Electrical / Electronics
Transformer apparent power
Calculates primary and secondary apparent power from voltage and current.
Related calculators
Transformer secondary voltage helper
Helper calculation for ideal transformer secondary voltage from primary voltage and turn counts.
Transformer secondary current
Calculates ideal transformer secondary current from turns ratio.
Single-phase apparent power
Calculates single-phase apparent power from RMS voltage and RMS current.
Transformer secondary current from apparent power
Calculates ideal transformer secondary current from apparent power and secondary voltage.
Reflected transformer impedance
Calculates impedance reflected to the primary side of an ideal transformer.
Transformer copper loss
Calculates primary and secondary I²R winding losses from currents and resistances.