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Transformer Sizing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

ସୂତ୍ର

kVA = (Volts × Amps) / 1000 for single-phase; ×1.732 for three-phase

ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |

  1. 1Calculate load kVA, add 20% safety margin for transformer sizing
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ

ଇନପୁଟ୍
480V, 100A, three-phase
ଫଳ
kVA = (480×100×1.732)/1000 = 83.1 → use 100 kVA

ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

ସେଟିଂ