تخمین و استخراج شکل موج سینوسی از مبدل ماتریسی با استفاده از روش استراتژی متعامد

محورهای موضوعی : انرژی های تجدیدپذیر

علیرضا سیادتان ¹ (استادیار - دانشکده مهندسی برق، واحد تهران غرب، دانشگاه آزاد اسلامی، تهران، ایران)
سیدابراهیم افجه ² (استاد - دانشکده مهندسی برق، دانشگاه شهید بهشتی، تهران، ایران)
هادی آقازاده ³ (دانشجوی دکتری – دانشکده مهندسی برق، دانشگاه شهید بهشتی، تهران، ایران)

تاریخ دریافت : 1395/06/14 تاریخ پذیرش : 1395/09/07 تاریخ انتشار : 1395/11/01

کلید واژه: مبدل ماتریسی, فاز متعامد, مبدل Ac به Ac, استراتژیک سوییچها, موتور القایی دو فاز,

چکیده مقاله :

در این مقاله روشی موثر برای استخراج دو شکل موج شبه‌سینوسی با زاوایای متعامد برای کاربرد در موتورهای القایی دو فاز مورد بررسی قرار گرفته است. به بیان دقیق‌تر استراتژی کلیدزنی پیشنهادی به نحوی است که ولتاژ تولید شده توسط مبدل ماتریسی در دو فاز 90 درجه با یکدیگر اختلاف فاز دارند. این روش کلیدزنی برای عملکرد موتورهای القایی دو‌فاز بسیار مناسب است. فرکانس ولتاژ تولیدی آیتم مهمی برای این نوع موتورها است که مبدل ماتریسی قابلیت کنترل این فرکانس را نیز دارد. لازم به ذکر است کلیدهای دوطرفه به طور هم‌زمان نمی‌توانند روشن شوند بنابراین فرمان‌های کلیدزنی باید بصورت دقیق تولید شوند. به منظور راستی‌آزمایی روش پیشنهادی شبیه‌سازی در نرم‌افزار MATLAB/SIMULINK برای بار مقاومتی و سلفی انجام شده است. روش مدولاسیون پهنای پالس استفاده شده برای استخراج نتایج عملی به وضوح عملکرد موثر و صحیح این روش را نشان می‌دهد.

چکیده انگلیسی:

this paper has scrutinized an effective approach regarding to how to elicit double quasi-sinusoidal waveform with orthogonal angles that can be applicable for two-phase induction motors. Hither, to be more precisely declared that a switching strategy is proposed so that the provided voltages by Matrix Converter (MC) i.e., A and B phases have 90⁰ difference with each other. This switching strategy assists two-phase induction motors aimed at operating in appropriate state. As the created frequency in an important item for this motor, matrix converter can also undertake this function. It is worth mentioning that, the switching is somehow performed until bio-directional switches couldn’t be simultaneously triggered and withal taken place in the accurate switching order. Its related circuit in order to producing appropriate current and voltage has been tested considering MATLAB Simulink and experiment. The simulation result is extracted with respect to inductive and resistive load. Meantime, PWM method is carried out to extract experimental results that clearly show its effectual performance.

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