Transformer sizing integrated with analysis
Transformers aren't standalone devices — they sit in a system. ekx sizes them in context, considering the actual loads, fault currents, and voltage requirements of your design.
What you get
Transformer kVA sized based on actual connected load and demand factors in your model.
Transformer impedance is part of the short circuit and load flow analysis — not a separate data entry.
See how transformer selection affects voltage at downstream buses.
Transformer impedance affects fault currents throughout the system. Changes are reflected immediately.
Selection from standard transformer kVA ratings.
Sizing considers the entire system, not just the immediate load.
Transformer sizing in system context
Sizing a transformer in isolation misses the picture. ekx sizes transformers as part of the complete system model, so you see the real impact on voltages, fault currents, and loading.
- kVA sizing based on actual connected load in your model
- Impedance feeds directly into short circuit and load flow
- Voltage drop at downstream buses updates with transformer selection
- Standard kVA sizes for practical equipment selection
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Free tier includes 1 project with up to 2 buses. Paid plans start at $27/month for consultants and $149/month for unlimited access.
View All PlansFrequently asked questions
Based on the connected load in your model, considering demand factors and circuit configuration. The transformer is part of the system model, so sizing considers actual conditions.
Yes. Transformer impedance is a key input to both short circuit and load flow calculations. It directly affects fault currents and voltage drop at downstream buses.
Yes. You can enter custom kVA ratings, impedance values, and tap settings. Auto-sized values can always be overridden.
Yes. Sizes are selected from standard kVA ratings commonly available from manufacturers.
Size transformers in system context.
Integrated with load flow and short circuit — not a standalone calculator.
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