kVA Tools logokVA ToolsBETA Transformer Bench


Input — System Configuration

Input — Load Details

Load Quantity Phase Voltage (V) Power Rating Harmonic Load Motor Load Power Factor Demand Factor kW kVAR Current (A) kVA

Output — Results

Transformer Transformer Running Demand (kVA) Harmonic Penalty (kVA) Harmonic-Adjusted Transformer Running Demand (kVA) IEEE Standard Capacity (kVA) Remarks Largest Motor Starting Demand (kVA) Total Demand During Largest Motor Starting (kVA) Motor Starting Check

Output — System Summary

Parameter (Diversified) Calculated Demand (kVA) % of Total
Number of Load Categories (Rows)
Number of Loads
Total Running kW
Total Running KVAR
Total Running Demand (Source kVA)
Overall Power Factor

Output — Motor Starting Summary

Parameter Value
Number of 1Ø Motor Loads
Number of 3Ø Motor Loads
1Ø Motor Loads Running Demand (kVA)
3Ø Motor Loads Running Demand (kVA)
Total Motor Load Running Demand (kVA)
Motor Load Share (%)
Largest Motor Running Demand (kVA)
Largest Motor Starting Demand (kVA)
Total Demand During Motor Starting (kVA)

Output — Harmonic Loads Summary

Parameter Value
Number of 1Ø Harmonic Loads
Number of 3Ø Harmonic Loads
Running Demand of Harmonic Loads (kVA)
Harmonic Share (%)
Severity Level
Recommended K-Rating
Transformer Derating Factor
Derated Share of Running Demand (kVA)
Harmonic-Derated Running Demand (kVA)