Impact Star Torque
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Impact Star Torque
What is the difference in the DQ transformation of delta versus wye stator wound PM sync machine?
Hi Folks... Appreciate your help with this one that I have been wondering about lately. 
It appears that most published literature (white papers) and texts like Krause or Ong really do not clarify if there are DQ transformation differences for PM synchronous machines with different stator winding configurations (delta vs wye). All tend to work out DQ transformations from wye (star) stator configuration. I assume however that it does in fact work out similarly, however perhaps the electromagnetic torque expression is likely impacted?
Can anyone clarify or point me to a paper, book, or other resource that does?
Thanks in advance...
"Vector control and dynamics of AC drives" by Novotny and Lipo of the University of Wisconsin, Madison.
Also, since the difference between delta and wye windings is theoretically a phase difference of 60 degrees.. your DQ (park's ) transform would simply be a factor of -1.
Makita LCT300W 18-Volt Compact Lithium-Ion Cordless 3-Piece Combo Kit