Robust Unit Commitment for Large-scale Wind Generation and Run-off-river Hydropower
作者机构：State Key Laboratory of Power SystemsDepartment of Electrical EngineeringTsinghua UniversityBeijing 100084China State Grid Corporation of ChinaBeijing 100031China
出 版 物：《CSEE Journal of Power and Energy Systems》 (中国电机工程学会电力与能源系统学报（英文）)
年 卷 期：2016年第2卷第4期
页 面：66-75页
核心收录：
基 金：supported in part by the Foundation for Innovative Research Groups of the National Natural Science Foundation of China(51321005) State Grid Corporation of China Science and Technology Project(SGSXDKY-DWKJ 2015-001)
主 题：Multi-timescale robust optimization windhydro-thermal unit commitment
摘 要：Increased penetration of large-scale renewable sources such as wind and solar power creates additional constraints for power system maintenance,reliability and *** intermittent and fluctuation characteristics of renewable energy require robust operation ***-optimized scheduling of multiple energy resources is regarded as an efficient way to accommodate renewable *** the second largest source of electricity in the world,hydro power is clean and has the merits of ease of regulation,low cost and high *** this regard,it can play an important role in mitigating the uncertainty of wind *** paper proposes a robust wind-hydro-thermal unit commitment(UC)model that provides reliable day-ahead unit commitment *** hydro units are operated in longer time scales than the thermal units,so as to capture reservoir *** hydro production capability curve is linearized by using variable separation and the piecewise linear(PWL)function,leading to a mixed integer linear programming(MILP)problem that can be solved using mature software such as *** tests on an IEEE 39-bus system demonstrate the effectiveness of the proposed model to increase system flexibility in accommodation of uncertain wind power.
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