Protected exciter for an electrical power generator and...

Electricity: electrical systems and devices – Safety and protection of systems and devices – Generator protective circuits

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C361S091100

Reexamination Certificate

active

06891706

ABSTRACT:
An exciter for an electrical power generator includes a shaft, an armature connected to the shaft, a field surrounding the armature to cause the armature to generate an alternating current, and a rectifying wheel The rectifying wheel includes a plurality of semiconductor switching devices connected to the rectifying wheel and arranged in a bridge configuration for rectifying the alternating current from the field. A respective non-linear protection device is connected in parallel with each of the semiconductor switching devices.

REFERENCES:
patent: 3721843 (1973-03-01), Spisak et al.
patent: 3745505 (1973-07-01), Turnbull et al.
patent: 3852628 (1974-12-01), Spisak et al.
patent: 3896480 (1975-07-01), Harnden
patent: 4945442 (1990-07-01), Brockschmidt et al.
patent: 5077485 (1991-12-01), Rashid
patent: 5093597 (1992-03-01), Hughes
patent: 5095239 (1992-03-01), Wang
patent: 5097195 (1992-03-01), Raad et al.
patent: 5099380 (1992-03-01), Childers et al.
patent: 5155464 (1992-10-01), Cowman et al.
patent: 5183698 (1993-02-01), Stephenson et al.
patent: 5532574 (1996-07-01), Wolfe et al.
patent: 5686697 (1997-11-01), Miller et al.
patent: 5699035 (1997-12-01), Ito et al.
patent: 5731966 (1998-03-01), Liu
patent: 5750264 (1998-05-01), Ueno et al.
patent: 5831808 (1998-11-01), Girard
patent: 1 272 039 (1961-09-01), None
Studies of Non-Linear Capacitors for Application in Snubber Modules for Power Electronic Switches, J.D. Van Wyk, C.K. Campbell, M.F.K. Holm, J.J. Schoeman, Proceedings, 6thConference on Power Electronics and Motion Control (PEMC '90) vol. 1 Budapest, Oct. 1-3, 1990, pp. 42-45.
P. Wetzel, “Thyristorschutz mit Halbleitern—Wirtschaftlich und Sicher—Thyristor Protection by Means of Semiconductors—Effcient and Reliable,” BBC Nachrichten, Brown-Boveri Und Co. Ag. Mannheim, DE, vol. 59, No. 3/4, 1977, pp. 152-158.

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

Protected exciter for an electrical power generator and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Protected exciter for an electrical power generator and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protected exciter for an electrical power generator and... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3399485

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