Control of BESS Using Frequency-Linked Pricing with High Wind Penetration

Abstract:

Recently, many countries have been pushing for a higher share of renewable energy sources, especially wind, in their generation mix. However, the intermittent and uncertain nature of wind power imposes a limit on the extent it can replace the conventional generation resources. In a high wind penetration scenario, the Battery Energy Storage System (BESS) offers a solution to the grid operation problems. The purpose of this paper is to evaluate the merits of price-based operation of BESS in a real-time market with high wind penetration using frequency-linked pricing. The authors propose a real-time market in which real-time prices are based on the grid frequency. A model for real-time price-based operation of a conventional generator and a BESS is presented. Simulations for different wind penetration scenarios are carried out on an isolated area test system. Wind speed sequence is generated using composite wind speed model. A simplified model of wind speed to power conversion is adopted to observe the impact of increase in wind power generation on the grid frequency and the real-time prices.

• Periodical: Applied Mechanics and Materials (Volumes 511-512)
• Pages: 1099-1102
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.511-512.1099
• Online since: February 2014
• Authors: Zhen Bao Sun
• Keywords: Battery Energy Storage System (BESS), Composite Wind Speed Model, Control, Electric Power, Price-Based Control, State of Charge (SOC)

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