Inductor devices – Polyphase
Reexamination Certificate
2011-06-28
2011-06-28
Mai, Anh T (Department: 2832)
Inductor devices
Polyphase
C336S221000, C336S180000, C323S355000
Reexamination Certificate
active
07969265
ABSTRACT:
A transformer includes a zigzag transformer comprising first, second and third magnetic cores. The transformer further includes an auxiliary winding set comprising respective pairs of series-connected windings on respective pairs of the first, second and third magnetic cores, the pairs of series-connected windings having respective first terminals connected to respective AC phases of the zigzag autotransformer and respective second terminals configured to provide respective AC output phases.
REFERENCES:
patent: 3585452 (1971-06-01), Goodwin
patent: 3678338 (1972-07-01), Beachley
patent: 4156185 (1979-05-01), Kelley et al.
patent: 5982262 (1999-11-01), Levin
patent: 7049921 (2006-05-01), Owen
patent: 7170268 (2007-01-01), Kim
patent: 7274280 (2007-09-01), Paice
patent: 7489485 (2009-02-01), A F Klercker Alakula et al.
patent: 2002/0105816 (2002-08-01), Boudrias et al.
patent: 2006/0126242 (2006-06-01), Datta et al.
patent: 2007/0290670 (2007-12-01), Lee
Singh et al., “Zigzag Connected Autotransformer Based Controlled AC-DC Converter for Pulse Multiplication”, 2007 IEEE Int'l Symposium on Ind. Electronics (ISIE), pp. 889-894 (Jun. 2007).
Catalog, ACME Electric, Power Distribution Products Division, 2005, pp. 1, 31, 156.
Eaton Corporation
Mai Anh T
Myers Bigel Sibley & Sajovec P.A.
LandOfFree
Zigzag autotransformer apparatus and methods does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Zigzag autotransformer apparatus and methods, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Zigzag autotransformer apparatus and methods will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2661231