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Regarding nonlinear operation of DSTATCOM, nonlinear controller is preferred to linear controller. Regulating and fixing the capacitor DC voltage in DSTATCOM can improve the system dynamic. The nonlinear control is based on exact linearization via feedback. There is a PI controller in this control system to regulate DC voltage. In conventional scheme, the trial and error method is used to determine...
The need for improving the performance of the distribution static compensator (DSTATCOM) is sensed more and more due to the importance of the system power quality. Hence, in this paper, one of the nonlinear control methods which is named exact linearization via feedback in DSTATCOM application is developed. In this new multiple input multiple output (MIMO) control method, Vdc and iq are controlled...
Cascaded multi-level converters have some noticeable advantages such as high reliability, efficient fault management capability, simple structure, and adaptability with different power levels. Furthermore, these converters could be connected to medium-voltage networks without an isolating transformer. However, the voltage balancing of the DC capacitors is a highly challenging task particularly in...
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