Generation frequency support by renewable SSG SPC unit on interconnected areas

2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2017-11-01 DOI:10.1109/ICRERA.2017.8191204

M. Abdollahi, J. I. Candela, J. Rocabert, R. Aguilar, P. Rodríguez

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引用次数: 6

Abstract

Supporting frequency inside of each generation area as well as keeping proper synchronism condition between interconnected areas are two main challenges for grid operators. In this paper, after analysis of structure of Renewable Static Synchronous Generation unit based on Synchronous Power Controller (RSSG-SPC) for holding and control of frequency, it is shown that how a renewable unit based on SPC can contribute to frequency support inside of generation areas and in this way it will support synchronism of neighbor areas. Results of mathematical analysis and state space modelling, as well as time domain investigation then real time test of two area system in presence of RSSG-SPC confirm that by reducing Rate of Change of Frequency (ROCOF), increasing level of Frequency Nadir (FN) and providing stiffer Center Of Inertia (COI) for whole of the grid, the RSSG-SPC not only supports frequency on the generation areas, furthermore it will cover synchronism of these interconnected areas.

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可再生SSG SPC单元在互联区域的发电频率支持

电网运营商面临的两大挑战是如何保证各发电区域内部的频率支持以及各互联区域之间保持适当的同步状态。本文通过对基于同步功率控制器(RSSG-SPC)的可再生静态同步发电机组的结构进行分析，分析了基于同步功率控制器的可再生静态同步发电机组对频率的保持和控制，说明了基于同步功率控制器的可再生静态同步发电机组如何在发电区域内提供频率支持，从而支持邻近区域的同步。数学分析、状态空间建模、时域调查和实时测试结果表明，通过降低频率变化率(ROCOF)、提高频率下限(FN)水平和为整个电网提供更强的惯性中心(COI)， RSSG-SPC不仅支持发电区域的频率，而且还将覆盖这些互联区域的同步。

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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2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA)

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