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Unified power quality conditioner (UPQC) is a custom power device which is used intended for mitigation of voltage and current associated power quality problems in power distribution system. The considered topology to take a reduced dc-link voltage which enables the UPQC deprived of conceding its compensation capability. Active power filter mainly classified based on converter used i.e. constructed...
This paper presents a novel control scheme for unified power quality conditioner (UPQC) based on three-level neutral point clamped (NPC) inverter using fuzzy logic and Ann's for controlling respectively series and shunt APFs. The proposed UPQC is able to mitigate source current harmonics and compensate all voltage disturbances. It is designed by the integration of series and shunt active filters (AFs)...
This paper presents a new PAC-SRF based approach for UPQC to be used in single phase distribution systems. A necessary phase angle shift of load voltage is introduced with respect to the source voltage using the power angle control concept in order to integrate a reactive power sharing feature for series inverter part of UPQC. Synchronous reference frame (SRF) based controller is adapted for both...
This paper deals with the dynamic performance of a solar PV array integrated UPQC-P (SPV-UPQC-P) for use along with critical loads. The shunt compensator of SPV-UPQC-P is connected across the load and compensates for reactive power along with supplying the power from PV array into the grid. The series converter of SPV-UPQC-P compensates for the sags and swells in utility grid voltage. A suitable voltage...
Adaptive linear neuron (ADALINE) is a powerful estimation technique that has been used in power system applications, such as fault detection and classification, and shunt active power filter (APF). In this paper, an ADALINE based approach for control of three-phase three-wire unified power quality conditioner (UPQC) is presented. Two ADALINEs are used in the UPQC control strategy, one for load current...
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