how to calculate the kva rating of a three phase transformer?

Tagged: answer, FAQ, power transformer, question, transformer

This topic has 1 reply, 2 voices, and was last updated 3 months, 2 weeks ago by Alex Barberá.

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02.04.2026 at 17:12 #8214

Emilio
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how to calculate the kva rating of a three phase transformer?

02.04.2026 at 17:24 #8215

Alex Barberá
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To calculate the kVA rating of a three-phase transformer, use the formula: kVA = ?3 � V � I, where V is the line-to-line voltage in volts and I is the current in amperes. Ensure that both voltage and current are in their respective units. This formula accounts for the three-phase power factor, providing an accurate kVA rating essential for transformer sizing and application in electrical systems.
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