Results 31 to 40 of about 72,328 (282)
Zhongguo dianli, 2021 With the extensive application of photovoltaic inverter, the harmonic generated during its operation overlaps with the background harmonic of the system at the access point, which causes harmonic amplification and even resonance problems. It is therefore
Xu ZHANG +4 more
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IEEE Access, 2023 Modern industrial and commercial devices that are fed by power electronics circuits and behave text non-linearly tend to produce power quality issues in power systems including harmonics and interharmonics, swell, flicker, spikes, notches, and transient ...
Amir Taghvaie +5 more
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Voltage harmonic reduction for randomly time-varying source characteristics and voltage harmonics [PDF]
, 2006 This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services. Internal or personal use of this material is permitted.
Zobaa, AF
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IEEE Access, 2020 The simple increasing impedance model is usually adopted by calculation or computer simulation to represent the harmonic behaviors of the power source in the studies of impedance-frequency characteristics (IFCs) of the traction power supply system (TPSS)
Yating Zhai +3 more
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IEEE Access, 2022 Grid impedance plays a significant role in the performance and design considerations of nonlinear devices like Variable Frequency Drive (VFD). VFD operates across domestic, industrial, and residential applications under different grid configurations and ...
Ramesh Pandurangan +2 more
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Practical Characterization of Cell-Electrode Electrical Models in Bio-Impedance Assays [PDF]
, 2018 This paper presents the fitting process followed to adjust the parameters of the electrical model associated to a cell-electrode system in Electrical Cell-substrate Impedance Spectroscopy (ECIS) technique, to the experimental results from cell-culture ...
Daza Navarro, María Paula +7 more
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Suppression of Second-Order Harmonic Current for Droop-Controlled Distributed Energy Resource Converters in DC Microgrids [PDF]
, 2020 Droop-controlled distributed energy resource converters in dc microgrids usually show low output impedances. When coupled with ac systems, second-order harmonics typically appear on the dc-bus voltage, causing significant harmonic currents at the ...
Caldognetto, Tommaso +3 more
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Quantitative damping reshaping method based on equivalent RLC circuits using an active damper
IET Power Electronics, 2023 Large scale power electronic converters in renewable energy power system (REPS) constitute a complex multi‐scale high‐order non‐linear network. Harmonic amplitude amplification of specific frequency (e.g.
Fei Li +5 more
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Study on the Verification of the Calculated Harmonic Impedance
IEEE Access, 2020 The verifications of the calculated harmonic impedances are necessary for harmonic impedance estimation. Among the existing methods of the verifications, the method, by matching the calculated background harmonic voltage with the measured voltage when ...
Fangwei Xu +4 more
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Measurement-Based Distribution Grid Harmonic Impedance Models and Their Uncertainties
Energies, 2020 Aggregated Norton’s equivalent models, with parallel impedance and current injection at different harmonic frequencies are used to model the distribution grid in harmonic studies.
Ravi Shankar Singh +2 more
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