Electricity: power supply or regulation systems – For phase shift or control – Using transformer
Reexamination Certificate
2006-03-28
2010-12-14
Sterrett, Jeffrey L (Department: 2838)
Electricity: power supply or regulation systems
For phase shift or control
Using transformer
C323S232000, C323S340000, C323S352000, C323S361000
Reexamination Certificate
active
07852050
ABSTRACT:
A device for control of power flow in a three-phase ac transmission line. The device includes a series transformer unit, a shunt transformer unit, and a reactance unit.
REFERENCES:
patent: 3821456 (1974-06-01), Havas
patent: 5166597 (1992-11-01), Larsen et al.
patent: 5227713 (1993-07-01), Bowler et al.
patent: 5469044 (1995-11-01), Gyugyi et al.
patent: 5619119 (1997-04-01), Pelletier et al.
patent: 5907239 (1999-05-01), Pelletier et al.
patent: 6737837 (2004-05-01), Halvarsson et al.
patent: 2008/0157748 (2008-07-01), Berggren et al.
patent: 2008/0258559 (2008-10-01), Berggren et al.
patent: 2008/0265848 (2008-10-01), Berggren et al.
patent: 2009/0134850 (2009-05-01), Berggren et al.
patent: 2009/0218993 (2009-09-01), Berggren et al.
patent: 2009/0251932 (2009-10-01), Owen
Bridenbaugh et al, “Voltage control improvement through capacitor and transformer tap optization”, Feb. 7, 1992 IEEE transactions on powwer systems, No. 1, pp. 222-227.
Bjelogrlic et al, “Application of Newtons optimal power flow in voltage/reactive power control”, 1989 IEEE, pp. 105-111.
Larsen, “A classical approach to consrtructing a power flow controller”, 1999 IEEE, pp. 1192-1195.
Gerbex et al, “Optimal location of muti-type FACTS devices in a power system by means of genetic algorithms”, Aug. 2001 IEEE transactions on power systems, vol. 16, No. 3, pp. 537-544.
International Search Report, dated Oct. 27, 2006, issued in related International Application No. PCT/SE2006/000380.
Written Opinion of the International Searching Authority, dated Oct. 27, 2006, issued in related PCT/SE2006/000380.
Berggren Bertil
Noroozian Mojtaba
ABB Research Ltd.
Franklin Eric J.
Sterrett Jeffrey L
Venable LLP
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