A study on autonomous decentralized voltage controller in distribution network considering control priority

2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI:10.1109/ICCEP.2011.6036387

T. Tsuji, T. Oyama, T. Hashiguchi, T. Goda, K. Horiuchi, S. Tange, T. Shinji, S. Tsujita

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引用次数: 3

Abstract

It is of prime importance to introduce a large amount of distributed generators in order to solve the energy and environmental issue. In distribution network with a large amount of distributed generators, it becomes difficult to maintain the system voltage within an allowable range. Thus, we have developed a new voltage control method using reactive power control of system connection inverter. Especially, the method is based on the autonomous decentralized approach because it will be difficult to treat a large number of distributed generators by a centralized manner. And the method is composed by three control modes and they are switched by voltage change. However, such a switching control method often becomes unstable especially in the case the dead time is included in the control block. Hence, in this paper, we have developed a new method which is based on not the switching control but the continuous control. The autonomous decentralized controller for voltage profile maintenance is proposed and its dynamics are discussed in this paper.

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考虑控制优先级的配电网自主分散电压控制器研究

为了解决能源和环境问题，大量引进分布式发电机是至关重要的。在分布式发电机数量较多的配电网中，很难将系统电压维持在允许范围内。因此，我们开发了一种新的电压控制方法，利用系统连接逆变器的无功功率控制。特别是，该方法是基于自治去中心化的方法，因为以集中的方式处理大量分布式发电机是很困难的。该方法由三种控制模式组成，并通过电压变化进行切换。然而，这种切换控制方法往往变得不稳定，特别是在控制块中包含死区时间的情况下。因此，本文提出了一种基于连续控制而不是开关控制的新方法。提出了一种用于电压剖面维护的自主分散控制器，并对其动力学特性进行了讨论。

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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2011 International Conference on Clean Electrical Power (ICCEP)

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