Search

This work proposes a DTC-SVM management rule supported computer coordinate transformation to manage associate induction machine fed by a three-level Neutral purpose clamped matrix converter. The rule is simulated on Matlab Simulink to verify its performance. It provides reasonable performance usually. The results are mentioned, and a study of the results of the variation of computer resistance is projected jointly. [ABSTRACT FROM AUTHOR]

Series Z-Source network, Associate in Nursing enlargement of the favored conception of Z-source dc link, was initially projected for enhancing the output voltage of power electronic inverters. Throughout this paper, that concept is extended on a three-phase indirect matrix converter. The converter depends on the ultra-sparse matrix topology characterized by the minimum vary of semiconductor switches. The series Z-source network is placed between the three-switch input rectifier stage and additionally the six-switch output electrical converter stage, in either the positive or negative rail. A short shoot-through state produces the voltage boost. Associate in Nursing optimum pulse breadth modulation technique is developed for higher boosting capability of the converter and reduce of switch losses. A comparison is made between the matrix converters mistreatment series and customary cascade Z-source networks. The inpouring current and Z-source capacitor's voltage are reduced inside the series Z-source matrix converter. [ABSTRACT FROM AUTHOR]

This research proposes a change of magnitude dc-dc device supporting the Cockcroft-Walton (CW) voltage number while not a transformer, providing continuous input current, with low ripple, high voltage, quantitative relation and low voltage stress on the switches, diodes, and capacitors. The projected device should be appropriate for applying to low-input-level dc generation systems. In this study, the projected management strategy employs 2 freelance frequencies, one that operates at high frequency to attenuate the scale of the inductance and an opposite one that operates at the comparatively low frequency in keeping with the required output voltage ripple. [ABSTRACT FROM AUTHOR]

This project presents a replacement three-phase converter supported the Cuk converter. The principal feature of the planned topology is that the energy storage parts, like inductors and capacitors, is reduced therefore on boost the trustworthiness, and reduce the size and total value. The buck-boost inherent characteristic of the Cuk device, reckoning on the time-varying duty magnitude relation, provides flexibility for stand alone and grid-connected applications once the required output ac voltage is lower or larger than the dc aspect voltage. Average large and little signal models are accustomed to studying the Cuk converter's nonlinear operation. The essential structure, management vogue, and MATLAB/SIMULINK results are given. [ABSTRACT FROM AUTHOR]

The paper presents a non-isolated interleaved DC-DC converter with zero voltage switching. In modern power supply applications, the high voltage gain step-up DC-DC converters are widely used. These are fundamental conversion stages in electric vehicle and grid-connected renewables. Due to the low cost and high efficiency, it is not a trivial task. For this reason, the proposed method presented. It designed by a coupled inductor with active clamping to recycle the coupled inductor leakage energy. This model is capable of achieving more voltage gain without the need for extreme modulation signal. [ABSTRACT FROM AUTHOR]