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Search results for: harmonic
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Year: 2010, Volume: 10, Issue: 3
... supporting its detection are explained. They are harmonic and non-harmonic current components in all of the based on the ... . In [153], an algorithm consisting of harmonic current algorithm. An adaptive detection method monitoring the ... . Besides, there is not a single method to harmonics generated by high-impedance faults. Reference completely solve the ...
Year: 2013, Volume: 13, Number: 4
... methods; whereas the drawbacks are concerning power signals containing harmonic and interharmonic the need of highly developed hardware. ... made even if voltage dips measurement system dedicated for the harmonics, voltage or swells appear. The virtual instrument ... ; (7) brings errors in the case of interharmonics and fundamental ƒ ƒ k, c € ...
Year: 2011, Volume: 11, Number: 3
... , Number 3, 2011 The Hybrid Method for On-line Harmonic Analysis Jovan M. KNEŽEVI†1, Vladimir A. ... ], [22]. In this such as harmonics, sags, swells, short interruptions, paper ... to overcome the drawbacks of the DFT and harmonics/inter-harmonics of time-varying frequencies," IEEE Trans. EPLL ...
Year: 2021, Volume: 21, Number: 4
... in undesirable torque ripple, cogging torque, excessive eddy harmonic reduction. The proposed design offers the minimum current ... 1 Abstract €” This paper presents a new optimized fractional harmonics, itself causes large magnitudes of other slot concentrated ... (FSCW) design for torque ripple subsequent sub-harmonic. These sub-harmonics contributes minimization in permanent magnet motors through space ...
Year: 2009, Volume: 9, Issue: 1
... PWM converter, digital control, microcontroller, simulation, harmonic distortion generation of the command signals for the transistors ... . [9] B.Justus Rabi, '€™ Minimization of Harmonics in PWM Inverters Based on Genetic Algorithms'€™, Journal ... MODULATION STRATEGY USED FOR through the addition of the 17-percent third-harmonic INVERTERS COMMAND component to the original sine reference. ...
Year: 2011, Volume: 11, Number: 2
... flux Search Control (SC) technique minimum distortion and harmonic noises in four-switch decreases the convergence time by proper ... Space Vector PWM (SVPWM) factor and individual current harmonics of SRM with and voltage source inverter. Adaptive ... related to that. The long deal of attention. Space-harmonic in a multiphase machine time to reaching optimal input ...
Year: 2022, Volume: 22, Number: 2
... 5 ], the authors proposed blushless machine with third harmonic injection topology, and the study in [6 ... , D. Gerling, "Reduction of low space harmonics rectangular copper wire and closed slot opening on electrical ... magnetization patterns," Journal rotor synchronous machine with zero-sequence third-harmonic field of Magnetics, vol. 23, no ...
Year: 2009, Volume: 9, Issue: 1
... Kalman, Luenberger) of induction machine rotor speed utilizing harmonic saliencies estimators using artificial intelligence. created by rotor ... 1, 2009 Induction Motor Speed Estimator Using Rotor Slot Harmonics Gabriela RAŢ‚1, Mihai RAŢ‚1, Iulian GRAUR2, ... and improved schemes estimators using spatial saturation stator-phase third the slot-harmonic frequencies 14x50x0.988 €“ 5x50= 442 harmonic voltages Hz ...
Year: 2010, Volume: 10, Issue: 4
... Variable Structure Control of DFIG for Wind Power Generation and Harmonic Current Mitigation Djilali KAIRUS1,3, René WAMKEUE2 ... x devices. PAFs are also used to eliminate voltage harmonics, with the condition of the existence of the ... mode: regulate terminal voltage suppress voltage flicker and 1 improve voltage balance in three-phase systems [16]. ...
Year: 2007, Volume: 7, Issue: 1
... If the circuits of radiated sources are supply by the non-harmonic currents, then the superposition Figure 1. Investigated ... scheme method of individual harmonic components of Fourier series is necessary to apply for the resulting vectors E and H ... 1. Coefficients of Fourier series for transistor current iC Harmonics Harmonics Harmonics Harmonics Harmonics 0 1 2 3 4 ...
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