互联电力系统配线与母线功率注入关系的随机功率波动分析

Xiaobo Liu, Minyi Jiang, Qiu Wang, Fei Wang, Xuesong Jiang
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引用次数: 0

摘要

本文分析了输电线路的功率波动特性。在两区系统的基础上,推导了直流潮流模型。在时域上,配线功率波动与不同功率波动源的功率注入之间存在加权线性关系;在频域,并线功率波动的自psd可以表示为不同功率波动源的功率注入的自psd和交叉psd的加权线性和。在一定条件下,配线功率波动的自psd可以用一些简化公式表示。通过对实际网格实例的仿真,进一步验证了上述推导的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stochastic power fluctuations analysis on relationship between the tie-line of interconnected power systems and bus power injection
The power fluctuation characteristics of tieline are analyzed in this paper. Based on two area system DC load flow model derivation is carried out. In the time domain, there is a weighted linear relationship between power fluctuation of tie-line and different power fluctuation source's power injection; in the frequency domain, the self-PSD of tie-line power fluctuation can be expressed as the weighted linear sum of the self-PSD and cross-PSD of different power fluctuation source's power injection. Under certain conditions, the self-PSD of tie-line power fluctuation can be expressed via some simplified formula. The relationship deduced before is verified further in simulation of practical grid example.
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