Title:
A HYBRID DISTRIBUTION TRANSFORMER WITH AC & DC POWER CAPABILITIES
Document Type and Number:
WIPO Patent Application WO/2010/091260
Kind Code:
A3
Abstract:
A hybrid transformer is provided that includes an electromagnetic transformer and an AC-AC converter with a DC bridge. The AC-AC converter is operable to keep the input voltage and current of the hybrid transformer substantially in phase and to reduce fluctuation in the output voltage of the hybrid transformer in the event of an increase or decrease in the input voltage.
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Inventors:
HAJ-MAHARSI MOHAMED Y (US)
TANG LE (US)
GUTIERREZ RAFAEL (US)
BALA SANDEEP (US)
TANG LE (US)
GUTIERREZ RAFAEL (US)
BALA SANDEEP (US)
Application Number:
PCT/US2010/023332
Publication Date:
December 02, 2010
Filing Date:
February 05, 2010
Export Citation:
Assignee:
ABB RESEARCH LTD (CH)
HAJ-MAHARSI MOHAMED Y (US)
TANG LE (US)
GUTIERREZ RAFAEL (US)
BALA SANDEEP (US)
HAJ-MAHARSI MOHAMED Y (US)
TANG LE (US)
GUTIERREZ RAFAEL (US)
BALA SANDEEP (US)
International Classes:
H02M5/10; H02M1/42; H02M5/45; H02M5/458
Foreign References:
| US20050111245A1 | 2005-05-26 | |||
| US20080179951A1 | 2008-07-31 | |||
| US20070223258A1 | 2007-09-27 | |||
| US20010026460A1 | 2001-10-04 | |||
| US20080180055A1 | 2008-07-31 | |||
| JP2004104909A | 2004-04-02 | |||
| JPH1084674A | 1998-03-31 |
Other References:
ALLEN HEFNER ET AL: "Recent Advances in High-Voltage, High-Frequency Silicon-Carbide Power Devices", THE 2006 IEEE INDUSTRY APPLICATIONS CONFERENCE FORTY-FIRST IAS ANNUAL MEETING, CONFERENCE RECORD OF, IEEE, PISCATAWAY, NJ, US, 1 October 2006 (2006-10-01), pages 330 - 337, XP031026053, ISBN: 978-1-4244-0364-6
Attorney, Agent or Firm:
KATTERLE, Paul, R. (29801 Euclid AvenueWickliffe, OH, US)
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