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Current source cascaded H-bridge (CSCHB) inverters can be a good alternative to manage voltage, current and frequency in a medium-voltage load. The power quality achieved by this type of converters and their ability to boost the output voltage without the need of a DC / DC converter in the DC link, have drawn attention to it as a suitable alternative to be used as the interface between DC sources...
A discrete-time linear control strategy for a multilevel three-phase unified power quality conditioner (UPQC) based on single-phase power cells is presented. The multi-variable, nonlinear, and coupled features of these topologies make the control strategy design a difficult task. Controlling this kind of system with single-variable linear controllers—as proposed in this work—presents significant advantages...
A discrete-time linear control scheme for a multilevel three-phase Unified Power Quality Conditioner (UPQC) based on Single-Phase Power Cells is presented. The multi-variable, non-linear, and coupled features of these topologies make the control strategy design a difficult task. Controlling this kind of systems with mono-variable linear controllers - as proposed in this work - presents significant...
The Custom Power Devices provide compensation capabilities to mitigate Power Quality problems related with harmonics and reactive power. In this work, two different reactive power and dc-voltage linear control schemes are developed for the DSTATCOM. The proposed control schemes are systematically designed and finally implemented on a DSP based system. Consequently, the design procedure is carried...
The Unified Power Quality Conditioner (UPQC) is a custom solution for power quality problems. The equipment corresponds to the back-to-back connection of a series and a shunt active filter, so the topology acquires the characteristics of both filters. It has the ability to compensate for voltage disturbances while improving the power quality for both the client and the distributor. In the present...
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