Overview
Calculators
8
Phase Support
1Φ & 3Φ
Fuel Types
Diesel/Gas
Standards
IEC / BS
Calculators
Generator Size (kVA)
Required Generator Capacity
kVA = kW / PF | Add 20–25% safety margin
Required kW
—
Required kVA
—
Recommended
—
Fuel Consumption
Diesel / Gas Consumption Rate
Diesel ≈ 0.27 L/kWh | Gas ≈ 0.35 m³/kWh
Per Hour
—
Per Day
—
Generator Current (Amp)
Output Current from kVA / kW
I = kVA×1000 / (√3×V) [3Φ] | I = kVA×1000 / V [1Φ]
Output Current
—
kVA ↔ kW Converter
Active / Apparent Power Conversion
kW = kVA × PF | kVA = kW / PF
kVA
—
kW
—
kVAR
—
Generator Efficiency
Electrical Output Efficiency
η = (Output kW / Input kW) × 100%
Input Power
—
Efficiency
—
Generator Running Cost
Daily / Monthly Operating Cost
Cost = Fuel/hr × Price/L × Hours
Cost/Hour
—
Daily Cost
—
Monthly Cost
—
Alternator Output
Voltage, Frequency & Synchronous Speed
Ns = (120 × f) / P [RPM]
Sync Speed
—
Output Current
—
Output kW
—
Load Bank Test & Derating Calculator
Altitude, Temperature & Load Derating for Generator Output
Derating: ~1% per 100m altitude above 1000m | ~1% per 5°C above 40°C
Alt. Derating
—
Temp. Derating
—
Total Derating
—
Derated Output
—
Step 1 Load
—
Step 2 Load
—
Step 3 Load
—
