Help
Calculation help
User guides and developer documentation for each calculation.
Developer guides
Calculation help 43
- Cable Voltage Drop (AC3) Calculate voltage drop for three-phase cable runs per AS/NZS 3008.1.1.2017 standard
- CT Selection & Sizing Current Transformer selection and sizing with burden, saturation, and ALF checks
- Earth Fault Loop Calculator Calculate earth fault loop impedance for electrical safety analysis and protection
- Earth Grid Design Earth grid design and safety assessment per IEEE Std 80
- Maximum Demand Calculator Calculate maximum demand for residential electrical installations per AS/NZS 3000:2018
- Advanced Motor Analyzer Comprehensive induction motor performance analysis with torque-speed, current-speed, and efficiency curves for three-phase and single-phase…
- Positive Displacement Pump Calculator Calculate duty point and suction safety for reciprocating positive displacement pumps
- Three-Phase V-I-P Calculator Calculate voltage, current, power, and impedance for 3-phase electrical systems
- Arc Flash Hazard (IEEE 1584-2018) Arcing current, incident energy, arc-flash boundary and PPE per IEEE 1584-2018
- Centrifugal Pump System Calculate TDH, NPSH, and slurry settling for pump selection
- Commercial Panel Maximum Demand Calculate maximum demand for commercial/industrial panels per AS/NZS 3000 Table C2/C3
- Earthing Conductor Sizing Earthing conductor sizing per AS/NZS 3000 Clause 5.4
- Generator Sizing Calculator Calculate required generator capacity based on connected loads, diversity factors, and motor starting requirements for industrial and comme…
- Motor Cable Sizing Comprehensive motor cable sizing with six critical checks (CCC, VD, SC, EFL, earth size, earth withstand)
- Single-Phase V-I-P Calculator Calculate voltage, current, power, and impedance for single-phase electrical systems
- VSD Harmonic Analysis Comprehensive harmonic distortion analysis for Variable Speed Drives (VSDs) on electrical switchboards. Includes IEEE 519 and IEC 61000 com…
- MV Capacitor Bank Sizing Comprehensive MV capacitor bank sizing with power factor correction, harmonic analysis, reactor design, and economic evaluation
- Belt Conveyor Design Complete mechanical design for belt conveyors: capacity, belt sizing, tensions, power, and drive selection
- Lighting Circuit Voltage Drop Calculate voltage drop in parallel-connected lighting circuits with sequential cable runs
- Load Flow Analysis (Gauss-Seidel) Multi-bus power system load flow analysis using Gauss-Seidel iterative method with PQ/PV/Slack bus support
- Power-Motor Calculator (AC3) Calculate electrical parameters for three-phase AC motors including current, apparent power, reactive power, and phase angle
- Short-Circuit Current Three-phase short-circuit current calculations using Bussmann point-to-point method. Supports transformers, cables, busbars, and motor cont…
- AC Light Circuit Voltage Drop Calculate voltage drop in parallel-connected single-phase AC lighting circuits with cumulative analysis
- NEC Distribution Panel Sizing Size three-phase distribution panels per NEC Article 220, 430, and 310 standards
- NEC Short Circuit Analysis Calculate fault currents and equipment interrupting ratings per NEC 110.9, 110.10, and 408.6
- UPS Selection & Battery Sizing Size UPS systems and battery banks for backup power with runtime calculations
- CB Overload Protection Overload protection coordination per AS/NZS 3008.1 Clause 2.5.3
- DC Cable Sizing Calculator Calculate conductor size and voltage drop for DC cables in solar PV, battery, and DC distribution systems
- Switchroom Heat Load Calculate HVAC cooling requirements for switchrooms and control buildings
- Transformer Sizing & Specification Comprehensive transformer sizing and specification per AS/NZS 60076
- Earth Fault Loop Impedance Calculate Zs including source impedance, cable impedance and standard checks
- HV Cable Sizing Calculator Three-phase high voltage cable sizing with Nexans Olex data (3.3kV-33kV)
- Lightning Risk Assessment Lightning risk assessment per IEC 62305-2 for R1 (loss of human life)
- NEC Cable Sizing Comprehensive NEC cable sizing with continuous load, ambient, bundling corrections, and voltage drop
- CEC 2024 Canadian Cable Sizing Balanced LV three-phase general-load, motor and motor-feeder cable sizing to CSA C22.1:24 with ampacity, termination, voltage-drop and prot…
- Load Cable Sizing Comprehensive load cable sizing with seven checks (CCC, VD, SC, EFL, overload coordination, earth conductor size and withstand)
- Protection Coordination TCC Time-Current Characteristic curve generation and coordination analysis
- Cable Size Range Range of standard cable sizes that conform for a given load and installation (CCC, VD, SC, EFL, overload coordination, earth conductor size…
- Cable Permissible Load Largest load and protective device a cable may carry for its installation (CCC, VD, SC, EFL, overload coordination, earth conductor size an…
- Motor Cable Selection Chart Chart of the longest permissible cable run for each preferred motor rating and cable size (running and starting voltage drop, earth fault l…
- Load Cable Sizing (1-Phase) Single-phase load cable sizing with six checks (CCC, VD, SC, EFL, earth size, earth withstand)
- Motor Cable Sizing (1-Phase) Single-phase motor cable sizing with six critical checks (CCC, VD, SC, EFL, earth size, earth withstand)
- Cable Volt Drop Table Maximum cable length matrix based on running voltage drop per AS/NZS 3008.1.1:2017