Distributed volt/var control in unbalanced distribution systems with distributed generation

2014 IEEE Symposium on Computational Intelligence Applications in Smart Grid (CIASG) Pub Date : 2014-12-01 DOI:10.1109/CIASG.2014.7011559

A. Malekpour, A. Pahwa, B. Natarajan

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引用次数: 11

Abstract

Future power distribution systems are expected to have large number of scale smart measuring devices and distributed generation (DG) units which would require real-time network management. Integration of single-phase DG and advanced metering infrastructure (AMI) technologies will add further complexity to the power distribution system which is inherently unbalanced. In order to alleviate the negative impacts associated with the integration of DG, transformation from passive to active control methods is imperative. If properly regulated, DGs could provide voltage and reactive power support and mitigate the volt/VAr problem. This paper presents a distributed algorithm to provide voltage and reactive power support and minimize power losses in unbalanced power distribution systems. Three-phase volt/VAr control problem is formulated and active/reactive powers of DGs are determined in a distributed fashion by decomposing the overall power distribution system into zonal sub-systems. The performance is validated by applying the proposed method to the modified IEEE 37 node test feeder.

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分布式发电不平衡配电系统的分布式电压/无功控制

未来的配电系统预计将有大量的大规模智能测量设备和分布式发电(DG)单元，这将需要实时网络管理。单相DG和先进计量基础设施(AMI)技术的集成将进一步增加配电系统的复杂性，该系统本来就不平衡。为了减轻DG一体化带来的负面影响，从被动控制方式向主动控制方式的转变势在必行。如果适当调节，dg可以提供电压和无功支持，并缓解伏特/VAr问题。本文提出了一种分布式算法，在不平衡配电系统中提供电压和无功支持，最大限度地减少功率损耗。提出了三相电压/无功控制问题，并将整个配电系统分解为分区子系统，以分布式方式确定dg的有功/无功功率。将该方法应用于改进的ieee37节点测试馈线，验证了该方法的性能。

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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2014 IEEE Symposium on Computational Intelligence Applications in Smart Grid (CIASG)

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