The Library
of Calculation.
A small, deliberate suite of electrical-engineering instruments — each traceable, each typeset, each cited to its governing standard. Four published; ten in preparation.
N° 01
Cable Sizing
Conductor selection by current rating, derating factors, voltage drop & short-circuit withstand.
AS/NZS 3008.1.1→
N° 02
Voltage Drop
End-to-end loss along feeders, sub-mains and final sub-circuits — single & three-phase.
AS/NZS 3000 §3.6→
N° 03
Arc Flash
Incident energy, arc-flash boundary, PPE category and labels per the 2018 model.
IEEE 1584-2018Forthcoming
N° 04
Earthing Grid
Grid resistance, GPR, step and touch voltages for substation earthing layouts.
IEEE 80-2013→
N° 05
Fault Current
Sub-transient, transient and steady-state short-circuit per IEC 60909 — balanced & unbalanced.
IEC 60909-0Forthcoming
N° 06
Motor Starting
DOL / star-delta / VFD inrush, terminal voltage dip and acceleration time analysis.
IEC 60034 · NEC 430→
N° 07
Transformer
kVA rating, impedance, loss, regulation, taps & through-fault per ANSI/IEEE.
IEEE C57.12.00Forthcoming
N° 08
Power Factor
kVAr correction sizing, capacitor bank selection, harmonic-aware tuning.
IEC 61000 · IEEE 519Forthcoming
N° 09
Lighting Design
Lumen-method illuminance, uniformity, UGR, daylight & dimming reserve.
IES RP-1 · AS/NZS 1680Forthcoming
N° 10
Lightning Protection
Rolling-sphere coverage, LPL class, downconductor pitch and surge co-ordination.
IEC 62305-1Forthcoming
N° 11
Cable Tray
Fill ratios, weight loading, separation distances and segregation between services.
NEC 392 · AS/NZS 3008Forthcoming
N° 12
Generator Sizing
Stand-by, prime & continuous; step-load, motor-start dip and harmonic derating.
IEEE 446 · ISO 8528Forthcoming
N° 13
UPS Sizing
VA / kW load profile, autonomy, redundancy topology and crest factor headroom.
IEEE 1100-2005Forthcoming
N° 14
Battery Sizing
Cell selection, Ah duty profile, ageing, temperature & end-voltage corrections.
IEEE 485-2020Forthcoming
N° 15
Maximum Demand
Per-group assessed demand & diversity across phases — load-list driven, per installation type.
AS/NZS 3000 App. C→