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The ever mounting demand of electrical energy and the keen scarcity of conventional energy sources leads to the burgeon of distributed generation (DG) system. The main abstruse is the harmonization of the DG to the utility grid. Generally current regulated PWM voltage-source inverters (VSI) are used for synchronizing the utility grid with DG source in order to meet the following objectives: 1) To...
Power quality problems such as variation of reactive power consumption and distorted current injection in distributed generation system can be compensated by a single-phase conditioner. The proposed conditioner works in feed forward mode and placed in parallel with the PV-inverters in the distributed generation system. A simple current extraction method is applied and an operating algorithm of the...
This paper proposes a time-optimal current-control (TOCC) algorithm for a space vector modulation-based voltage-source converter. The term “time optimal” refers to optimally controlled reference current tracking in order to gain the shortest durations of current transients. The dynamics of the proposed controller are compared with a nonlinear hysteresis controller known for its good dynamic performance...
This paper presents a three-phase Active Power Conditioner to improve power quality in microgrids based on renewable energy. A microgrid is a weak electrical grid which can be easily subject to disturbances. The Active Power Conditioner (APC) presented in this paper acts as an interface between renewable energy sources and the AC bus of a microgrid and uses an improved control strategy, which makes...
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