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A grid simulator is required to have control over the key grid characteristics that may expose system compatibility problems related to the integration of distributed generation (DG) to the ac grid. This paper presents the development of a grid simulator that provides controllability of the impedance, voltage, harmonics and frequency at the ac interconnection of several DG units. In the implementation...
This paper presents a new current control method for dual-boost single-phase power-factor-correction (PFC) converters. A dual-boost PFC converter is more efficient than the conventional boost PFC converter by virtue of the elimination of one semiconductor device in the main current path, but is more difficult to control using the existing PFC control method due to the need to sense ac input current...
This paper presents a feasibility study of real-time simulation of power electronic circuits using analog IC technologies. Unlike conventional analog simulation where a mathematical model is developed first and then implemented by using op-amps, the proposed approach simulates a power electronic circuit directly by analog devices and components. Capacitors and switches are shown to be amenable to...
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