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Search results for: harmonic
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Year: 2013, Volume: 13, Number: 3
... Asiminoaei, L.; Boldea, I.; Blaabjerg, F., "High Inverter Dominated Unbalanced LV Microgrids, IEEE Transactions Performance Current Controller for Selective Harmonic on Power Systems, 2007, pp. 294 – 304. Compensation in Active Power Filters," Power Electronics, IEEE [3] Shivkumar V. ...
Year: 2013, Volume: 13, Number: 3
... amplitudes of the 7th (0.47% vs. 1.11%) An important geometrical parameter associated to the and 11th (1.36% vs. 2.21%) order harmonics. close slots stator structure of PMSM, that may affect the By simulating the load regime of the SPM and IPM machine performance in no-load/load condition ...
Year: 2013, Volume: 13, Number: 3
... the rotor, Various kinds of induction motors are designed for high otherwise, the harmonic components will induce a large speed applications such as: squirrel cage IM [ ... fewer (4) are plotted as functions of Np, the point of their harmonics in the stator's mmf. Leakage and winding factors intersection represents the value of ...
Year: 2013, Volume: 13, Number: 3
... in for reducing of car motors noise because these acoustic narrow-banded disturbances may control every harmonic signals are not synchronized with the motor rotation [10]. separately. ... out modeling of all the important the reference noise in devices with high temperatures, harmonics of noise. This kind of an active control is suitable turbulent tubes ( ...
Year: 2013, Volume: 13, Number: 2
... , the angular frequency of the exciting force. therefore the springs can be regarded as lumped elements The expressions of the velocity and acceleration and the systematic excitation is harmonic. According to the components for the x and y directions are formulated as theory of mechanical vibration, the motion form of this v x= ω r ...
Year: 2013, Volume: 13, Number: 2
... Nigel Smith, Motors as generators for Micro-hydro Power. Second steady-state error and selective harmonic compensation", Proc. IEEE Edition, Intermediate Technology Publishing, 2008. ... with Electronic Load Controller," 2010 Electrical Systems for zero steady-state error for current harmonics of concern under Aircraft, Railway and Ship Propulsion (ESARS), pp ...
Year: 2013, Volume: 13, Number: 2
... to 2.6 V). We have measured and evaluated case. The second type of AGC (Fig. 7b) offers larger dependences of output level and total harmonic distortion suppression of higher harmonic components and therefore (THD) on f0. Results are in Fig. 13 and Fig. 14. lower THD for nearly ...
Year: 2013, Volume: 13, Number: 2
... high order harmonics (Fig. 9). The most significant is the 17th harmonic but the 5th harmonic is unusual high despite the short-pitch stator winding. Finally ... others which are better pointed out by the Fourier analysis and content in high order harmonics (Fig. 9). The most significant is the 17th harmonic but ...
Year: 2013, Volume: 13, Number: 2
... D. A. Johns, "Analogue adaptive filters: past and – order harmonic rejection for digital TV tuners", in Proc. of present", ... analog frequency tracking filter in Fig. 6 is very selective, practically all the harmonics of the input signal being rejected. This result is in agreement with the ...
Year: 2013, Volume: 13, Number: 1
... simulation of the inverter and the filter to obtain the harmonic material is needed to obtain the same magnetic field ... ]. Coreless energy storage systems. machines lack space harmonics as they do not have Ironless stators are an ... the losses are now induced in the stator currents. Time-harmonic 3D FEM simulations are the shielding instead of in ...
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