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Multiport Interface Converter with an Energy Storage for Nanogrids

机译:多端口接口转换器,具有纳米格栅的能量存储器

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Nanogrid is a small-scale microgrid that consists of loads, sources and storages interfaced with power electronic converters. Conventionally, the droop control provides power sharing. To establish autonomous operation with stable voltage and reliable power quality, an energy management system (EMS) in the form of a bidirectional multiport converter with energy storage at the PCC is used. Unlike typical approach, this paper proposes an EMS concept for nanogrids based on a single grid-forming voltage source. This allows using a simple voltage control algorithm instead of the droop control; in addition, it is compatible with all conventional power electronic interfaces. The EMS concept, its operation modes and control strategies are described. Some case studies are presented and analyzed by computer simulations.
机译:Nanoogrid是一种小型微电网,包括与电力电子转换器接口的负载,来源和存储器组成。传统上,下垂控制提供电力共享。为了建立具有稳定电压和可靠的电源质量的自主操作,使用PCC在PCC上具有能量存储的双向多端口转换器形式的能量管理系统(EMS)。与典型方法不同,本文提出了基于单个网格形成电压源的纳米格栅的EMS概念。这允许使用简单的电压控制算法而不是Droop控制;此外,它与所有传统的电力电子接口兼容。描述了EMS概念,其操作模式和控制策略。通过计算机模拟呈现和分析了一些案例研究。

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