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

Yekui Chang, Rao Liu, Yu Ba and Weidong Li
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Yekui Chang: Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116000, China
Rao Liu: Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116000, China
Yu Ba: Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116000, China
Weidong Li: Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116000, China

Energies, 2018, vol. 11, issue 1, 1-20

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.

Keywords: wind power utilization; load frequency control (LFC); balancing authority area control error (ACE) limit standard (BAAL); control logic; real power balancing; operation security (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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