Controller hardware in the loop testing of microgrid secondary frequency control schemes

This paper describes a controller hardware-in-the loop (C-HIL) approach for testing centralized and distributed secondary frequency control schemes of AC microgrids operating in islanded mode. We describe the formulation of the secondary frequency control problem and the theory behind the centralize...

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Bibliographic Details
Published in:Electric power systems research 2021-01, Vol.190, p.106757, Article 106757
Main Authors: Nigam, Siddhartha, Ajala, Olaoluwapo, Domínguez-García, Alejandro D., Sauer, Peter W.
Format: Article
Language:English
Subjects:
Centralized control
Control equipment
Controller hardware-in-the-loop
Controllers
Distributed control
Distributed generation
Electricity distribution
Frequencies
Frequency control
Hardware-in-the-loop simulation
Microgrid control
Response time
Test stands
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Summary:This paper describes a controller hardware-in-the loop (C-HIL) approach for testing centralized and distributed secondary frequency control schemes of AC microgrids operating in islanded mode. We describe the formulation of the secondary frequency control problem and the theory behind the centralized and distributed implementations of the control schemes. Then, we describe the testbed utilized for C-HIL testing activities. Finally, we provide the testing results that compare the performance (in terms of the system response time), and resilience (in terms of withstanding the failure of a control device), of both schemes.
ISSN:0378-7796
1873-2046
DOI:10.1016/j.epsr.2020.106757