Electricity: power supply or regulation systems – For reactive power control – Using impedance
Reexamination Certificate
2011-07-26
2011-07-26
Behm, Harry (Department: 2838)
Electricity: power supply or regulation systems
For reactive power control
Using impedance
C307S105000
Reexamination Certificate
active
07986132
ABSTRACT:
A one-phase static var compensator apparatus includes a compensator string consisting of a first static var compensator connected serially to a thyristor valve. The compensator string is arranged to be connected on its first end to one phase of a transmission grid of a rated voltage exceeding 69 kV. Moreover, the thyristor valve includes a plurality of thyristors connected serially and the compensator string is arranged to be directly connected to the transmission grid. A corresponding three phase apparatus is also presented.
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International Search Report and Written Opinion of the International Searching Authority; PCT/EP2008/055794; 7 pages.
Angquist Lennart
Paulsson Lars
Petersson Ake
Thordvaldsson Bjorn
ABB Technology AG
Behm Harry
Grubb Matthew
St. Onge Steward Johnston & Reens LLC
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