IEEE 1100 · IEC 62040-3

In preparation: arc flash · fault current · lighting · lightning · cable tray · generator · battery

Cited standards

AS/NZS 3008.1.1:2017Electrical installations — selection of cables. Current ratings and voltage drop.→ N° 01 · 02

AS/NZS 3000:2018The Wiring Rules. Demand, voltage-drop limits, protection.→ N° 01 · 02 · 03 · 07

IEEE 80-2013Guide for safety in AC substation grounding.→ N° 05

IEC 60034 · NEC 430Rotating electrical machines; motor branch circuits.→ N° 04

IEC 60871 · IEC 61642Shunt capacitors and harmonic filters for a.c. systems.→ N° 06

IEC 60255Measuring relays and protection equipment.→ N° 07

IEEE C57.12.00 · C57.109Distribution & power transformers; through-fault duration limits.→ N° 08

IEEE 1100 · IEC 62040-3Powering electronic equipment; UPS performance and test methods.→ N° 13

Verification

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Before a calculation can be issued, the server re-runs it and compares digests. If your browser lied, the document says so.

REV A — DRAFTnever issuable

REV Bkept on record

REV C — ISSUED ✓verifiedsha-256 · 9f3a…

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