Turbo-Generator Upgrading by Unequal Cross Section Stator Coils
Publish place: The 31st annual conference between Iran Mechanical Engineering and the 9th Iran Power Plant Industry Conference
Publish Year: 1402
نوع سند: مقاله کنفرانسی
زبان: English
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استخراج به نرم افزارهای پژوهشی:
شناسه ملی سند علمی:
ISME31_493
تاریخ نمایه سازی: 10 خرداد 1402
Abstract:
The turbo generators are fundamental power units inelectric power systems. So, improvements of selecteddesigning of large turbo generators, which enable toupgrade their nominal power to rise their operationalefficiency, reliability, safety and extending their lifetimeis an important subject. Applying varioustechnologies like lowering mechanical loss as well asequalizing temperature and electrical loss reduction,more efficient turbo-generators are achieved. Differentstructures of stator bars including stator coil withtransposition in the slot/end portion, and stator windingwith strand to strand end connection have a great effecton circulating current loss, but end length limitationsand manufacturing complexity limits applying thesestructures. Stator coil structure with unequal crosssection of stator bars is presented in this paper as aneffective method for stray-load loss reduction in turbogenerators.
Keywords:
Authors
Maedeh Sadat Mirazimi
Mapna Generator Co.;
Farshad Kiani
Mapna Generator Co;