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The use of the Voltage Source Inverter (VSI) in Distributed Power Generation Systems (DPGS) and their connection to the utility network requires low pass filters which are typically used for grid current harmonic suppression. The first-order L-filter limits the harmonic current injection generated by the DC-AC converter, but at the expenses of high inverter switching frequency in addition to a bulky...
For the grid connection of voltage source inverters (VSIs), the power passive filters are a standard solution for grid-current harmonic attenuation. However, these types of filters may cause resonance between the inverter and the grid. Passive and active damping techniques are employed for resonance attenuation. Efficiency concerns have set active damping techniques as a promising solution for the...
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