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access icon free Combined control and power hardware in-the-loop simulation for testing smart grid control algorithms

© The Institution of Engineering and Technology
Received 26/08/2016, Accepted 20/02/2017, Revised 06/02/2017, Published 01/03/2017

Distribution networks are becoming increasingly ‘smarter’, as well as more complex, with the addition of power electronic devices, information and communication technologies, smart meters, and more. As a result, advanced control strategies to manage such networks are becoming necessary. These strategies need to be thoroughly tested and validated, before they can be implemented in a real network. For this reason, a smart grid control algorithm testing chain is proposed, that aims to gradually test control algorithms, in all their development stages, using increasingly advanced laboratory setups. In addition, the interfacing options and challenges of each stage of the chain are highlighted. The proposed testing chain is substantiated in an optimal centralised coordinated voltage control (CVC) algorithm and the final stage of the chain, namely the combination of control and power hardware-in-the-loop simulation, is presented in this study. As a specific example, the management technique for a storage system is implemented as part of the CVC algorithm. The laboratory results demonstrate that the proposed setup, despite its high complexity, enables the algorithm to be effectively and realistically tested as part of the overall system.

Inspec keywords: voltage control; power distribution control; power system simulation; control engineering computing; hardware-in-the loop simulation; smart power grids; centralised control; optimal control

Other keywords: distribution networks; power electronic devices; storage system; optimal centralised coordinated voltage control algorithm; advanced control strategy; test control algorithms; information and communication technology; power hardware in-the-loop simulation; smart grid control algorithm testing chain; CVC algorithm; smart meters; management technique

Subjects: Control engineering computing; Optimal control; Control of electric power systems; Power system control; Power engineering computing; Voltage control; Distribution networks

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