Wind Power Providing Flexible Ramp Product
Runze Chen, Jianhui Wang, Audun Botterud, Hongbin Sun

TL;DR
This paper explores how wind power producers can be integrated as flexible ramp providers in power systems to enhance short-term operational flexibility, using a stochastic real-time unit commitment model.
Contribution
It introduces a two-stage stochastic model for including wind power in ramp provision, demonstrating potential benefits for system reliability and wind producers.
Findings
Wind power can effectively provide flexible ramp capacity.
Including wind in ramp markets benefits both system and wind producers.
The proposed model improves ramp capacity adequacy in high-renewable scenarios.
Abstract
The deepening penetration of renewables in power systems has contributed to the increasing needs for generation scheduling flexibility. Specifically, for short-term operations, flexibility here indicates that sufficient ramp capacities should be reserved to respond to the expected changes in the load and intermittent generation, also covering a certain amount of their uncertainty. To address the growing requirements for flexible ramp capacity, markets for ramp products have been launched in practice such as the ones in California ISO and Midcontinent ISO. Some-times, to guarantee sufficient ramp capacity, expensive fast start units have to be committed in real-time. Moreover, with higher penetration of renewable generation, the flexibility provided by the conventional units might not be enough. Actually, wind power producers are physically capable of offering flexibility, which is…
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Taxonomy
TopicsElectric Power System Optimization · Smart Grid Energy Management · Power System Reliability and Maintenance
