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Microgrid has lots of advantages and effective methods in usage and control of DGs, and has developed rapidly at each country. Electric Vehicles regarded as new traffic method has been paid more common attention. Batteries of electric vehicles can be regarded as mobile power storage devices, which will affect the stability of the power grid when paralleled in the grid. A common structure of the microgrid...
The rising energy independence and environmental concerns are key drivers in the growing popularity of plug-in hybrid cars (PHEVs). Studies indicate that for 90% of the Americans who use their cars to get to work every day, the daily commute distance is less than 50 km - or 30 miles - and, on the average, the commuter car remains parked is about 22 hours per day. All the PHEVs have in common the batteries,...
Distributed energy resource management involves matching the production of and demand for power in electrical grids. This leads to the question, where should responsibility for resource use be placed? A number of potential management schemes exist in current work on complex large-scale distributed computer systems. This paper works towards a comparison of their relative performance. A test scenario...
Grid connected photovoltaic (PV) systems are becoming increasingly attractive as a generation alternative due to new developments in technologies, environmental concerns and transmission congestion management. Usually the energy storage system is used to store the excess power generated during off-peak hours and to return it to the system when power from PV is not enough for the system or generation...
Microgrids are low voltage intelligent distribution networks comprising various distributed generators, storage devices and controllable loads which can be operated as interconnected or as islanded system. The optimal generation scheduling is one of the important functions for the Microgrid operation. This paper describes a three-step efficient method for the optimal generation scheduling of a Microgrid...
With renewable energy generating rapid growth, multi-power structure optimization problem with the grid-connected PV power has been a cause of concern. This paper presents Markov decision-making process (MDP) conditions, optimal dynamic programming strategy, N-stage total expectation reward criteria and total expectation cost of MDP model in multi-power structure optimization with grid-connected PV...
Stability of wind/solar hybrid power system plays an important role in the quality of power grid. In this paper, a grid-connected wind/solar hybrid power system is proposed. It contains four subsystems: wind turbine generation, solar photovoltaic (PV), storage batteries and loads. Each of them is connected to the AC bus or DC bus. The energy management and control system is implemented by a programmable...
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