Initialization and synchronization of power hardware-in-the-loop simulations : a Great Britain network case study

Guillo-Sansano, Efren and Syed, Mazheruddin H. and Roscoe, Andrew J. and Burt, Graeme M. (2018) Initialization and synchronization of power hardware-in-the-loop simulations : a Great Britain network case study. Energies, 11 (5). 1087. ISSN 1996-1073

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    Abstract

    The hardware under test (HUT) in a power hardware in the loop (PHIL) implementation can have a significant effect on overall system stability. In some cases, the system under investigation will actually be unstable unless the HUT is already connected and operating. Accordingly, initialization of the real-time simulation can be difficult, and may lead to abnormal parameters of frequency and voltage. Therefore, a method for initializing the simulation appropriately without the HUT is proposed in this contribution. Once the initialization is accomplished a synchronization process is also proposed. The synchronization process depends on the selected method for initialization and therefore both methods need to be compatible. In this contribution, a recommended practice for the initialization of PHIL simulations for synchronous power systems is presented. Experimental validation of the proposed method of establishing a PHIL simulation for a Great Britain network case study demonstrates the effectiveness of the approach in achieving stable operation.