Transformer kVA Calculator
Calculate transformer kVA ratings for single-phase and three-phase systems. Includes formulas, step-by-step sizing guides, and practical application examples.
September 17, 2025
Power & Transformers
Expert tools for power systems: calculate transformer KVA ratings, percentage impedance (%Z), and three-phase AC circuit parameters. Designed for electrical engineers sizing protective devices and regulation equipment.
Transformer Impedance Calculator
Calculate transformer percentage impedance (%Z), ohmic impedance, and fault current. Includes typical values, formulas, and step-by-step calculation guides.
September 17, 2025
Three Phase Calculator
Calculate current (Amps), real power (kW), and apparent power (kVA) for three-phase systems. Includes power triangle visualization, formulas, and key concepts.
September 9, 2025