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Energies 2016, 9(3), 167; doi:10.3390/en9030167

Effect of the Coordinative Optimization of Interruptible Loads in Primary Frequency Regulation on Frequency Recovery

1
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
2
State Grid Electric Power Research Institute, Nanjing 210003, China
3
School of Electrical Engineering, Southeast University, Nanjing 210096, China
*
Author to whom correspondence should be addressed.
Academic Editor: Silvio Simani
Received: 23 December 2015 / Revised: 20 February 2016 / Accepted: 29 February 2016 / Published: 5 March 2016
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Abstract

When faults and disturbances occur in power systems, backup power resources respond to maintain the system’s frequency, and the frequency recovery effect is related to the primary frequency regulation of the reserve capacity provided by and the response speeds of the system’s generating units and interruptible loads. The relationships between a system’s frequency and the frequency regulation capacity of the generating units and the interruptible loads are different. In this paper, an index for the frequency recovery effect is proposed based on the static frequency adjustment coefficient of the interruptible load and the adjustment coefficients of the generating units, and an optimization model of an interruptible load participating in primary frequency regulation is built with the objective of minimizing the cost of the primary frequency regulation reserve that uses the system’s frequency recovery effect as a constraint. The simulation results verify the validity of the model. View Full-Text
Keywords: primary frequency regulation reserve; interruptible load; frequency recovery; coordinative optimization primary frequency regulation reserve; interruptible load; frequency recovery; coordinative optimization
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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Zhou, X.; Li, W.; Li, M.; Chen, Q.; Zhang, C.; Yu, J. Effect of the Coordinative Optimization of Interruptible Loads in Primary Frequency Regulation on Frequency Recovery. Energies 2016, 9, 167.

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