2017 IEEE Energy Conversion Congress and Exposition (ECCE) 2017
DOI: 10.1109/ecce.2017.8096959
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Online measurement of bus impedance of interconnected power electronics systems: Applying orthogonal sequences

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Cited by 17 publications
(5 citation statements)
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“…Similar methods were recently applied in [44] and [45]. These works considered multi-converter DC power distribution systems.…”
Section: Orthogonal Binary Sequencesmentioning
confidence: 99%
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“…Similar methods were recently applied in [44] and [45]. These works considered multi-converter DC power distribution systems.…”
Section: Orthogonal Binary Sequencesmentioning
confidence: 99%
“…The DIBS is a computer optimized signal where the goal of the optimization is to force as much power as possible into the specified harmonic frequencies without increasing the signal time-domain amplitude. For larger systems containing several converters, orthogonal pseudo-random binary sequences have been applied [44], [45]. These sequences make it possible to simultaneously measure several (coupled) frequency responses, thus reducing the overall measurement time and guaranteeing constant system operating conditions during the measurements.…”
Section: Introductionmentioning
confidence: 99%
“…In real implementations, however, the postprocessing can be integrated on the inverter controller structure, which also enables easy system scaling for higher number of inverters, as the computational effort for an independent inverter is unchanged. Online techniques with similar computational demands have been successfully implemented on the converter controller hardware [20], [21], [42].…”
Section: Setup Implementationmentioning
confidence: 99%
“…When multiple, independent, paralleled converters with similar crossover frequencies perform stability monitoring at the same time, the injected perturbation signals combine and the accuracy of the unity-gain criterion (2) and (3) may reduce. Different solutions have been proposed to cope with similar issues [25], [26]. The following paragraphs discuss this aspect, presenting a general approach, based on supervisory control, and a practical method for handling the issue in some cases of interest.…”
Section: Multiple Converter Scenariomentioning
confidence: 99%