نتایج جستجو برای: squirrel cage induction generator
تعداد نتایج: 254797 فیلتر نتایج به سال:
An accurate and simpler approach for modelling and simulating the dynamic behavior of squirrel cage induction machines is presented here. The model is based on multiple coupled circuits and takes into account the geometry and winding layout of the machine. All inductances are derived by means of the winding function approach (WFA) and are integrated with the decomposition into their Fourier ser...
The increasing interest in exploiting renewable energy resources has introduced a new generation of energy conversion technologies including wind farms (WF) to the power systems. Previous studies of these WFs and their impacts on power systems have made new challenges emerge, which in turn, require detailed assessment for continuously increasing wind power penetration. Among these challenges, t...
Nowadays, finite element analysis represents the most accurate tool to analyse electrical machines. However, time domain resolution of electromagnetic problem, in some cases, requires long simulation due induced nature currents. The computational burden increases when machine features a skewed layout on stator or rotor structures, since this 2D multi-slices approximated even full 3D model. In p...
Squirrel cage induction motor is the most widely adopted electrical machine in applications directly fed by main grid. The analysis, design, and optimization of this topology has been addressed a considerable amount literature over last century. Although its wide adoption, especially when carried out an automatic fashion, still presents significant challenges because accurate prediction perform...
This article presents a harmonic analysis of the stator currents squirrel-cage induction motor fed by voltage source inverter with PWM space vector control (SVPWM). The influence switching frequency and dead time (dead band) controlled transistors on THD electromagnetic torque ripple is shown. aim to determine lowest for which drive will operate correctly. Characteristics were determined as fun...
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