Derivative Reference-Based Method for Detection of Instability in Power Hardware-in-the-Loop Simulation
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Sep 27, 2017
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Aug 28, 2016
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Systems and methods are provided for detecting instability in power hardware-in-the-loop simulations for protection of the equipment being tested. The technology includes computing the magnitude of the time-derivative of reference quantities supplied to a power amplifier and applying a moving average filter. The result from the filter is compared to a threshold for detection of an instability resulting in oscillations of the reference quantities. Once oscillations are detected mitigating steps are taken to protect the device under test.
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