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Voltage Control Support and Coordination between Renewable Generation Plants in MV Distribution Systems

机译:中压配电系统中可再生发电厂的电压控制支持与协调

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摘要

This paper focusses on voltage control support and coordination between renewable generation plants in medium voltage distribution systems. An exemplary benchmark grid in Denmark, including a number of flexible ReGen plants providing voltage control functionality, is used as a base case. First, voltage sensitivity analysis is performed to quantify node voltage variations due to injections of reactive power for given operational points of the network. The results are then used to develop an adaptive voltage droop control method, where various droop settings are allocated to each ReGen plant according to the sensitivity indices of corresponding node voltages and the location of respective ReGen plants in the distribution system. Case studies are performed in time-domain to analyze the impact of voltage fluctuations due to active power variations of ReGen plants in order to verify the performance of the obtained voltage droop settings. The main outcome of this study is the provision of a generic guidance on how to coordinate the voltage stability support capabilities of ReGen plants in a distribution system with large ReGen penetration in order to ensure a resilient voltage controlled distribution system.
机译:本文着重于中压配电系统中电压控制支持和可再生能源发电厂之间的协调。丹麦的示例性基准网格(包括许多提供电压控制功能的灵活ReGen工厂)被用作基本案例。首先,执行电压灵敏度分析以量化由于网络的给定操作点而注入无功功率导致的节点电压变化。然后将结果用于开发自适应电压下降控制方法,其中,根据相应节点电压的灵敏度指标和配电系统中各个ReGen工厂的位置,将各种下降设置分配给每个ReGen工厂。在时域内进行案例研究,以分析由于ReGen工厂的有功功率变化而引起的电压波动的影响,以验证所获得的电压下降设置的性能。这项研究的主要成果是就如何协调具有较大ReGen穿透力的配电系统中的ReGen工厂的电压稳定性支持能力提供了通用指导,以确保弹性的电压控制配电系统。

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