微电网虚拟同步机从并网到岛网运行不间断过渡的验证

Q4 Energy
Steven Reineke, D. Turschner, I. Hauer, H. Beck
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引用次数: 1

摘要

传统的供电系统主要是基于机电同步发电机的稳定特性。电力供应系统向分散式电网结构的结构变化意味着现在必须在配电网层面提供辅助服务。虚拟同步机(VISMA)是由克劳斯塔尔理工大学电力工程研究所开发的,其目的是使电网中的分散发电机组像真正的同步机一样运行,从而积极提供相关的辅助服务。VISMA基于三相逆变器,通过在直流链路中添加储能装置并使用特殊的控制算法,可以满足电网要求。本文研究的重点是VISMA从并网运行到岛网运行的不间断过渡,以及随后岛网的稳定持续运行。控制器转换,因为大多数馈入逆变器为了改变工作模式而需要,在这里是不必要的。结果表明,瞬态在5ms后逐渐消退,这意味着VISMA已经完全接管了
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Verification of the uninterrupted transition from grid parallel to island grid operation of the Virtual Synchronous Machine in a microgrid
The classic energy supply system is mainly based on the stabilising properties of electromechanical synchronous generators. The structural change of the electrical energy supply system towards a decentralised grid structure means that ancillary services must now also be provided at the distribution grid level. The Virtual Synchronous Machine (VISMA) was developed at the Institute of Electrical Power Engineering at the Clausthal University of Technology with the aim of making a decentralised generation unit in the grid behave like a real synchronous machine and thus actively provide relevant ancillary services. The VISMA is based on a three-phase inverter that can comply with grid requirements by adding an energy storage device in the DC link and using a special control algorithm. The focus of the investigations shown here is on the uninterrupted transition from grid-parallel operation of the VISMA to island grid operation and the subsequent stable continued operation of this island grid. A controller changeover, as most feed-in inverters would require in order to change the operating mode, is not necessary here. It is shown that the transients have subsided after 5 ms, which means that the VISMA has completely taken over the
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来源期刊
Renewable Energy and Power Quality Journal
Renewable Energy and Power Quality Journal Energy-Energy Engineering and Power Technology
CiteScore
0.70
自引率
0.00%
发文量
147
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