Targeted demand response for mitigating price volatility and enhancing grid reliability in synthetic Texas electricity markets.
Targeted demand response for mitigating price volatility and enhancing grid reliability in synthetic Texas electricity markets.
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DOI：
10.1016/j.isci.2021.103723
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发表时间：
2022-02-18
期刊：
影响因子：
5.8
通讯作者：
Xie L
中科院分区：
文献类型：
--
作者：
Lee K;Geng X;Sivaranjani S;Xia B;Ming H;Shakkottai S;Xie L
需求响应（DR）作为一种通过可再生能源深度渗透来提高电网可靠性的解决方案正在迅速受到关注。虽然研究已经证明了DR在缓解价格波动方面的好处，但考虑DR最大影响的地点选择的工作有限。我们发现，非常小的负荷减少在少数目标位置可以导致价格波动和电网拥塞水平的基础上，合成得克萨斯州电网模型显着下降。我们实现这一目标，通过利用高度非线性性质的拥塞动态和战略选择DR的位置。我们证明，我们可以类似地放置能量存储来实现同等的影响。我们的研究结果表明，在特定位置进行有针对性的DR，而不是全面的DR，可以对电网带来实质性的好处。这些发现可以为能源政策制定者和电网运营商提供信息，帮助他们制定DR计划以提高电网可靠性。需求响应在实现可靠的可再生能源丰富的电网方面具有巨大潜力可再生能源发电的大规模整合给系统运营带来挑战需求响应可以缓解可再生能源丰富的电网的价格波动有针对性的需求响应，而不是全面的DR，被证明是更有效的电气工程;能源工程;能源资源;能源灵活性;能源系统
Demand response (DR) is rapidly gaining attention as a solution to enhance the grid reliability with deep renewable energy penetration. Although studies have demonstrated the benefits of DR in mitigating price volatility, there is limited work considering the choice of locations for DR for maximal impact. We reveal that very small load reductions at a handful of targeted locations can lead to a significant decrease in price volatility and grid congestion levels based on a synthetic Texas grid model. We achieve this through exploiting the highly nonlinear nature of congestion dynamics and by strategically selecting DR locations. We demonstrate that we can similarly place energy storage to achieve an equivalent impact. Our findings suggest that targeted DR at specific locations, rather than across-the-board DR, can have substantial benefits to the grid. These findings can inform energy policy makers and grid operators how to target DR initiatives for improving grid reliability. Demand response holds great potential in enabling reliable renewable-rich electric grids Large-scale integration of renewable generations causes challenges in system operations Demand response can mitigate price volatility in renewable-rich electric grids Targeted demand response, rather than across-the-board DR, is shown to be more effective Electrical engineering; Energy engineering; Energy Resources; Energy flexibility; Energy Systems
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