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All Updated Guides
Power Factor Formula (PF = kW ÷ kVA) with Examples
Instant power factor formula PF = kW ÷ kVA with 0.8/0.95 examples. Free—then convert sizing with the kW to kVA calculator.
Read Full ArticleHow to Calculate Transformer Rating for Your Load
Size distribution transformers in kVA: gather loads, apply diversity and power factor, add margins, pick standard kVA—includes 3-phase formulas, a worked example, and links to deeper sizing guides.
Read Full ArticleTransformer Sizing Formula (kVA = kW ÷ PF — Free Examples)
Free transformer sizing formula: base kVA = demand kW ÷ PF, then duty checks and catalog steps. Worked examples—verify instantly in the kVA calculator.
Read Full Article3 Phase Power Explained: Wye vs Delta, 120° & Uses
What is 3-phase power? Learn 120° phases, line vs phase voltage, wye/delta & why factories use it—not a calculator; links to formula guide.
Read Full Article