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

Формула

Generator kW = Total Running Watts + Largest Motor Starting Watts

Водич чекор-по-чекор

  1. 1Sum all running loads, add starting surge for largest motor
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Worked Examples

Влез
5000W running + 3000W motor start
Резултат
Generator = 8000W → use 10kW generator

Common Mistakes to Avoid

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

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