Online Set Point Adjustment for Trajectory Shaping in Microgrid Applications
Online Set Point Adjustment for Trajectory Shaping in Microgrid Applications
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DOI：
10.1109/tpwrs.2011.2160100
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发表时间：
2012-02
影响因子：
6.6
通讯作者：
A. Mehrizi‐Sani;R. Iravani
中科院分区：
文献类型：
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作者：
A. Mehrizi‐Sani;R. Iravani
本文提出并评估了一种减轻设备瞬态的策略，例如，电子接口的分布式能源（DER）单元。该策略基于响应监测，并且可以基于设定点自动调整（SPAA）或启用校正的设定点自动调整（SPAACE）来实施。SPAA利用系统的近似模型来计算中间设定点。SPAACE监控感兴趣变量的轨迹，并根据该变量的变化趋势做出决策，并通过在备选设定点之间切换命令输入来解释不准确性和未建模动态。通过案例研究来证明所提出的策略在平衡和不平衡微电网研究系统中限制设定点阶跃变化、负载切换和黑启动后的电压或电流波动方面的应用和有效性。
This paper proposes and evaluates a strategy to mitigate the transients of an apparatus, e.g., an electronically-interfaced distributed energy resource (DER) unit. This strategy is based on response monitoring and can be implemented based on either set point automatic adjustment (SPAA) or set point automatic adjustment with correction-enabled (SPAACE). SPAA takes advantage of an approximate model of the system to calculate the intermediate set points. SPAACE monitors the trajectory of the variable of interest and bases its decisions on the trend of variations of that variable and accounts for the inaccuracies and unmodeled dynamics by switching the command input between alternative set points. Case studies are presented to demonstrate the application and effectiveness of the proposed strategy in limiting voltage or current excursions in balanced and unbalanced microgrid study systems, subsequent to a step change in set point, load switching, and black start.