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Selection of the DG interconnection protective relay is based on several criteria such as power system characteristics, the dynamic response of the generator, the system grounding, the DG transformer connection, etc., as well as the protection policy of the utility and coordination requirements. The interconnection protection IED design can be summarized as follows: Disconnection of DG plants when...
This paper reviews the impact of distributed generation (DG) penetration on power system stability. It discusses the dynamic impact of stand-alone or grid-connected DG or hybrid power systems on the transient and small signal stability of power systems. Modeling and simulation techniques and software required for such studies and applicability of intelligent techniques in assessing transient and small...
To achieve improvement of reliability and seamless transition between interconnected mode and islanding mode, the splitting strategy of intentional islanding of distributed generation (DG) is studied. This paper proposes rooted tree to model DG island separation according to the radial structure and service restoration process of distribution system. The level and directed properties of rooted tree...
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