Providing reactive power requirements of sub-transmission grids by decentralized wind farms

2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2016-10-01 DOI:10.1109/RTUCON.2016.7763092

R. Cabadag, Jörg Dickert, U. Schmidt, P. Schegner

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Abstract

There has been remarkable increase in the amount of decentralized wind farms (WFs) in sub-transmission grids. The high penetration of WFs causes complicated impacts on power flows and voltages. Therefore, WFs have to operate bus voltages of the sub-transmission grid continuously within a permissible range. Furthermore, WFs should transfer required amount of reactive power into transmission grid and/or absorb the necessary amount of reactive power in the sub-transmission considering the demand of transmission system operators (TSOs). In other words, reactive power requirements at connection points (CPs) where sub-transmission grids are connected to the transmission grids should be satisfied. Therefore, this paper presents a comparative analysis for reactive power management by WFs in subtransmission grids using both a novel linear programming (LP) approach based on voltage sensitivity and particle swarm optimization (PSO).

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通过分散的风电场提供分输电网的无功功率需求

在亚输电网中分散式风力发电场(WFs)的数量显著增加。WFs的高穿透性对电流和电压产生了复杂的影响。因此，WFs必须在允许的范围内连续操作分输电网的母线电压。此外，考虑到输电系统运营商(tso)的需求，WFs应向输电网输送所需的无功功率和/或在子输电中吸收必要的无功功率。换句话说，应满足子输电网与输电网连接的连接点(CPs)的无功功率要求。因此，本文采用基于电压敏感性的线性规划(LP)和粒子群优化(PSO)方法对WFs在亚输电网中的无功功率管理进行了比较分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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