Iron Loss in Measuring Instrument Circuits Formulas

Iron Loss refers to the electrical power dissipated as heat in the iron core of the instrument. It occurs due to magnetic hysteresis and eddy currents induced in the core material. And is denoted by P_i. Iron Loss is usually measured using the Watt for Power. Note that the value of Iron Loss is always positive.

Measuring Instrument Circuits formulas that make use of Iron Loss

fxWattmeter ReadingGo

fxVoltage applied to wattmeter pressure coilGo

FAQ

What is the Iron Loss?

Iron Loss refers to the electrical power dissipated as heat in the iron core of the instrument. It occurs due to magnetic hysteresis and eddy currents induced in the core material. Iron Loss is usually measured using the Watt for Power. Note that the value of Iron Loss is always positive.

Can the Iron Loss be negative?

No, the Iron Loss, measured in Power cannot be negative.

What unit is used to measure Iron Loss?

Iron Loss is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Iron Loss can be measured.

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