... harmonics related to the machine rotation and tied to magnetomotive force appear in the low frequency area, called phase-belt harmonics in Liang et al. (2014) . However, the power supply and inverters cause high frequency harmonics around integers multiple of switching frequency, called PWM...

...Salma Benharref; Vincent Lanfranchi; Daniel Depernet; Tahar Hamiti; Sara Bazhar Purpose The purpose of this paper is to propose a new method that allows to compare the magnetic pressures of different pulse width modulation (PWM) strategies in a fast and efficient way. Design/methodology...

... of the damper winding is recalled. The second part presents the iterative design method which is applied on a 4-kW pulse width modulation (PWM)-fed induction machine to study the impact of the additional winding on the geometry. In the third part, the finite-element method is used to validate the designed...

...Tomasz Rudnicki; Andrzej Sikora; Robert Czerwinski; Tadeusz Glinka Purpose This paper aims to present the impact of Pulse Width Modulation (PWM) control frequency for specific Permanent Magnet Synchronous Motors (PMSMs) on the efficiency of the entire driving unit. Examinations were carried out...

...Wenju Yan; Hao Chen; Lei Chen; Kai Wang Purpose This paper aims to establish a modified variable coefficient calculation model to analyse the control parameter effect on the iron loss of switched reluctance motor under pulse width modulation (PWM) mode. Design/methodology/approach The finite...

... Publishing Limited Licensed re-use rights only PWM Iron losses Soft magnetic materials Magnetic hysteresis Accurate modelling of soft magnetic hysteresis loops for arbitrary excitation regimes is essential in applied engineering. Adequate prediction of dynamic magnetization curves...

...F.X. Edwin Deepak; V. Rajasekaran Purpose The purpose of this paper is to present the three phase seven-level Z-source neutral point clamped (NPC) inverter with multicarrier pulse-width modulation (PWM) technique. Despite numerous topologies and modulation methods, there is a dire need...

... machines. Pulse width modulated (PWM) voltage supply on the stator side, as well as a doubly fed operation mode with rotor-sided inverter, are investigated. Design/methodology/approach – An inverter fed machine model is coupled to previously developed eddy current and hysteresis loss models. The eddy...

...K. Chitra; A. Jeevanandham Purpose – The purpose of this paper is to present the Switched Inductor Z-Source Inverter (SLZSI) topology for three-phase on-line uninterruptible power supply (UPS) by employing third harmonic injected maximum constant boost pulse width modulation (PWM) control...

... presents a comparative analysis between these control methods. In this paper, a digital control based on TMS320F2808 DSP is used to implement the proper control method for OCBCs. Control systems Electric converters PWM Power devices Energy transport In recent year, extensive research studies...

... disposition (PD) and phase shifted carrier (PSC) pulse width modulation (PD-PSC-PWM) technique. Hence, the suggested approach develops an analytic solution for the Fourier series and associated Fourier coefficients pertinent to the switching functions of the SMCs by obtaining the switching instants of the PD...

... and rear end of the machine. At this point, end-winding inductances can be included in the model. These, however, require distinct modelling approaches and are omitted in the present analysis. Pulse width modulated (PWM) inverters are known to cause high frequency (HF) common mode (CM) excitation...

... time constants of the rise times and different periods of typical PWM inverters (Huang, 2004). The ASD which employs the DC bus under consideration is also typical. It can achieve a rise time of 100 ns (10 MHz) at best but normally a rise time of 200 ns (5 MHz). Therefore, it is irrelevant to extract...

... researchers to regulate the output voltage of the converters using feed‐forward control technique. İres İskender can be contacted at: iresis@gazi.edu.tr © Emerald Group Publishing Limited 2006 Analytical model Power converter High voltage PWM Feedback and feed‐forward control...