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Impact From Dynamic Line Rating on Wind Power Integration

机译：动态线路额定值对风电集成的影响

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摘要

The concept of dynamic rating (DR) implies that the capacity of a component varies dynamically as a function of external parameters, while the rating traditionally is based on the worst-case. The value of DR thus lies in utilizing existing equipment to a greater extent. By implementing DR and correlating the new ratings with wind power generation, more generation can be implemented. The aim is hence to facilitate connection of renewable electricity production. This paper provides two main contributions: 1) a general dynamic line rating (DLR) calculation model on overhead lines; and 2) an economic optimization simulation model regarding wind power integration comparing DLR with more traditional approaches. These models can both be implemented together, but also separately. The DLR calculation model is easy to use by companies in daily operation where the dynamic line capacity is calculated as a function of static line capacity, wind speed, and ambient temperature. The DLR calculation model is furthermore compared with more comprehensive calculations that validate that the model is accurate enough. This paper also provides an application study where both proposed models are exemplified together and evaluated. Results from this study conclude that it is a significant economic potential of implementing DR within wind power integration.
机译：动态额定值（DR）的概念意味着组件的容量根据外部参数而动态变化，而传统上额定值是基于最坏情况。因此，DR的价值在于更大程度地利用现有设备。通过实施灾难恢复并将新的额定值与风力发电相关联，可以实现更多的发电量。因此，目的是促进可再生电力生产的连接。本文提供了两个主要贡献：1）架空线路的通用动态线路额定值（DLR）计算模型； 2）将DLR与更传统的方法进行比较的关于风电集成的经济优化仿真模型。这些模型既可以一起实现，也可以分开实现。 DLR计算模型易于公司在日常运营中使用，该公司可以根据静态线路容量，风速和环境温度来计算动态线路容量。此外，将DLR计算模型与更全面的计算进行比较，可以验证该模型是否足够准确。本文还提供了一个应用研究，其中将两个提出的模型一起进行示例和评估。这项研究的结果表明，在风电集成中实施灾难恢复具有巨大的经济潜力。

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