Availability of load to provide frequency response in the great Britain power system

2014 Power Systems Computation Conference Pub Date : 2014-08-01 DOI:10.1109/PSCC.2014.7038294

Meng Cheng, Jianzhong Wu, Stephen J. Galsworthy, N. Jenkins, William Hung

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引用次数: 25

Abstract

Control of the grid connected load in a power system is an effective means of contributing to the grid frequency control that is conventionally provided by frequency sensitive generation. The availability of domestic refrigerator and industrial bitumen tank load to provide frequency response services was investigated. The time of a day that the load is available to provide frequency response without interfering with its inherent function was measured through field investigations by Open Energi. Based on the measured periods of availability, the number of frequency responsive loads to be aggregated for frequency response over a day was estimated. Decentralised dynamic controllers were then developed which enable loads to vary their power consumption in proportion to the variation of grid frequency. The availability of the dynamically controlled refrigerator and bitumen tank load for frequency response was modelled. Variation of the availability during a severe frequency incident was simulated. The results showed that the aggregated loads were able to provide dynamic response to grid frequency continuously and repetitively over a day.

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英国电力系统中提供频率响应的负荷的可用性

电力系统中并网负荷的控制是实现电网频率控制的有效手段，而电网频率控制通常是由频率敏感发电提供的。考察了家用冰箱和工业沥青罐负载提供频率响应服务的可行性。Open Energi通过现场调查测量了负载在不干扰其固有功能的情况下提供频率响应的时间。根据测量的可用性周期，估计一天内要聚合的频率响应负载的数量。分散的动态控制器随后被开发，使负载能够根据电网频率的变化成比例地改变其功耗。建立了动态控制制冷机和沥青罐载荷频率响应的有效性模型。模拟了严重频率事件时可用性的变化。结果表明，在一天的时间内，聚合荷载能够连续、重复地对电网频率提供动态响应。

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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2014 Power Systems Computation Conference

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