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Generator & Transformer Analysis

Genset sizing for running + motor-starting load, transformer loss/efficiency/regulation from test data, and neutral earthing resistor/transformer sizing. Generator sizing and transformer losses are free; NGR/NET sizing is a subscriber feature.

AAJappsEngineering Calculation Report

Generator & Transformer Analysis

ISO 8528, IEEE 142, Kapp's formula

Generated

For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.

Running load

kW
kVA

Motor starting / voltage dip

%VD = (Motor Starting kVA × Xd) / Genset kVA × 100. Use X"d for the instantaneous dip, or X'd for the longer sustained dip.
kVA
%

Fuel estimate

Generic estimate only — replace with your genset's actual fuel-consumption curve for a real fuel budget.
L/kWh
$/L

Genset sizing result

Genset kVA required for running load502.9 kVA
Genset kVA required for voltage-dip limit240.0 kVA
Recommended genset rating502.9 kVA
Governing constraintRunning (steady-state) load

Fuel estimate (at recommended rating)

Fuel consumption at full load100.6 L/hr
Fuel cost per hour$120.71