Rotor Resistance in DC Drives Formulas

Rotor Resistance of a DC machine is the resistance of the rotor windings. The rotor resistance is a key parameter that affects the performance of a DC machine. And is denoted by r₂. Rotor Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Rotor Resistance is always positive.

DC Drives formulas that make use of Rotor Resistance

fxAir Gap Power in Three Phase Induction Motor DrivesGo

FAQ

What is the Rotor Resistance?

Rotor Resistance of a DC machine is the resistance of the rotor windings. The rotor resistance is a key parameter that affects the performance of a DC machine. Rotor Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Rotor Resistance is always positive.

Can the Rotor Resistance be negative?

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

What unit is used to measure Rotor Resistance?

Rotor 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 Rotor Resistance can be measured.

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