Optimal Scheduling of New Energy Integration Considering Different Demand Response Groups

ZHANG Qingqing; WU Qian; LI Shengwei; BAI Xingzhen

doi:10.3969/j.issn.1000-7229.2018.07.013

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Electric Power Construction ›› 2018, Vol. 39 ›› Issue (7) : 107-114. DOI: 10.3969/j.issn.1000-7229.2018.07.013

Optimal Scheduling of New Energy Integration Considering Different Demand Response Groups

ZHANG Qingqing，WU Qian，LI Shengwei，BAI Xingzhen

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Abstract

In order to improve the anti-peak-shaving characteristic of new energy, a demand response（DR） model for different users is proposed. At the same time, two controlled units of energy storage system （ESS） and microgrid are modeled, and they are coordinated with new energy output to promote the integration of large-scale new energy. Considering the user's participation degree of DR project, the user satisfaction function is designed as a constraint. In addition, peak-to-valley ratio and new energy consumption rate are taken as the evaluation indexes. A optimization scheduling model considering the minimum cost of power system, the least pollutant emissions and the most stable output of units is established. The YALMIP toolbox and CPLEX program are used to solve the model. Simulation results show that the proposed model can effectively improve the consumption level of new energy and reduce the pollutant emissions and peak-to-valley ratio, thus the security and stability of the system may be improved.

Key words

demand response（DR） / direct load control / transferable load / energy storage system（ESS） / microgrid / new energy consumption

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ZHANG Qingqing，WU Qian，LI Shengwei，BAI Xingzhen. Optimal Scheduling of New Energy Integration Considering Different Demand Response Groups[J]. Electric Power Construction. 2018, 39(7): 107-114 https://doi.org/10.3969/j.issn.1000-7229.2018.07.013

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