Field Resistance in AC Machines Formulas

Field resistance refers to the electrical resistance of the field winding or field coil in a machine such as a generator or motor. And is denoted by R_f. Field Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Field Resistance is always positive.

Formulas to find Field Resistance in AC Machines

fxField ResistanceGo

AC Machines formulas that make use of Field Resistance

fxField Coil VoltageGo

fxField CurrentGo

List of variables in AC Machines formulas

fx Turns per Coil Go

fx Resistivity Go

fx Length of Mean Turn Go

fx Area of Field Conductor Go

FAQ

What is the Field Resistance?

Field resistance refers to the electrical resistance of the field winding or field coil in a machine such as a generator or motor. Field Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Field Resistance is always positive.

Can the Field Resistance be negative?

No, the Field Resistance, measured in Electric Resistance cannot be negative.

What unit is used to measure Field Resistance?

Field Resistance is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Field Resistance can be measured.

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