Determination of the Time-Dependent Flexibility of Active Distribution Networks to Control Their TSO-DSO Interconnection Power Flow
Determination of the Time-Dependent Flexibility of Active Distribution Networks to Control Their TSO-DSO Interconnection Power Flow
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DOI：
10.23919/pscc.2018.8442865
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发表时间：
2018-06
期刊：
影响因子：
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通讯作者：
D. Mayorga Gonzalez;J. Hachenberger;J. Hinker;F. Rewald;U. Häger;C. Rehtanz;J. Myrzik
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文献类型：
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作者：
D. Mayorga Gonzalez;J. Hachenberger;J. Hinker;F. Rewald;U. Häger;C. Rehtanz;J. Myrzik
本文介绍了一种评估主动配电网 (ADN) 灵活性的方法，通过调节输配电接口上的潮流来提供跨电压等级的辅助服务。因此，引入建模框架来描述和讨论时变和时不变影响因素对ADN灵活性的影响。在此框架的基础上，提出了两种方法：第一种方法可用于在完美信息的前提下（即所有建模的影响因素已知时）确定 ADN 的灵活性。第二个目的是使用概率方法处理不确定性的时变影响因素的预测，提前评估 ADN 在未来时间间隔内将具有的灵活性。案例研究证明了所提出方法的适用性。讨论了有关 ADN 灵活性的特性和可确定性的主要发现。
This paper describes an approach to estimate the flexibility of an Active Distribution Network (ADN) to provide ancillary services across voltage levels by the regulation of the power flow over the transmission-distribution interface. Therefore, a modelling framework is introduced to describe and discuss the impact of time-variant and time-invariant influencing factors on the flexibility of an ADN. Building on this framework, two methodologies are suggested: The first can be used to determine the flexibility of an ADN under the premise of perfect information, i.e. when all modelled influencing factors are known. The second is meant to assess in advance the flexibility that an ADN will have in future time intervals using forecasts of time-variant influencing factors handling uncertainty by a probabilistic approach. The applicability of the proposed methods is demonstrated in a case-study. Central findings regarding properties and determinability of the flexibility of ADNs are discussed.