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Search results for: harmonic
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Year: 2011, Volume: 11, Number: 1
... of the stacked histogram, we present a multidimensional optimization space [3 ], [4 ], [5]. Among two coloured histograms of two phase-shifted harmonic the most significant parameters and features is a signals in Fig. 2. This simple picture demonstrates the convergence of these methods. How the given algorithm aforementioned ...
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: 2010, Volume: 10, Issue: 4
... rate% [1] -. Demirkol, "Measurement and Compensation in with Harmonic and 1 White goods Refrigerator, washing machine, etc. 23,25 ... According to the waveform in Fig. 6, increased and the effects of the harmonics are reduced, the T=20000 s (11) cost of ...
Year: 2010, Volume: 10, Issue: 4
... and the imposed CR. dictionaries such as wavelets, curvelets etc. stems from the For the random projection matrix used in CS two cases deep mathematical tools of Harmonic Analysis [27] [12]. have been considered, namely: However, since it is difficult and time consuming to develop ‚ The projection matrix ...
Year: 2010, Volume: 10, Issue: 4
... link of the frequency converter. Fig. 9. Control structure of AC drive- DTC method with VPWM By these relationships, the maximum value of the basic harmonic of the output voltage at modulation ratio equal to In figures 11, 13, 15, 17, the courses of quantities at the one is calculated. ...
Year: 2010, Volume: 10, Issue: 4
... , M. Raţƒ, I. Graur and D. L. Milici, "Induction Motor Speed The noise experiments performed on optocouplers with Estimator Using Rotor Slot Harmonics", Advances in Electrical and Computer Engineering, vol. 9, no. 1, pp. 70-73, 2009. phototransistor of TIL112 and CNY 17 ...
177. Control Strategy for Three Phase Voltage Source PWM Rectifier Based on the Space Vector Modulation
Year: 2010, Volume: 10, Issue: 3
... voltage response and is low stabilize the minimum of the systems storage function at the harmonic distortion [4] -[ 5]. desired equilibrium point determined by ... ; The input resistance: R= 0,3Ω- to minimize line side harmonics injected by the rectifier switching; The output capacitor: C dc= 1100 ...
Year: 2010, Volume: 10, Issue: 3
... , as well as Index Terms €” AC Motor drives, Converters, Power higher harmonic distortion in the power sources. The semiconductor switches, Speed control. selection ... Induction Motor Speed Acceleration-Decelaration Tests", IEEE Transactions on Industrial Estimator Using Rotor Slot Harmonics", Advances in Electrical and Electronics, vol. 54, no. ...
Year: 2010, Volume: 10, Issue: 3
... expansion of systems possibilities that exist for ferroresonance is very desirable without enhancing the possibility of ferroresonance. APPENDIX A TABLE 1: SYSTEM WITHOUT CONSIDERING C.B SHUNT RESISTANCE Sub harmonic Fundamental Frequency Periodic state Frequency Chaotic Ferroresonance Elements Ferroresonance Ferroresonance Actual Per unit Actual Actual Per unit Per unit Per unit value Actual value value value value value value ...
Year: 2010, Volume: 10, Issue: 3
... HVDC, after a description of some sort of frequencies. the causes and effects harmonic pollution which may damage The crossing of these harmonic currents in electric network equipments ... and Computer Engineering Volume 10, Number 3, 2010 Shunt Active Filter in Damping Harmonics Propagation Hamza TEDJINI 1, Youcef MESLEM 1, Mustapha RAHLI 2, Brahim ...
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