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Title: Brushless exciters using a high temperature superconducting field winding

Abstract

A brushless exciter for a synchronous generator or motor generally includes a stator and a rotor rotatably disposed within the stator. The rotor has a field winding and a voltage rectifying bridge circuit connected in parallel to the field winding. A plurality of firing circuits are connected the voltage rectifying bridge circuit. The firing circuit is configured to fire a signal at an angle of less than 90.degree. or at an angle greater than 90.degree.. The voltage rectifying bridge circuit rectifies the AC voltage to excite or de-excite the field winding.

Inventors:
 [1];  [2];  [3];  [3];  [4];  [5]
+ Show Inventor Affiliations
  1. Schenectady, NY
  2. Clifton Park, NY
  3. Scotia, NY
  4. Tribes Hill, NY
  5. Chesterfield, MO
Issue Date:
Research Org.:
GE Global Research, Niskayuna, New York (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
970388
Patent Number(s):
7345457
Application Number:
11/326,978
Assignee:
General Electric Company (Niskayuna, NY)
Patent Classifications (CPCs):
H - ELECTRICITY H02 - GENERATION H02P - CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS
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DOE Contract Number:  
FC36-02GO11101
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Garces, Luis Jose, Delmerico, Robert William, Jansen, Patrick Lee, Parslow, John Harold, Sanderson, Harold Copeland, and Sinha, Gautam. Brushless exciters using a high temperature superconducting field winding. United States: N. p., 2008. Web.
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Garces, Luis Jose, Delmerico, Robert William, Jansen, Patrick Lee, Parslow, John Harold, Sanderson, Harold Copeland, & Sinha, Gautam. Brushless exciters using a high temperature superconducting field winding. United States.
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Garces, Luis Jose, Delmerico, Robert William, Jansen, Patrick Lee, Parslow, John Harold, Sanderson, Harold Copeland, and Sinha, Gautam. Tue . "Brushless exciters using a high temperature superconducting field winding". United States. https://www.osti.gov/servlets/purl/970388.
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@article{osti_970388,
title = {Brushless exciters using a high temperature superconducting field winding},
author = {Garces, Luis Jose and Delmerico, Robert William and Jansen, Patrick Lee and Parslow, John Harold and Sanderson, Harold Copeland and Sinha, Gautam},
abstractNote = {A brushless exciter for a synchronous generator or motor generally includes a stator and a rotor rotatably disposed within the stator. The rotor has a field winding and a voltage rectifying bridge circuit connected in parallel to the field winding. A plurality of firing circuits are connected the voltage rectifying bridge circuit. The firing circuit is configured to fire a signal at an angle of less than 90.degree. or at an angle greater than 90.degree.. The voltage rectifying bridge circuit rectifies the AC voltage to excite or de-excite the field winding.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 18 00:00:00 EDT 2008},
month = {Tue Mar 18 00:00:00 EDT 2008}
}
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