Calculate full load current, starting current (LRA), absorbed load, and input power (P/Q/S). NEC Art. 430 and IEC 60034 reference. Three-phase and single-phase.

// INPUTS

// MOTOR / LOAD PARAMETERS

System Type

Rated Voltage (V)

Motor Rated Output (kW)

kW (nameplate output)

Efficiency η (0–1)

Demand Factor (0–1)

Fraction of absorbed load in operation

Power Factor (0–1)

LRA/FLA Ratio (%)

Locked Rotor to Full Load Amps ratio

// RESULTS: FULL LOAD

Full Load Current (A)

Starting Current / LRA (A)

Absorbed Load (kW)

// P_IN: INPUT POWER

Effective Power P_IN (kW)

Reactive Power Q (kVAR)

Apparent Power S (kVA)

Check inputs: values must be positive and within range.

Full Load Current -A

Starting Current (LRA) -A

Absorbed Load -kW

P_IN Effective (kW) -kW

Q Reactive (kVAR) -kVAR

S Apparent (kVA) -kVA

Disclaimer: For reference and preliminary estimation only. Verify results against the applicable code, project specification, and equipment data before use in design documents. Found an error or an outdated reference? Let us know at [email protected].

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