مروری بر افزودن نانومواد برای رفع مشکلات پوشش های پلیمری لاستیک سیلیکون اعمالی بر مقره های خطوط فشار قوی صنعت برق

نوع مقاله : تالیفی

نویسندگان

1 دانشگاه علم و صنعت ایران

2 پژوهشگاه استاندارد

چکیده

در پست های فشار قوی برق مستقر در مجاورت کارخانه های صنعتی و مناطق با شرایط آب و هوایی ساحلی، آلودگی مقره به شدت بر قابلیت اطمینان شبکه انتقال اثر می گذارد. به دلیل اهمیت بسیار زیاد مقره در زمینه انتقال برق، نیاز به افزایش قابلیت اطمینان این تجهیزات با بهره گیری از روش های مختلف وجود دارد. روش های رایج شامل شست و شوی دوره ای و روغنکاری و استفاده از پوشش های پلیمری لاستیک سیلیکون ولکانیده در دمای محیط (RTV) است. در این میان، پوشش های  پلیمری به دلیل عملکرد بسیار خوب در شرایط محیطی آلوده، مقاومت دربرابر عوامل جوی و ذرات معلق و همچنین طولانی تر کردن عمر و کاهش هزینه تعمیر و تعویض مقره ها به عنوان روش کارآمدی در دنیا مطرح شده اند. در سال های اخیر، گزارش های متعددی درباره استفاده از علم و فناوری نانو به منظور بهبود خواص مقره ها ارائه شده است. امروزه استفاده از نانوپوشش های برپایه RTV در بسیاری از کشورها موضوعی متداول بوده و بازدهی مناسبی به همراه داشته است. از این رو، امکان سنجی، بهینه سازی و انتخاب پوشش مناسب برای اعمال روی مقره های نصب شده در مناطق مختلف کشور متناسب با وضعیت آب و هوایی مختص آن منطقه ضروری به نظر می رسد. در این مقاله، راهکار افزودن نانومواد برای رفع مشکلات پوشش های پلیمری لاستیک سیلیکون اعمال شده بر مقره های خطوط فشار قوی استفاده شده در صنعت برق مرور شده است. رایج ترین نانوذرات استفاده شده برای بهبود خواص پوشش ها، نقش این پرکننده ها در اصلاح خواص پوشش و چالش های موجود در توزیع یکنواخت نانوذرات در ماتریس پلیمری نیز بررسی شده است.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

An Overview of the Addition of Nanomaterials to Solve the Problems of Silicone Rubber Polymer Coatings Applied to the Insulators of High-Voltage Power Lines in the Electrical Industry

نویسندگان [English]

  • Hamidreza Koohdar 1
  • Nasim NayebPashaee 2
1 Iran University of Science and Technology (IUST)
2 Standard Research Institue
چکیده [English]

For high-voltage transmission lines near industrial plants and in areas with coastal weather conditions, insulation contamination strongly affects the reliability of the transmission network. Due to the great importance of insulation in power transmission, it is necessary to increase the reliability of these equipment through various methods. Common
methods include regular washing and lubrication and use of room temperature vulcanized (RTV) silicone rubber polymer coatings. In the meantime, application of polymer coatings perform have been proposed as an efficient method worldwide, due to their very good performance in polluted environmental, resistant to weathering and suspended particles, as well as prolonging the life and reducing the cost of repairing and replacing insulators. In recent years, several reports have been published on the use of nanotechnology to improve the properties of insulators. Today, the use of RTV-based nanocoatings is common in many countries and has brought good results. Therefore, it seems necessary to assess the feasibility, optimization and selection of the appropriate coating to be applied on the insulators installed in different regions of the country are appropriate according to the specific weather conditions of that region. In this article, the solution of adding nanomaterials to solve the problems of silicone rubber polymer coatings applied on high-pressure insulators in the electrical industry is reviewed. The most common nanoparticles used to improve the properties of the coatings, the role of this filler in improving the properties of the coating, and the existing challenges in the uniform distribution of nanoparticles in the polymer matrix are also explained.

کلیدواژه‌ها [English]

  • self-cleaning polymer nano coating
  • super-hydrophobic: insulation
  • silicone rubber
  • increasing lifespan

مراجع

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