کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4926578 | 1431601 | 2017 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Variable AC transmission frequencies for offshore wind farm interconnection
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
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چکیده انگلیسی
Non-standard AC transmission frequencies have been suggested in literature as a potential competitor to VSC-HVDC transmission for offshore wind farms integration (>100Â km). Transmitting at lower than standard 50/60Â Hz frequency provides the advantage of longer transmissible range for bulk AC power transfer and potentially lower losses in associated wind farm components. A higher than nominal frequency reduces the size of the required transformers and offshore platforms, potentially reducing cost substantially. This paper examines the selection of non-standard AC transmission frequencies from 1 to 100Â Hz presenting a techno-economic analysis and methodology for comparing AC to standard benchmark VSC-HVDC technology in terms of power loss, size/volume of components, CAPEX and operation/maintenance metrics. It is shown at frequencies lower than 20Â Hz, cost of energy is comparable to standard VSC-HVDC; due in part to lower number of cables required to carry full load power and the removal of the offshore VSC-HVDC converter station. The key contribution of this work is exploring the potential extended range of transmission capability for non-conventional AC frequency approaches that display comparable power loss and CAPEX/OPEX to VSC-HVDC based transmission for offshore wind integration.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Renewable Energy - Volume 103, April 2017, Pages 321-332
Journal: Renewable Energy - Volume 103, April 2017, Pages 321-332
نویسندگان
Ronan Meere, Jonathan Ruddy, Paul McNamara, Terence O'Donnell,