Micro-grid energy configuration method combining energy storage capacity configuration and optimization operation
A technology for optimizing operation and capacity allocation, applied in circuit devices, AC network circuits, AC network load balancing, etc., can solve the problem of ignoring the coupling relationship between energy storage capacity and microgrid operation.
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[0100] The present invention will be further explained below with reference to the drawings and examples.
[0101] Such as figure 1 , figure 2 As shown, the micro-grid system used in the present invention includes a photovoltaic power generation device, a wind power generating set and an energy storage device. The investment decision-making period for energy storage is 8 years, the unit cost price of energy storage equipment is 1600 RMB / kWh, and other technical parameters of energy storage are as follows: Charging efficiency η c =0.96, discharge efficiency η d =1, the maximum state of charge and the minimum state of charge are soc respectively min =0.1,soc max = 0.9. Power generation cost coefficient β of the grid 1 =0.00245,β 2 =0.05. In addition, the microgrid community includes 95 households of ordinary residential users and 95 commercial users. Among them, it is assumed that 2 / 3 of the load is elastic load, and the rest is inelastic load. In order to simplify the optimiz...
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