Systems and methods to evaluate permanent magnet motors

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

REFERENCES:
patent: 4703243 (1987-10-01), Ettelman et al.
patent: 5078008 (1992-01-01), Yagi et al.
patent: 7105973 (2006-09-01), Brewster et al.
patent: 7275003 (2007-09-01), Koh
patent: 7397216 (2008-07-01), Schroeder et al.
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.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Systems and methods to evaluate permanent magnet motors does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Systems and methods to evaluate permanent magnet motors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Systems and methods to evaluate permanent magnet motors will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4150721

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.