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This paper proposed the design of wide-area robust damping (WARD) controller for multiple Flexible AC Transmission Systems (FACTS) devices to enhance the stability of power system with considering time delay of wide-area signals. Firstly, as power systems interconnect more and more to exchange large amounts, wide-area measurement system (WAMS) is widely applied to monitor and control the interconnected...
This paper presents the design of the thyristor valve for the 3 Gorges-Shanghai II 3000MW, ±500kV HVDC scheme. The thyristor valves are based on AREVA's H400 series valve design using 7.2kV 5" electrically-triggered thyristor technology and the scheme is the first application of the valve design for such a voltage level. Details of the valve configuration, the cooling circuit, as well as the...
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