Advances in New and Renewable Energy >
Economic Optimal Dispatch of Virtual Power Plant Considering Environmental Benefits
Received date: 2015-07-29
Revised date: 2015-09-21
Online published: 2015-10-30
Virtual power plant (VPP) can reduce the impact of renewable energy sources on the grid effectively and improve the power supply reliability. On the basis of analyzing the power generation cost of the distributed generator (DG) in the VPP, a VPP economic optimal dispatch model with the environmental benefits is established, and an operation strategy of VPP based on the seasonal characteristics of small hydropower is designed. The wind power, photovoltaic, small hydropower, micro-turbine and fuel cell are included in this model. With the goal of actual output of VPP tracking planning output and minimizing generation and environmental cost of VPP in each period, the output power of the DG in the VPP is obtained by the particle swarm algorithm. The output coefficient of micro-turbine in high, normal and low water period when VPP completes the output plan is discussed. The generation and environmental costs of VPP in high, normal and low water period are compared. And the environmental benefits of VPP in high, normal and low water period based on the environmental cost of thermal power generation is calculated. The simulation results prove the rationality of the established model and the designed strategy, and show that VPP can stabilize the output deviation of renewable energy sources and reduce the total cost of DG effectively.
YUAN Gui-li , CHEN Shao-liang , WANG Lin-bo . Economic Optimal Dispatch of Virtual Power Plant Considering Environmental Benefits[J]. Advances in New and Renewable Energy, 2015 , 3(5) : 398 -404 . DOI: 10.3969/j.issn.2095-560X.2015.05.012
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