Community energy internet energy transaction scheduling method and system considering wind power consumption

Abstract

The invention provides a community energy internet energy transaction scheduling method considering wind power consumption. The method comprises the steps: providing an energy transaction scheduling platform for each community energy internet through an information center, and enabling each community internet to propose an electric energy bidding strategy and a scheduling request of the communityto the information center with the consideration to the uncertainty of maximum wind power consumption and wind power output according to the principle of minimum cost, and scheduling the electric energy of the energy internet and the power distribution network of each community by the information center to meet the energy load demand of each community. By means of the mode, nearby consumption of wind power can be promoted, the situation that frequent power interaction between the community energy internet and the power distribution network aggravates the safe operation pressure of the power distribution network is avoided, and friendly interaction between the community energy internet cluster and the power distribution network is achieved. Meanwhile, when the wind power output fluctuates in the actual operation process, the real-time regulation and control cost can be reduced, and then the power consumption cost of the community energy internet is reduced.

Description

technical field [0001] The invention relates to the field of power grids, in particular to a community energy internet energy transaction scheduling method and system considering wind power consumption. Background technique [0002] With the increasing number of community energy Internet and the continuous increase of wind power penetration, the frequent energy interaction between community energy Internet and distribution network will have many adverse effects on the safe and stable operation of distribution network. A large number of wind power access will affect the power flow distribution of active and reactive power in the distribution network, power quality, system network loss and steady-state voltage distribution, etc. The fluctuation and intermittence of wind resources determine the fluctuation and intermittence of wind power output. When the proportion of wind power access is small, the impact on the distribution network is not significant; and the gradual increas...

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Problems solved by technology

When the proportion of wind power access is small, the impact on the distribution network is not significant; and the gradual increase in wind power penetration makes the impact of wind power access on the distribution network more and more obvious, and in extreme cases may even destabilize the system

[0003] Under the above circumstances, if the traditional energy trading mechanism of "spontaneous self-consumption and surplus to the grid" is still adopted between the community energy Internet and the distribution network, the frequent energy interaction between the two will have a negative impact on the normal operation of the distribution network. , it is difficult to adapt to the trend of rapid development of clean energy and power grid in the future

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