rotor slots - Design of Synchronous machine.pdf b888 slot

The document discusses the design considerations for a synchronous generator with a round rotor. It covers topics such as: - The maximum allowable rotor peripheral speed is typically 250 m/s for modern steel alloys. - Formulas are provided for calculating copper resistivity based on temperature, as well as the number of turns and conductor size for the generator armature winding. - Other factors discussed include the number of armature slots based on the number of phases, length/diameter ratio, air gap size selection, and rotor slot design considerations such as the number of poles and slots. - Download as a PDF, PPTX or view online for free

Study on Stator-Rotor Misalignment in Modular Permanent Magnet Synchronous Machines with Different Slot/Pole Combinations.

An electric machine includes a stator core defining a number of stator slots (S) extending along a longitudinal axis and angularly spaced about the longitudinal axis. The machine includes a rotor assembly rotatable relative to the stator core and defining first and second ends. The rotor assembly includes a plurality of laminations stacked between the first and second ends. Each respective one of the plurality of laminations defines a number of rotor slots (R) positioned along an outer periphery. A stator slot pitch is defined as 360 divided by the number of stator slots (S). A rotor slot pitch is defined as 360 divided by the number of rotor slots (R) in each respective one of the plurality of laminations. The laminations are skewed relative to each other. An optimal rotor skew angle is determined by the greater of the stator slot pitch and rotor slot pitch.