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In conventional control systems for a static synchronous compensator (STATCOM) based on a cascaded H-bridge multilevel converter, the action of individual voltage controllers that balance capacitor voltages can alter the output of a cluster voltage controller and a current controller due to a coupling effect. In this paper, first, the conditions that eliminate this coupling effect are derived, and...
The integration of large-scale PV systems to the grid is a growing trend in modern power systems. The cascaded H-bridge (CHB) converter is a suitable candidate for the grid interconnection due to its modular characteristics, high-quality output waveforms and capability of connecting to mediumvoltage grids. However, the CHB converter requires isolated DC sources. In order to avoid the leakage currents...
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