Transformer - Required kVA Rating
Required transformer kVA rating given 3-phase secondary load, voltage, power-factor and 20 % safety margin.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Active load | kW | |
| Power factor | ||
| Design margin |
Source: IEC 60076 / IEC 60092-302
In short
Required transformer kVA rating given 3-phase secondary load, voltage, power-factor and 20 % safety margin.