Industrial Diesel Generator Sizing & Capacity Calculator
Our tool is designed based on ISO 8528 standards to help engineers and procurement managers determine the exact kW/kVA requirements for industrial applications.
Generator Sizing Calculator
Calculate the required generator size in kVA. Add multiple motors with different starting methods.
Input Parameters
Starting Method Selection Guide
Direct Online (DOL) - 6.0x
600%
When to use: Small motors (under 10kW), pumps, fans, conveyors
Characteristics: Full voltage starting, high starting current, simple and economical
Characteristics: Full voltage starting, high starting current, simple and economical
Star-Delta Starter - 3.0x
300%
When to use: Medium motors (10-100kW), compressors, crushers
Characteristics: Reduced starting current, smoother start, requires 6-wire motor
Characteristics: Reduced starting current, smoother start, requires 6-wire motor
Soft Starter - 2.5x
250%
When to use: Conveyors, pumps requiring controlled acceleration
Characteristics: Smooth acceleration, reduced mechanical stress, moderate cost
Characteristics: Smooth acceleration, reduced mechanical stress, moderate cost
Variable Frequency Drive (VFD) - 1.5x
150%
When to use: Precision equipment, HVAC systems, centrifugal pumps
Characteristics: Full speed control, lowest starting current, highest efficiency
Characteristics: Full speed control, lowest starting current, highest efficiency
Total kVA for all lighting equipment. Include all indoor and outdoor lighting.
Non-motor loads: Computers, HVAC systems, office equipment, etc.
Standby power: 20-25% (for emergency backup)
Prime power: 10-15% (for continuous operation)
Peak shaving: 15-20% (for load management)
Prime power: 10-15% (for continuous operation)
Peak shaving: 15-20% (for load management)
Calculation Results
Lighting Load:
0 kVA
Other Loads:
0 kVA
Motor Loads (with starting):
0 kVA
Total Connected Load:
0 kVA
Recommended Generator Size
0
kVA
Based on your input parameters and industry standards