Flywheel Energy Storage - Dynamic Modeling

2017 Ninth Annual IEEE Green Technologies Conference (GreenTech) Pub Date : 2017-03-01 DOI:10.1109/GREENTECH.2017.52

E. Muljadi, V. Gevorgian

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引用次数: 2

Abstract

A flywheel energy storage systems (FESS) is suitable for high-power, low-energy content to deliver or absorb power in surges. This type of application is very suitable for frequency regulation in an electric grid. In addition, a modern FESS is built as a high-efficiency, high-speed motor/generator drive system that employs modern power electronics, therefore, the power quality of the grid-connected output is excellent. In addition, a FESS is very valuable to delivering ancillary services to the grid, and it can contribute reactive power compensation. Thus, a FESS can maintain high reliability in power systems by providing ride-through capability to the power system area while the rest of the generating fleet, which has a slower response in the power system, performs primary and secondary frequency response to the grid. A FESS has several advantages compared to a chemical-based energy storage (CBES) system, namely: it has high energy density and durability, and it can be cycled frequently without impacting performance. The response of FESS is faster than that of a CBES. Also, unlike some CBES, FESS has the same performance regardless of the number of cycles of charging/discharging performed throughout its lifetime.

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飞轮储能-动态建模

飞轮储能系统(FESS)适用于高功率，低能量含量，以提供或吸收浪涌功率。这种类型的应用非常适合于电网的频率调节。此外，现代FESS是一种高效、高速的电机/发电机驱动系统，采用现代电力电子技术，因此，并网输出的电能质量非常好。此外，FESS在向电网提供辅助服务方面非常有价值，并且可以对无功功率进行补偿。因此，FESS可以通过为电力系统区域提供穿越能力来保持电力系统的高可靠性，而电力系统中响应较慢的发电机组的其余部分则对电网执行主频率和次频率响应。与基于化学的储能(CBES)系统相比，FESS具有几个优势，即:它具有高能量密度和耐用性，并且可以频繁循环而不会影响性能。FESS的响应速度比CBES快。此外，与某些CBES不同的是，FESS在其整个使用寿命中无论进行多少次充电/放电循环都具有相同的性能。

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 Ninth Annual IEEE Green Technologies Conference (GreenTech)

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