Energy storage optimal configuration method for wind-solar-storage combined operation
An optimized configuration, wind and solar storage technology, applied in circuit devices, AC network load balancing, AC network circuits, etc., can solve the problem of not fully considering the investment income of wind and solar storage, unable to meet the need to be assessed, and not considering the wind and solar storage to meet the scheduling AGC Curves and other issues to achieve the effect of enhancing reliability and credibility
Pending Publication Date: 2022-07-29
上海申能新动力储能研发有限公司
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Problems solved by technology
[0003] 1. The operation of wind, wind and storage as a whole is not considered, which is specifically reflected in: (1) the investment income of the energy storage system is only considered, and the overall investment income of wind, wind and storage is not fully considered; (2) the overall satisfaction of wind, wind and storage is not considered. If the AGC curve cannot be satisfied, it must be assessed; making the measurement results and configuration schemes unable to be close to the actual production
2. Failure to consider the attenuation during the energy storage operation period and energy storage investment, operation and maintenance costs, resulting in the inability to optimize the power supply and energy storage capacity under different cost scenarios
Method used
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[0055] The invention relates to an energy storage optimization configuration method for combined operation of wind and solar energy storage. The method establishes a new energy power source and energy storage joint planning model based on refined time sequence curve operation simulation, and takes the maximum net present value / minimum total cost of the system as Optimization objectives, considering investment decision constraints and operational constraints, can coordinate and optimize power supply and energy storage capacity under different cost scenarios.
[0056] Specifically, as figure 1 As shown, first of all, the present invention takes into account the maximization of the full operating cycle of joint operation, so that the energy storage system capacity / power combination (E, P) with the largest net present value J is the optimal energy storage capacity / power configuration . The objective function is:
[0057]
[0058] Among them, E si For the sale of electricity,...
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The invention relates to an energy storage optimization configuration method for wind and light storage combined operation, and the method comprises the steps: building a new energy power supply and energy storage combined planning model by considering the maximization of the benefit of the whole operation cycle of the combined operation; setting constraint conditions of the new energy power supply and energy storage combined planning model; taking the energy storage capacity as an optimization variable to obtain an optimization calculation result; and based on an optimization calculation result, carrying out optimization configuration on the energy storage capacity. Compared with the prior art, the method has the advantages that the measurement result is closer to the actual production, the power supply and the energy storage capacity under different cost situations are optimized, and the like.
Description
technical field [0001] The invention relates to the technical field of optimal configuration of wind and solar storage capacity, in particular to a method for optimal configuration of energy storage for combined operation of wind and solar storage. Background technique [0002] Wind energy and solar energy are both green and clean energy sources with broad application prospects. In areas rich in new energy resources, with the continuous expansion of the scale of new energy development, the phenomenon of abandoning wind and light has always existed. In order to improve the consumption of new energy on the power generation side, energy storage has become one of the important adjustment methods. There are also many methods on how to determine the scale of energy storage configuration. However, the currently commonly used methods mainly have the following shortcomings: [0003] 1. The wind and solar storage is not considered as a whole operation, which is embodied in: (1) The...
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Login to View More IPC IPC(8): H02J3/32H02J3/38H02J3/46H02J3/00G06F30/30
CPCH02J3/32H02J3/381H02J3/466H02J3/0075G06F30/30H02J2300/28H02J2203/20
Inventor 何斌秦晏旻杨杰杨涵晟周小平
Owner 上海申能新动力储能研发有限公司