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Search results for: harmonic
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Year: 2017, Volume: 17, Number: 3
... IPMSM drives was designed the rated speed at constant voltage. This enables for using the speed error and its change [22]. A robust nonlinear minimizing the harmonic losses of the IPMSM [3-6]. speed controller for IPMSMs based on MTPA with However, their operation over a wide speed range in both harmonic decrease ...
Year: 2017, Volume: 17, Number: 2
... learning a set of functions in time domain. molecules are tagged to musical instruments. Each atom is a These basic functions perfectly encode the sound signal sum of harmonic parts whose amplitudes are specific to one using statistical methods. First, some particular basis instrument, and each molecule is constructed from several functions are chosen and ...
Year: 2013, Volume: 13, Number: 4
... ) time domain Figure 7. Time-domain simulation results for triangular wave input current at n port and square wave input current at p port. Figure 10. Total harmonic distortion for 50MHz current input Figure 8. Time-domain simulation results for sinusoidal input currents at n and p ports. In order to determine the total harmonic distortion ...
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: 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: 2011, Volume: 11, Number: 2
... motor (left) and detail of the mesh (right) The machine with 2p=6 has significant high order III. SIMULATION BY MEANS OF FEM-BASED ANALYSIS harmonics both of odd but also of even degree. In such a FEM-based simulation is generally used to put in view situation is not indicated a continuous operation with ...
Year: 2011, Volume: 11, Number: 2
... Bessyo, K. bandwidth 70MHz. Yasui, I. Hirota, H. Omori, "Quasi-resonant ZVS PWM Inverter-fed DC-DC Converter for Microwave Oven and its Input Harmonic Current Evaluations", Industrial Electronics Society, 1999. IECON VI. CONCLUSIONS '99 Proceedings. The 25th Annual Conference of the IEEE [Online]. Driving ...
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: 2018, Volume: 18, Number: 3
... of the DSIM is advantages of the DSIM are their higher torque density, presented. In Section III a vector control of the DSIM is higher efficiency, reduced harmonic content of the DC link introduced. A PI-Fuzzy control of the DSIM is proposed in current [9]. Section IV. The simulation results and their ...
Year: 2014, Volume: 14, Number: 1
... is reached also the integrator is reset. shown that instability occurs with period doubling leading to a It has been shown that converters using this technique half switching frequency subharmonic. Computer simulations reject input voltage perturbations in exactly one switching confirm the validity of theoretical considerations. cycle and tightly follow the control reference very quickly. Index ...
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