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Multi-park microgrid cooperative game method considering wind power robustness uncertainty

A technology of uncertainty and parks, which is applied in the field of multi-park micro-grid cooperative game considering the robust uncertainty of wind power, and can solve problems such as large distribution network

Active Publication Date: 2019-08-09
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The diameter of the distribution line is smaller than that of the transmission line, resulting in a larger R / X of the distribution network

Method used

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  • Multi-park microgrid cooperative game method considering wind power robustness uncertainty
  • Multi-park microgrid cooperative game method considering wind power robustness uncertainty
  • Multi-park microgrid cooperative game method considering wind power robustness uncertainty

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Embodiment 1

[0065] A multi-park micro-grid cooperative game method considering the robust uncertainty of wind power, with the economics of the park micro-grids in the region as the optimization goal, and the internal power balance of the park micro-grids, the balance of power purchases and sales between park micro-grids, the purchase and sale Controllable resource adjustment restrictions such as electricity settlement restrictions, gas turbines and flexible loads are used as constraints, including the modeling of the park microgrid's electricity purchase and sales costs, revenue, and the inner layer electricity sales price of the park microgrid, thus realizing the self-control of the park microgrid itself. Quantification of economics;

[0066] In addition, fully considering the uncertainty of clean energy such as wind power, a two-stage robust optimization model within the micro-grid of the park is proposed, and according to the economy of the micro-grid of the park, variables such as the ...

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Abstract

The invention discloses a multi-park microgrid cooperative game method considering wind power robustness uncertainty. The economy of a micro-grid in a park in the region is taken as an optimization target, the internal power balance of the park microgrid, the electric quantity balance between park microgrids, the electric quantity purchase and sale settlement limitation, gas turbines, flexible loads and other adjustable resource adjustment limitation are taken as constraint conditions; the method comprises the following steps: modeling park microgrid electricity purchasing and selling costs, benefits and park microgrid inner-layer electricity selling prices, and achieving the quantification of the economical performance of the park microgrid. According to the method, the model is divided into a main problem and a sub-problem through a decomposition algorithm to carry out repeated iterative solution, so that the solution speed can be accelerated, and an existing solution kit CPLEX is adopted to carry out effective solution.

Description

technical field [0001] The invention relates to the field of distribution network terminal power market, in particular to a multi-park micro-grid cooperative game method considering the robust uncertainty of wind power. Background technique [0002] The distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators and some auxiliary facilities, etc., and plays an important role in distributing electric energy in the power network. The distribution network is classified according to the voltage level, which can be divided into high-voltage distribution network (35-110KV), medium-voltage distribution network (6-10KV, 20KV in Suzhou), and low-voltage distribution network (220 / 380V); In larger super-large cities, the 220KV power grid also has power distribution functions. Classified according to the function of the power supply area, it can be divided into urban distribution network, rural distribu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/38
CPCH02J3/386H02J3/00H02J2310/64H02J2203/20Y02E10/76
Inventor 高红均李驰宇刘友波刘俊勇
Owner SICHUAN UNIV
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