Produce standard IEEE transformer capacities for calculated demand based on load characteristics like power factor, diversity factor, harmonics analysis, and motor starting characteristics guided by IEEE sizing recommendations. See Documentation .
Voltage System
1Ø, 3-Wire, Split-Phase — 115/230 V
1Ø, 3-Wire, Split-Phase — 120/240 V
3Ø, 3-Wire, Δ — 230 V
3Ø, 3-Wire, Δ — 240 V
3Ø, 4-Wire, Δ (High-Leg) — 115/230 V
3Ø, 4-Wire, Δ (High-Leg) — 120/240 V
3Ø, 4-Wire, Y — 120/208 V
3Ø, 4-Wire, Y — 230/400 V
3Ø, 4-Wire, Y — 240/415 V
3Ø, 4-Wire, Y — 277/480 V
3Ø, 4-Wire, Y — 347/600 V
Transformer Configuration
Diversity Factor
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)
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 (kVA) Overall Power Factor
Output – Motor Starting Analysis
Parameter
Value
Number of Single Phase Motor Loads 0 Number of Three Phase Motor Loads 0 Single Phase Motor Loads Running Demand (kVA) 0 Three Phase Motor Loads Running Demand (kVA) 0 Total Motor Load Running Demand (kVA) 0 Motor Load Share (%) 0 Largest Motor Running Demand (kVA) — Largest Motor Starting Demand (kVA) 0 Total Demand During Motor Starting (kVA) 0
Output – Harmonic Loads Analysis
Parameter
Value
Number of Single Phase Harmonic Loads 0 Number of Three Phase Harmonic Loads 0 Running Demand of Harmonic Loads (kVA) 0 Harmonic Share (%) 0 Severity Level None Recommended K-Rating K-1 Transformer Derating Factor 1.00x Derated Share of Running Demand (kVA) — Harmonic-Derated Running Demand (kVA) —