What does the space angle α in the equation Fr(α,t)=3/2Fmcos(α-ωt) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?

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Electrical Machines Practice Test: Basic Concepts in Rotating Machines — practice the complete quiz, review flashcards, or try a random question.

Basic Concepts in Rotating Machines topics include: Rreluctance motor, synchronous motors, singly and doubly excited systems, torque production, rotating machines terms and rotating magnetic field. Rotating machines have four main parts: Mechanical stator: The stationary part of the machine Electrical field winding: The rotating magnetic field component Mechanical rotor: The rotating part of the machine Electrical armature winding: The current producing component Windings: All rotating electrical machines have two windings, one on the stator and one on the rotor. The winding that... Show more

What does the space angle α in the equation F<sub>r</sub>(α,t)=3/2F<sub>m</sub>cos(α-ωt) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?