Intraday Rolling Dispatching of Power System Based on Dependent Chance Goal Programming

被引:0
|
作者
Li Z. [1 ]
Zhao S. [1 ]
Liu J. [2 ]
机构
[1] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding
[2] Dispatching and Control Center of State Grid Qinghai Electric Power Company, Xining
关键词
Dependent chance programming; Deterministic transformation of chance-constrained condition; Power balance equation; Rolling dispatching of power system;
D O I
10.7500/AEPS20180714001
中图分类号
学科分类号
摘要
In the context of the large-scale renewable energy integrated into power system, the power balance equation with uncertain variables of prediction error is established considering the influence of renewable energy output uncertainty on the power balance equation in the intraday rolling dispatching model of the power system. In order to solve the power balance equation with uncertain variables, the equation constraint of power balance equation is transformed into the objective function to maximize the probability of occurrence of random events, and the dependent chance programming is established. Considering the uncertainty of renewable energy output, the robustness and economy of the scheme, the chance-constrained model of the system spinning reserve capacity is established. In order to improve the efficiency of solving the stochastic optimization dispatching model, a deterministic transformation method of chance-constrained conditions based on sampling is proposed, in which the chance-constrained conditions with multiple random variables are equivalently deterministically transformed, and then the goal programming is introduced to transform the multi-objective optimization model into a single-objective optimization model. Finally, an example is discussed to demonstrate the effectiveness of the proposed model. © 2019 Automation of Electric Power Systems Press.
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页码:77 / 85
页数:8
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