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Notice: Undefined variable: pz in /var/customers/webs/loxblog/core.php on line 3699 پروژه شبیه سازی منابع تغذیه سوئیچینگ
چکیده:پروژه کارشناسی که ملاحظه می کنید در زمینة منابع تغذیة سوئیچینگ می باشد که به اصول کار و چگونگی طرح و تجزیه و تحلیل منابع تغذیة سوئیچینگ پرداخته و در پایان شبیه سازی آن توسط نرم افزار ORCAD انجام گرفته است.در این پایان نامه سعی گردیده به صورت جامع و کامل در زمینه منابع تغذیة سوئیچینگ توضیح داده شود و در پایان شبیه سازی این منابع تغذیه انجام شده تا مورد استفاده علاقه مندان قرار گیرد.منابع تغذیه خطی منابعی هستند که عنصر کنترل آنها در ناحیه فعال از عملکرد خود قرار دارد، معایب یک منبع تغذیه خطی عبارتند از : 1- بازده کمتر از 50 درصد ( در توانهای نسبتاً زیاد ) ، 2- حجم زیادمعایب منبع تغذیه خطی می تواند با استفاده از منبع تغذیه سوئیچینگ کاهش یافته و یا حذف شود.ابتدا ولتاژ متناوب برق شهر مستقیماً یکسو و فیلتر می شود تا یک ولتاژ DC نسبتاً زیاد تولید شود. این ولتاژ به عنصر سوئیچینگ اعمال می شود تا موج مربعی فرکانس زیاد حاصله بعد از عبور از یک ترانس کاهنده و یکسو سازی ، ولتاژ dc مورد نیاز تولید کند. بدیهی است که با کنترل زمان قطع و وصل کلید می توان دامنه ولتاژ خروجی را بر روی یک مقدار مشخص تثبیت کرد . این عمل می تواند توسط واحد فیدبک و کنترل انجام گیرد که در شماتیک مداری فوق ترسیم نشده است.
فهرست مطالب:
چکیده
مقدمه
فصل اول
معرفی بخش های مختلف منبع تغذیة سوئیچینگ
فصل دوم
مبدل های قدرت سوئیچینگ
فصل سوم
ادوات قدرت سوئیچینگ
فصل چهارم
مدارهای راه انداز
فصل پنجم
شبیه سازی چند منبع تغذیة سوئیچینگ و تجزیه و تحلیل آنها
ضمیمه
...
فرمت فایل: DOC (ورد 2003) قابل ویرایش تعداد صفحات: 96
:: موضوعات مرتبط:
پروژه،
، :: برچسبها:
پروژه شبیه سازی منابع تغذیه سوئیچینگ ,
پروژه شبیه سازی منابع تغذیه,
منابع تغذیه سوئیچینگ ,
پروژه کارشناسی,
تجزیه و تحلیل منابع تغذیة سوئیچینگ,
مبدل های قدرت سوئیچینگ ,
شبیه سازی چند منبع تغذیة سوئیچینگ ,
,
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نویسنده : ziba
تاریخ : 
