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This paper investigates a nine-switch converter topology for STATCOM (Static Synchronous Compensator) application as well as the developed controller and the modulation strategy. The focus of the paper is to study the grid code compliance of a wind farm integrated into the grid while using the aforementioned converter topology. A numerical example is also given so as to examine the dynamic range of...
This paper explains the working principles, supported by simulation results, of a new converter topology intended for HVDC applications, called the alternate arm converter (AAC). It is a hybrid between the modular multilevel converter, because of the presence of H-bridge cells, and the two-level converter, in the form of director switches in each arm. This converter is able to generate a multilevel...
With respect to the deficiency of the output modeling, topology modeling and switching function modeling of the STATCOM, this paper states the voltage regulating principle of the STATCOM and analyzes the switch characteristics of the voltage source converter controlled by the SPWM, then deduces the duty ratio of each switches based on the switching function. Then, introduces the switching system concept...
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