A projective based dynamic simulation algorithm of active distribution networks
Electricity Distribution(2014)
摘要
The dynamic characteristics of active distribution networks (ADNs) need to be concerned if a large number of distributed generators are connected. A highly efficient and reliable dynamic simulation algorithm is therefore essential for the stability analysis of ADNs. This paper proposes a novel dynamic simulation algorithm of ADNs based on the projective integration method, which is a second-order explicit integration algorithm. The proposed method greatly improves the numerical stability of the traditional explicit algorithms and increases the efficiency significantly at the same time. It is especially suitable for the dynamic simulation and stability analysis of the ADNs with a large number of DGs. Case studies based on the IEEE 123-node test feeder show the effectiveness and efficiency of the proposed method, which is verified through the comparison with the commercial simulation tool DIgSILENT/PowerFactory.
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关键词
differential algebraic equations,distributed power generation,integration,numerical stability,power distribution reliability,power system simulation,power system stability,adn stability analysis,digsilent simulation tool,ieee 123-node test feeder,powerfactory simulation tool,active distribution networks,differential-algebraic equation,distributed generators,projective based dynamic simulation algorithm,projective integration method,second-order explicit integration algorithm,active distribution network (adn),differential-algebraic equation (dae),dynamic simulation
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