PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
Distributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish low-voltage ride-through requirements in order to keep feeding the grid and support the grid voltage. Also, rated current can be required to better utilize reactive power provisions. This paper presents a reference generator capable to accomplish these two objectives: to keep the injected currents within safety values and to compute the power references for a better utilization of the inverter power capacity. The reference generator is fully flexible since positive and negative active and reactive powers can be simultaneously injected to improve ride-through services. Selected experimental results are reported to evaluate the performance of the proposed reference generator under different control strategies.
CitationCamacho, A. [et al.]. Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults. "IEEE transactions on industrial electronics", 01 Març 2015, vol. 62, núm. 3, p. 1515-1525.
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