Electrical / Electronics
Transformer efficiency
Calculates transformer efficiency from output and input power.
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DC electrical power
Calculates DC electrical power from voltage and current.
Single-phase active power
Calculates single-phase active power from RMS voltage, RMS current and power factor.
Transformer efficiency from losses
Calculates efficiency from output power plus core, copper and additional losses.
Reflected transformer impedance
Calculates impedance reflected to the primary side of an ideal transformer.
Transformer apparent power
Calculates primary and secondary apparent power from voltage and current.
Transformer copper loss
Calculates primary and secondary I²R winding losses from currents and resistances.