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Energies 2018, 11(1), 121; doi:10.3390/en11010121

A New Control Logic for a Wind-Area on the Balancing Authority Area Control Error Limit Standard for Load Frequency Control

Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116000, China
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Received: 16 November 2017 / Revised: 5 December 2017 / Accepted: 31 December 2017 / Published: 3 January 2018
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

Nowadays, the Balancing Authority Area Control Error (ACE) Limit (BAAL) Standard has been adopted to replace the Control Performance Standard 2 (CPS2) in the North American power grid. According to the new standard’s mechanism, a new control logic, named “Triggered Monitoring and Graded Regulation” (TM-GR) is proposed. Its purpose is to improve wind power utilization, with good BAAL Standard compliance for load frequency control (LFC). With the TM logic, according to the real-time regulating ability of areas and forecasting results of wind power output, the triggering moments to give orders are found and a defined monitoring interval is set to track the succeeding fluctuation of Area Control Error (ACE). With the GR logic, based on whether or not over-limit frequency and over-limit ACE occur simultaneously, unit output is regulated in different grades. In cooperation with the existing control logic of Control Performance Standard 1 (CPS1), the proposed logic has a higher priority. From the test results, with the proposed control logic, the utilization of wind power output increases and, meanwhile, the area’s control performance meets the Standard BAL-001-2 requirements. The standard deviation of the frequency deviation is less than the target value, and the duration of over-limit ACE and over-limit frequency can both be restricted to be less than 30 min. View Full-Text
Keywords: wind power utilization; load frequency control (LFC); balancing authority area control error (ACE) limit standard (BAAL); control logic; real power balancing; operation security wind power utilization; load frequency control (LFC); balancing authority area control error (ACE) limit standard (BAAL); control logic; real power balancing; operation security
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chang, Y.; Liu, R.; Ba, Y.; Li, W. A New Control Logic for a Wind-Area on the Balancing Authority Area Control Error Limit Standard for Load Frequency Control. Energies 2018, 11, 121.

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