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In this paper, a design and implementation of a digital signal controller (DSC) for high frequency-based grid-tie inverter connected to wind emulator system is designed, fabricated, and tested. A 150 MHz (6.67-ns Cycle Time) Texas Instruments TMS320F28335 processor chip is used as the heart of the developed control board. DSC based board is a highly integrated, high-performance solution for demanding...
This paper proposes a new extended boost quasi Z-source inverter (ZSI) and a simple modulation and control method based on one-cycle control for controlling a grid connected PEM fuel cell energy system. ZSIs are gaining popularity. Similarly one-cycle controllers are becoming popular due to their simplicity, ease of implementation and fast response. However, this control method has not been developed...
In direct-drive wind turbine systems, a dual PWM converter for grid interface and its control strategy are presented. Following introducing the full-size AC-DC-AC converter, the principle and advantages of the dual inverter are analyzed. With the proposed method it not only divides high-level currents, making existing equipments apply to large-scale systems, but also reduces the current ripple amplitude...
Voltage source PWM rectifiers connected to the AC grid are increasingly used in different applications like stand alone power supplies, high-efficiency regenerative AC drives and grid-connected renewable energies. Fast dynamics, sinusoidal input current, and unity power factor justify its wide application. The overall system performance is strongly dependent on the PWM rectifier characteristics. The...
In this paper stability and dynamic properties of voltage and frequency droop control of power electronic converters are investigated for a distributed generation system. Droop control is utilized to share active and reactive power among the source converters. The voltage and frequency controllers are designed so that stand-alone converter operation feeding constant power loads performs satisfactory...
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