阿根廷输电系统实施环境调节额定值的潜在效益

S. Pascual, A. D. Rosso, M. Anello
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引用次数: 1

摘要

在电力传输公司中,为其输电线路实施静态评级或季节性评级是一种常见的做法,用于运营、规划和市场模型。这些评级是在该线路预计运行的最坏温度、风和太阳辐射条件下计算出来的。考虑这种保守的假设通常会导致现有资产的使用效率降低。一些企业采用环境调节额定值(AARs),根据当地环境温度频繁调整额定值,已被证明是一种经济有效的解决方案,可以增加输电线路的容量,从而为系统带来多重效益。本文讨论了在阿根廷输电网中实施AAR的潜在用途和效益。通过一个案例研究来说明这一概念。研究表明,AAR可以用来提高限制风力发电厂输出的热限制传输路径的传输能力。随着输电能力的增加,风能的削减可以显著减少。本文讨论了该技术的其他潜在好处和实现方面的考虑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Potential Benefits of Implementing Ambient Adjusted Rating in the Argentinean Transmission System
It is a common practice in electric transmission companies to implement static ratings or seasonal ratings for their transmission lines, for use in operations, planning and market models. Those ratings are calculated assuming worst temperature, wind and solar radiation conditions the line is expected to operate. Consideration of such conservative assumption usually lead to less efficient use of existing assets. The use of ambient-adjusted ratings (AARs) implemented by some entities, which adjust rating frequently based on local ambient air temperatures, has proven to be cost-effective solution to increase the capacity of transmission lines, which in turn brings multiple benefits to the system. This paper discusses the potential use and benefits of implementing AAR in the Argentinean transmission network. A case study is presented to illustrate the concept. The study shows how AAR can be used to increase the transmission capability of thermal limited transmission path that constrains the output of a wind plant. With the increased transmission capacity wind energy curtailed can be significantly reduced. The paper discusses other potential benefits of the technology and implementation considerations.
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