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Search results for: harmonic
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Year: 2013, Volume: 13, Number: 1
... compensation and partial calculation and the reverse transformation into the phase compensation of the current harmonic distortion. The coordinate system [14-19]. In [20], ... It can be seen that the low The VSI consists of a Semikron SKM100GB123D-type order harmonics are practically missing in the harmonic IGBT three-legs bridge. The main parameters of ...
Year: 2013, Volume: 13, Number: 1
... is implemented in DSP [16]. T8 1 3 For 35 Hz fundamental harmonic reference, the motor 9 3 1 phase currents are presented in Fig. ... variables and Referred to Fig. 2, the machine phase voltages can be the harmonics of the order k=12 € n 1 (n =1 , ...
Year: 2013, Volume: 13, Number: 1
... Experiment #11. [13] F. Riganti Fulginei, A. Salvini, C. Coltelli, "A Neuro-Genetic and Time-Frequency Approach Macromodeling Dynamic Hysteresis in Harmonic Regime", IEEE Transactions On Magnetics, vol. 39, p. IV. CONCLUSION AND FUTURE WORKS 1401-1404, 2003. [14] S. ...
Year: 2012, Volume: 12, Number: 4
... velocity estimation from noisy During the sudden RMS reduction, the dip distorts the measurements of range and bearing. Since then, they have sinusoidal wave, therefore introducing harmonics. Santoso been used for both predictions and tracking. Kalata and et al [16] have proposed a dyadic-orthonormal wavelet Murphy [21] have tried to ...
Year: 2012, Volume: 12, Number: 4
... ( t)+ x1 2( t ); Ψ( t)= arctan 1 (2) x(t) where x1(t) is harmonic conjugate function (Hilbert transform) of signal x(t). The signals x1(t) and x(t) form a pair of Hilbert ...
Year: 2012, Volume: 12, Number: 3
... and the DBBLS signals is in the utilization of different sub- -0.5 carrier wave. The BOC applies some form of the rectangular wave while the DBBLS utilizes the harmonic one. The -1 spectrum of the BOC modulate signals are theoretically -1 0-0.5 0.5 1 unlimited, but in practical systems the signals are band- Delay [ ...
Year: 2012, Volume: 12, Number: 3
... slots, and T k and k are the amplitude and phase shift of harmonic number k respectively. A good approximation of the T c may use only ... cogging torque, teeth design and operation of PMSM were studied, some of them harmonics, etc. [23]. An important drawback of this model referring ...
Year: 2012, Volume: 12, Number: 3
... are given in Fig.12a running at the steady-state T n =1.8 Nm; J=14.68.10-4 kg.m2; B=0 Nm s/rad. operation. The harmonic spectrum of line voltage is shown in Fig.12b and the THD of V ab is calculated as 43.17%. The REFERENCES harmonic spectrum of motor current is obtained ...
Year: 2012, Volume: 12, Number: 3
... pitch extraction (using four methods: auto-correlation, [16] M. Zbancioc, "Recurrent fuzzy rules (Teodorescu's fuzzy systems) in cepstral, HPS- Harmonic Product Spectrum and AMDF- economic process modeling", in Proc. of 15th International Average Magnitude Difference Function) and for the Conference on Control Systems and ...
Year: 2012, Volume: 12, Number: 3
... AMS. Simulation results are given in Fig. 9 and Fig. 10. Variations on the current and voltage transfer ratios are below 5%. The total harmonic distortion (THD) of the proposed Figure 12. Time domain simulation results of the grounded inductance simulator given in Fig. 2(a) circuit is ...
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