Systematic Characterization of Power Hardware-in-the-Loop Evaluation Platform Stability

Wang, Jing; Lundstrom, Blake; Mendoza, Ismael; Pratt, Annabelle

doi:10.1109/ecce.2019.8912270

Cited by 6 publications

(2 citation statements)

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“…In this paper, the voltage rise, i.e., the offset is found to be in direct relation with the reference voltage magnitude for open circuit configuration. The internal impedance of the PI is not evaluated in this paper; the methods to do so are discussed by Wang et al [16]. The basics on the response of specific power amplifier in a PHIL setup are laid down in detail through the scenario performed in this paper.…”

Section: Scenariomentioning

confidence: 99%

“…A lot of research has been carried out to improve in general the accuracy of the PHIL simulation [10][11][12], compensation of the PHIL simulation interface [13], and design considerations [14]. The issues related to stability of a PHIL experiment are also highlighted in detail in referenced studies [15][16][17]. Similarly Zha et al [18] discusses the accuracy of the complete setup using virtual impedance method.…”

Section: Introductionmentioning

confidence: 99%

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Power Hardware-in-the-Loop: Response of Power Components in Real-Time Grid Simulation Environment

et al. 2021

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With increasing changes in the contemporary energy system, it becomes essential to test the autonomous control strategies for distributed energy resources in a controlled environment to investigate power grid stability. Power hardware-in-the-loop (PHIL) concept is an efficient approach for such evaluations in which a virtually simulated power grid is interfaced to a real hardware device. This strongly coupled software-hardware system introduces obstacles that need attention for smooth operation of the laboratory setup to validate robust control algorithms for decentralized grids. This paper presents a novel methodology and its implementation to develop a test-bench for a real-time PHIL simulation of a typical power distribution grid to study the dynamic behavior of the real power components in connection with the simulated grid. The application of hybrid simulation in a single software environment is realized to model the power grid which obviates the need to simulate the complete grid with a lower discretized sample-time. As an outcome, an environment is established interconnecting the virtual model to the real-world devices. The inaccuracies linked to the power components are examined at length and consequently a suitable compensation strategy is devised to improve the performance of the hardware under test (HUT). Finally, the compensation strategy is also validated through a simulation scenario.

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Section: Scenariomentioning

confidence: 99%