مطالعه و شبیه‌سازی سیستم واحد تولید با توربین آبی و بررسی تاثیر جبران‌ساز گذرای افتی بر رفتار دینامیکی سیستم

محورهای موضوعی : مهندسی برق قدرت

هما موحدنژاد ¹ , سید محمد علی زنجانی ² , مجید معظمی ³ , غضنفر شاهقلیان ⁴

1 - دانشکده مهندسی کامپیوتر، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران
2 - دانشکده مهندسی برق، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران|مرکز تحقیقات ریزشبکه‌های هوشمند، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران
3 - دانشکده مهندسی برق، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران|مرکز تحقیقات ریزشبکه‌های هوشمند، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران
4 - دانشکده مهندسی برق، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران|مرکز تحقیقات ریزشبکه‌های هوشمند، واحد نجف‌آباد، دانشگاه آزاد اسلامی، نجف‌آباد، ایران

تاریخ دریافت : 1401/01/05 تاریخ پذیرش : 1401/05/02 تاریخ انتشار : 1401/09/01

کلید واژه: توربین آبی, پاسخ گذرا, تغییرات بار, جبران‌ساز گذرای افتی,

چکیده مقاله :

یکی از اجزای مهم و تجهیزات دوار در نیروگاه برق آبی، توربین آبی است. چرخش توربین باعث تبدیل انرژی پتانسیل موجود در آب به انرژی مکانیکی شده و سپس انرژی مکانیکی توسط ژنراتور به انرژی الکتریکی تبدیل می شود. در این مقاله هدف مطالعه رفتار دینامیکی یک سیستم واحد تولید با توربین آبی و بررسی اثر جبران‌ساز افتی بر رفتار دینامیکی سیستم است. در واحدهای آبی از جبران‌ساز گذرای افتی برای عملکرد پایدار کنترل سرعت استفاده می‌شویکی از اجزای مهم و تجهیزات دوار در نیروگاه برق آبی، توربین آبی است. چرخش توربین باعث تبدیل انرژی پتانسیل موجود در آب به انرژی مکانیکی شده و سپس انرژی مکانیکی توسط ژنراتور به انرژی الکتریکی تبدیل می شود. در این مقاله هدف مطالعه رفتار دینامیکی یک سیستم واحد تولید با توربین آبی و بررسی اثر جبران ساز افتی بر رفتار دینامیکی سیستم است. در واحدهای آبی از جبران ساز گذرای افتی برای عملکرد پایدار کنترل سرعت استفاده می شود. معادلات سیستم در فضای حالت بیان شده و مدهای حقیقی و نوسانی با استفاده از ماتریس سیستم تعیین شده است. نتایج شبیه سازی در اثر تغییرات پله ای در بار مصرفی حالت پایدار سیستم با استفاده از جبران ساز گذرای افتی را نشان می دهند. همچنین نمودارهای بود تابع انتقال انحراف فرکانس سیستم نسبت به تغییرات بار مصرفی حالت پایدار سیستم را تایید می کنند.د. معادلات سیستم در فضای حالت بیان شده و مدهای حقیقی و نوسانی با استفاده از ماتریس سیستم تعیین شده است. نتایج شبیه‌سازی در اثر تغییرات پله‌ای در بار مصرفی حالت پایدار سیستم با استفاده از جبران‌ساز گذرای افتی را نشان می‌دهند. همچنین نمودارهای بود تابع انتقال انحراف فرکانس سیستم نسبت به تغییرات بار مصرفی حالت پایدار سیستم را تایید می‌کنند.

چکیده انگلیسی:

One of the important components and rotating equipment in the hydroelectric power plant is the hydro turbine. The rotation of the turbine converts the potential energy in the water into mechanical energy, and then the mechanical energy is converted into electrical energy by the generator. In this paper, the aim is to study the dynamic behavior of a production unit system with a water turbine and to investigate the effect of the loss compensator on the dynamic behavior of the system. In water units, a drop transient compensator is used for stable operation of speed control. The equations of the system are expressed in the state space and the real and oscillatory modes are determined using the system matrix. The simulation results show the stable state of the system due to step changes in the consumption load using the transient compensator. Also, bode diagrams confirm the transfer function of the system's frequency deviation in relation to the changes in the system's steady state load.

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