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Due to the diversity of components, the multi-microgrid systems provide more optimization degrees of freedom for coordinated control of active distribution network among multiple sub-microgrids and various distributed generations within sub-microgrids. In this paper, a hierarchical energy optimization method for distributed system with multi-microgrids is proposed with multi-agents based on centralized-decentralized...
Economic performances of a microgrid with multi-energy are effected by many factors such as the configuration of microgrid systems for the specific installation sites and cluster of loads, operation modes and dispatching schedules of the microgrid, the electricity market, energy policy and alike. And the configuration of the microgrid is the premise of all factors. This paper presents an optimization...
Capacitor planning in a distribution system (DS) must account for forecasted load and planned wind generators (WGs). In some DSs with large penetration, WGs support a significant part of the total load on an average and the power flow reverses to the substation during high-wind-low-load conditions. With annual forecasts of peak loads and generations being probabilistic in nature with differing probability...
According to operation characteristics of a microgrid with fluctuant energy, such as solar energy, wind energy and alike, a multi-objective economic dispatching model for microgrid is proposed. These objectives are to minimize the production cost, customer outage cost and emission pollution cost. Taking into account characteristics of the proposed model, the maximum fuzzy satisfaction degree method...
Wind energy is promising with no fuel cost and zero greenhouse gas emissions; however, its intermittent and volatile nature has added much to operation burdens and thus a low penetration level in short-term or spot market. On the one hand, the power system operator is facing increased spinning reserve and generation uncertainty; on the other hand, the wind independent power producer (IPP) is subject...
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