基于风向风速气象参数动态调整线路容量的方法
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TM863

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国网辽宁省电力有限公司科技项目(2020YF-03)


A method for dynamically adjusting line capacity based on the winddirection, wind speed and meteorological parameters
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    摘要:

    大多数输电线路的额定容量设计基于高温低风速等保守的气象条件,而且额定容量为定值,这种保守的方法往往导致线路容量利用率不足。动态调整线路容量的方法是利用当地的风向、风速等气象参数和电网负荷,自适应地计算线路的可用容量。基于流体力学计算对当地风场进行建模,并将风场建模的结果与气象站数据相结合进行线路可用容量估算;在沈阳市郊区架空线上对所提出的方法进行测试。结果表明,线路计算可用容量在76%的研究时间内高于静态额定容量,比静态额定容量增加了22%,验证了所提出方法的有效性。

    Abstract:

    Most of the rated capacity design of transmission lines is based on conservative meteorological conditions such as high temperature and low wind speed, and the rated capacity is a fixed value. This conservative method often leads to insufficient utilization of line capacity. The method of dynamically adjusting the line capacity is to adaptively calculate the available capacity of the line by using the local meteorological parameters such as wind direction and wind speed and the grid load. In this paper, the local wind field is modeled based on hydrodynamics calculation, and the wind field modeling results are combined with the meteorological station data to estimate the available capacity of the line. The proposed method is tested on overhead lines in Shenyang suburb. The results show that the calculated available capacity is higher than the static rated capacity in 76% of the research time, and it is 22% higher than the static rated capacity, which verifies the effectiveness of the proposed method.

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陈友慧,刘然,李冬雪,许傲然,谷彩连.基于风向风速气象参数动态调整线路容量的方法[J].电力科学与技术学报,2022,(2):38-46. CHEN Youhui, LIU Ran, LI Dongxue, XU Aoran, GU Cailian. A method for dynamically adjusting line capacity based on the winddirection, wind speed and meteorological parameters[J]. Journal of Electric Power Science and Technology,2022,(2):38-46.

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  • 在线发布日期: 2022-05-26
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