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An Assessment of Flexibility Reserves in Stochastic Modeling at Multiple Timescales 被引量:3
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作者 Ibrahim Krad David Wenzhong Gao Hongyu Wu 《CSEE Journal of Power and Energy Systems》 SCIE 2017年第1期84-92,共9页
Due to recent technological achievements,stochastic optimization,which inherently captures the uncertainty of intermittent resources,is being used to capture the variability and uncertainty of wind and solar resources... Due to recent technological achievements,stochastic optimization,which inherently captures the uncertainty of intermittent resources,is being used to capture the variability and uncertainty of wind and solar resources.However,due to persistent computational limitations,it is not practical to consider all possible variable generation scenarios.As a result,a reduced number of most likely scenarios is usually considered.While this helps reduce the computational burden,it also leaves the system operator vulnerable to some risk.In order to address this issue,this paper aims at providing insight into using an explicit reserve requirement in a stochastic modeling framework in order to provide system operators with greater confidence in stochastic dispatch solutions.This is accomplished by simulating a modified version of the IEEE 118 bus system in a fully stochastic,multi-timescale framework with flexibility reserve requirements.Results show that utilizing a stochastic flexibility reserve requirement within the stochastic modeling framework offers the most reliability benefit. 展开更多
关键词 Operating reserves reserve scheduling security constrained economic dispatch(SCED) security constrained unit commitment(SCUC) stochastic optimization
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