An analytic method for impact of stochastic tie-line power fluctuation on power transmission capability

被引：1
|
作者：
Yu, Peng [1 ]
Liu, Ju [1 ]
Sun, Haishun [1 ]
Wen, Jinyu [1 ]
Luo, Cheng [2 ]
机构：
[1] State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
[2] Midwest Independent Transmission System Operator, Inc, Carmel 46032, United States
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2014年 / 38卷 / 02期
关键词：
UHV power transmission - Electric power transmission networks - Power transmission;
D O I：
10.7500/AEPS20130418001
中图分类号：
学科分类号：
摘要：
The stochastic power fluctuation with a large amplitude has frequently emerged on the ultra-high voltage (UHV) tie-line during normal operation of the interconnected power system in North and Central China, which may result in an adverse impact on the power transmission capability of tie-lines. Based on an analysis of such characteristics of stochastic tie-line power fluctuation as the waveform, the cycle and the amplitude, this paper proposes a quasi-steady-state method for quantitatively analyzing the impact of stochastic power fluctuation on the power transmission capability. The method simulates UHV tie-line power fluctuation by superposing the power fluctuation on the load, then the quantitative relationship between the stochastic UHV tie-line power fluctuation and the power transmission capability can be calculated. The impact of the UHV tie-line power fluctuation on the power transmission capability by considering the transient stability restriction is analyzed with this method. The results can provide theoretical reference to the operation of the UHV synchronous power grid. © 2014 State Grid Electric Power Research Institute Press.
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页码：33 / 38
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