文章基本信息

标题：COMPARATIVE ANALYSIS OF THE PULSE WIDTH MODULATION METHODS FOR THE PROPULSION FREQUENCY CONVERTER
其他标题：KOMPARATIVNA ANALIZA METODA ŠIRINSKO-IMPULSNE MODULACIJE PROPULZIJSKOG PRETVARAČA FREKVENCIJE
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作者：Aleksandar Cuculić ; Aleksandar Cuculić ; Dubravko Vučetić 等
期刊名称：Pomorstvo
印刷版ISSN：1332-0718
电子版ISSN：1846-8438
出版年度：2012
卷号：26
期号：2
页码：289-306
语种：English
出版社：University of Rijeka, Faculty of maritime studies
摘要：In this paper, using a simulation model developed in Simulink, the three most common Pulse Width Modulation techniques are analyzed: hysteresis current control method, sine-triangle method, and space vector modulation method. Simulation is performed in the time domain and a quasi-stationary approach is applied for the simulation results analysis. Waveforms and harmonic distortion of propulsion motor’s stator voltage and current are analyzed at different speeds and appropriate loads for all three modulation methods. The obtained results indicate that, at approximately equal switching frequencies, the total harmonic distortions of propulsion motor voltage and current are arguably lowest when the space vector modulation method is used and are highest with the hysteresis current control method. Frequency modulation index has a relative small impact on THDu and a very large impact on THDi.
其他摘要：U radu su pomoću simulacijskog modela razvijenog u programskom alatu Simulink analizirane tri najčešće korištene metode širinsko-impulsne modulacije: metoda histereze, sinusno-trokutna metoda i metoda modulacije prostornog vektora. Simulacija je izvršena
关键词：Pulse Width Modulation; electric propulsion; ship; frequency converter; modulation techniques
其他关键词：širinsko-impulsna modulacija; električna propulzija; brod; pretvarač frekvencije; modulacijske tehnike