عناصر شبکه‌های برق
تعداد صفحات: 46 قالب بندی: ورد
فهرست مطالب
عنوان صفحه
مقدمه
* فصل اول
آشنایی با ابررساناها و کاربرد آن‌ها در ژنراتورها و موتورهای الکتریکی
ابر رسانایی.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 2
کاربردهای ابر رسانه ............................................................................................................................................................................................................................................................................................................................................................................................................. 4
SMESچیست....................................................................................................................................................................................................................................................................................................................................................................................................................................... 5
اولین سیستم SMES .................................................................................................................................................................................................................................................................................................................................................................................................... 6
SMES و مدل‌سازی آن .......................................................................................................................................................................................................................................................................................................................................................................... 7
چگونگی انجام کار ابر رسانایی ........................................................................................................................................................................................................................................................................................................................................... 9
ابر رساناها و ژنراتورهای هیدرودینامیک مغناطیسی ............................................................................................................................................................................................................... 10
کاربرد ابر رسانا در محدود سازهای جریان خطا.......................................................................................................................................................................................................................................... 12
کاربرد ابر رسانا در ذخیره‌سازهای مغناطیسی...................................................................................................................................................................................................................................................... 14
کاربرد ابر رسانا در موتورها و ژنراتورها......................................................................................................................................................................................................................................................................................... 17
کاربرد ابر رسانا درترانسفورماتورها.................................................................................................................................................................................................................................................................................................................... 18
* فصل دوم
آشنایی با گاورنر و اینورتورها
ویژگی گاورنر ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 19
محدوده فشار خروجی گاورنرها .............................................................................................................................................................................................................................................................................................................................. 20
سیستم کنترل توربین‌های گازیEGATROL ................................................................................................................................................................................................................................. 22
انواعASD ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... 24
سیستم‌هایASDجهت کنترل سرعت موتورهای القایی ................................................................................................................................................................................. 25
ASDاز نوع ولتاژ متغییر و فرکانس ثابت ................................................................................................................................................................................................................................................................... 27
ASDاز نوع ولتاژ و فرکانس متغییر....................................................................................................................................................................................................................................................................................................... 29
* فصل سوم
آشنایی با ژنراتورهای سنکرون
مولدهای همزمانی سنکرون ............................................................................................................................................................................................................................................................................................................................................................ 31
اندازه‌گیری پارامترهای مدل مولد همزمان ...................................................................................................................................................................................................................................................................... 35
آزمون مدار باز ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 35
تعیین راکتانس همزمان ...................................................................................................................................................................................................................................................................................................................................................................................... 37
اثر تغییرات باربر کار مولد همزمان .................................................................................................................................................................................................................................................................................................................. 38
شرایط لازم موازی کردن مولدها .......................................................................................................................................................................................................................................................................................................................... 41
روش کلی موازی کردن مولدها ................................................................................................................................................................................................................................................................................................................................ 42
مشخصه‌های بسامد- توان مولد همزمان ...................................................................................................................................................................................................................................................................................... 43
مقادیر نامی مولد همزمان .......................................................................................................................................................................................................................................................................................................................................................................... 44
توان ظاهری و ضریب توان نامی ............................................................................................................................................................................................................................................................................................................................... 45
کار کوتاه مدت و ضریب سرویس ................................................................................................................................................................................................................................................................................................................ 46
