29 Simple machine analysis

29 Simple machine analysis - Lecture 25 Simple Machine...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 25 Simple Machine Analysis Consider a stator and a rotor with a winding each. Let us define now the stator and rotor axis to be perpendicular to the winding directions as shown in the figure. Figure 1 - Machine axis q is the angle between the stator and the rotor axis. Figure 2 - Stator and rotos axis Clearly, if the rotor is turning at a constant angular speed ω m then the angle between the rotor and the stator is time dependant. () 0 m tt θω θ =+
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The current through the stator winding produces a magnetic field around the iron core, through the air gap and through the rotor core as shown in the following picture. Figure 3 - Magnetic field due to stator currents The flux linkage in this case is ss N λ Where Φ is the total flux linking the stator winding. The mmf loss of the iron is negligible and the air gap is hence dominant. Therefore we can consider the behavior between λ and i to be linear and thus possible to define an inductance matrix.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/27/2011 for the course ECSE 361 taught by Professor Franciscodgaliana during the Spring '09 term at McGill.

Page1 / 5

29 Simple machine analysis - Lecture 25 Simple Machine...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online