access icon openaccess Capacity guaranteed control method for air conditioning cluster joining power grid frequency regulation

This is an open access article published by the IET under the Creative Commons Attribution-NoDerivs License (http://creativecommons.org/licenses/by-nd/3.0/)
Received 14/08/2018, Accepted 03/09/2018, Revised 30/08/2018, Published 21/09/2018

For the thermal inertia of houses and buildings, air conditioning (AC) cluster shows the potential in load frequency control. In this study, the authors propose a complete control framework for friendly accepting ACs to participate in secondary frequency regulation service without causing discomfort. An aggregator is hired to continually estimate the regulation capacity of ACs cluster by a heuristic simulated search algorithm, which could be guaranteed in a given duration. The external characteristics of the AC aggregations are set like a virtual power plant, which takes a droop curve for primary frequency control and a translation character for secondary frequency control. Simulation shows the capability for AC aggregations in load frequency control.

Inspec keywords: search problems; air conditioning; frequency control; power grids; load regulation

Other keywords: buildings; power grid frequency regulation; secondary frequency control; AC aggregations; AC cluster; houses; secondary frequency regulation service; primary frequency control; air conditioning cluster; virtual power plant; load frequency control; heuristic simulated search algorithm

Subjects: Optimisation techniques; Optimisation techniques; Frequency control; Air conditioning; Control of heat systems; Control of electric power systems; Power system control

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