Multilevel STATCOM with power intensive energy storage for dynamic grid stability - frequency and voltage support

2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI:10.1109/EPEC.2015.7379930

E. Spahić, Charlie Paul Susai Sakkanna Reddy, M. Pieschel, R. Álvarez

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引用次数: 27

Abstract

The developing political and environmental reforms are driving the rapid evolution of today's power systems. There is a steady increase in the electrical energy being fed from renewable energy sources like wind and photovoltaic systems while shutting down large thermal power plants. This trend has a major impact on the performance of the electrical power system networks especially with respect to their dynamic behaviour. Phasing out of existing conventional synchronous generators will adversely affect auxiliary services like voltage control and frequency regulation. The paper discusses one of the solutions to cope with these challenges: the use of Modular Multilevel Converter based STATCOM i.e. SVC PLUS® with power intensive energy storage (SVC PLUS ES) which can significantly contribute to the stable operation of the power system. The successful frequency and voltage support in transmission grids will be presented. Furthermore the design of SVC PLUS ES with supercapacitors as storage technology will be shown.

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多级STATCOM具有功率密集型能量存储，用于动态电网稳定，频率和电压支持

不断发展的政治和环境改革正在推动当今电力系统的快速发展。在关闭大型火力发电厂的同时，风能和光伏系统等可再生能源提供的电能稳步增加。这一趋势对电力系统网络的性能产生了重大影响，特别是在其动态行为方面。逐步淘汰现有的传统同步发电机将对电压控制和频率调节等辅助服务产生不利影响。本文讨论了应对这些挑战的解决方案之一:使用基于STATCOM的模块化多电平转换器，即带有功率密集型储能(SVC PLUS ES)的SVC PLUS®，可以显著促进电力系统的稳定运行。介绍了输电网中成功的频率和电压支持。此外，还介绍了采用超级电容器作为存储技术的SVC PLUS ES的设计。

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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2015 IEEE Electrical Power and Energy Conference (EPEC)

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