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Congestion Avoidance in Low-Voltage Networks by using the Advanced Metering Infrastructure

机译:使用高级计量基础结构避免低压网络中的拥塞

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摘要

Large-scale decentralized photovoltaic (PV) generators are currently being installed in many low-voltage distribution networks. Without grid reinforcements or production curtailment, they might create current and/or voltage issues. In this paper, we consider the use the advanced metering infrastructure (AMI) as the basis for PV generation control. We show that the advanced metering infrastructure may be used to infer some knowledge about the underlying network, and we show how this knowledge can be used by a simple feed-forward controller to curtail the solar production efficiently. By means of numerical simulations, we compare our proposed controller with two other controller structures: open-loop, and feed-back P(U) and Q(U). We demonstrate that our feed-forward controller - that requires no prior knowledge of the underlying electrical network - brings significant performance improvements as it can effectively suppress over-voltage and over-current while requiring low energy curtailment. This method can be implemented at low cost and require no specific information about the network on which it is deployed.
机译:大型分散式光伏(PV)发电机目前正在许多低压配电网络中安装。如果不加强电网或减少生产,它们可能会产生电流和/或电压问题。在本文中,我们考虑使用先进的计量基础设施(AMI)作为光伏发电控制的基础。我们展示了先进的计量基础设施可用于推断一些有关基础网络的知识,并且展示了如何通过简单的前馈控制器将这些知识用于有效减少太阳能生产。通过数值模拟,我们将我们提出的控制器与其他两种控制器结构进行了比较:开环和反馈P(U)和Q(U)。我们证明了我们的前馈控制器-无需事先了解基础电网-带来了显着的性能改进,因为它可以有效抑制过电压和过电流,同时又需要低能耗。该方法可以低成本实现,并且不需要有关其所部署的网络的特定信息。

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