Compliance criteria for power oscillation damping functions in power electronic interfaced resources
Résumé
This paper examines the limits and opportunities of various approaches for specifying and designing power oscillation damping (POD) controllers for power electronic interfaced resources (PEIR) to improve inter-area mode damping. While frequency domain requirements are increasingly recognized as essential for ensuring stability and robustness across a specified frequency range, further efforts are needed to achieve consensus among industry stakeholders regarding suitable compliance criteria and verification methods. At the same time, simulation benchmarks tailored to capture relevant dynamics have proven effective in assessing time-domain performance. Through controllability and observability analysis, the study highlights the significant dependence of the device under test's (DUT) closed-loop response on the specific settings of the test system.
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