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Grid interaction of DG units with a novel hybrid flying capacitor multicell converter which is suitable for hybrid systems, is presented in this paper. Multicell inverters have important advantages which make them a flexible solution for medium voltage/high power applications such as: lower rating of switches and lower output voltage THD. Proposed configuration of multicell inverter requires less...
This paper presents a control strategy for three phase inverter to transfer between grid-tied and islanding mode in distributed generation. It is with an inner load voltage loop and an outer grid current loop. During the transition, the regulators are not changed, as the limiters are of effect. As a result, the load voltage is very smooth during the transfer, and the realization is very simple.
Distributed generation can have an impact on distribution feeder voltage regulation, and distributed solar photovoltaics (PV) are no exception. As the penetration level of solar PV rises over the coming decades, reverse power flow on the distribution feeder will happen more frequently and the associated voltage rise might lead to violations of voltage boundaries defined by ANSI C84.1. The severity...
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