Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2007-06-28
2010-12-07
He, Amy (Department: 2831)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S623000
Reexamination Certificate
active
07847579
ABSTRACT:
Methods and systems for evaluating a permanent magnet motor are provided. The method includes the steps of spinning a rotor of the permanent magnet motor; determining a total harmonic distortion of the permanent magnet motor; and comparing the determined total harmonic distortion of the permanent magnet motor with a baseline total harmonic distortion.
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Sheth, N.K. et al. “Effect of Skewing the rotor teeth on the Performance of Doubly Salient Permanent Magnet Motors,” Journal of Applied Physics, 2006, vol. 99, No. 8.
Total Harmonic Distortion. Wikipedia, the free encyclopedia. [Retrieved on May 21, 2010]. Retrieved from Internet: <URL: http://en.wikipedia.org/w/index.php?title-Total—harmonic—distortion&oldid=136821595>.
German Office Action dated Jun. 8, 2010, for Application No. 102008029878.
Kaiser Edward L.
Laba Matthew D.
Rahman Khwaja M.
GM Global Technology Operations Inc.
He Amy
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