Electrical transmission or interconnection systems – Combined impedance and switch systems
Reexamination Certificate
2007-02-06
2007-02-06
Nguyen, Chau N. (Department: 2836)
Electrical transmission or interconnection systems
Combined impedance and switch systems
C323S205000
Reexamination Certificate
active
10501076
ABSTRACT:
Equipment for exchanging power, in shunt connection, with an electric power network. A reactive impedance element and a voltage source converter provide mutual connection in series. The power network has a nominal voltage of a fundamental frequency and a given phase position. The converter is intended for generating a fundamental-tone voltage within a control range which limits the amplitude of the fundamental-tone voltage. The control range limits the amplitude of the fundamental-tone voltage to a value that is lower than the nominal voltage of the power network and comprises generation of a reactive component of the fundamental-tone voltage with a phase position that either coincides with the phase position for the voltage of the power network, or that deviates by 180° electrically form the phase position for the voltage of the power network.
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Bijlenga Bo
Noroozian Mojtaba
Thorvaldsson Björn
ABB AB
Franklin Eric J.
Nguyen Chau N.
Venable LLP
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