Study of the Effect of Destabilizing Factors on the Parameters of the Power Elements of Converters

IF 0.4 4区 工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY
V. I. Avdzeiko, A. A. Drozdova, V. M. Rulevskii, D. Yu. Lyapunov
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Abstract

A study of the effects of the main ten destabilizing factors on the parameters of the converter’s power elements has been conducted. Converters operating in the switching mode create voltage and current ripples in the supply network and at the input of connected consumers. To reduce the magnitude of ripples, it is proposed to use circuits with an incomplete range of output-voltage adjustment, which form a constant unadjusted and a pulsed adjusted component in the form of consumed current and voltage at the input of the output filter. In such circuits, the unadjusted component provides the transmission of electricity to consumers without adjusting and filtering its parameters, and reducing the amplitude of the adjusted pulse component makes it possible to reduce the inductance of the chokes and the capacitance of the capacitors of the input and output filters and, therefore, to improve their weight and size. The dependence of the ripple ranges of the current of the chokes and the voltage across the filter capacitors on the magnitude of the relative pulse-voltage component has been established. This study was performed on a converter model created using the MATLAB Simulink program. The research results were obtained for circuits with incomplete and full ranges of output-voltage adjustment, analysis of which proved the prospects of the proposed scheme.

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来源期刊
Instruments and Experimental Techniques
Instruments and Experimental Techniques 工程技术-工程:综合
CiteScore
1.20
自引率
33.30%
发文量
113
审稿时长
4-8 weeks
期刊介绍: Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.
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