Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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開(kāi)關(guān)設(shè)備主回路導(dǎo)電部件鍍層要求的差異及探討

來(lái)源:電工電氣發(fā)布時(shí)間:2023-07-27 10:27 瀏覽次數(shù):311

開(kāi)關(guān)設(shè)備主回路導(dǎo)電部件鍍層要求的差異及探討

李玲
(庫(kù)柏(寧波)電氣有限公司,浙江 寧波 315336)
 
    摘 要:電力行業(yè)用戶在訂貨規(guī)范中或產(chǎn)品驗(yàn)收、監(jiān)督抽檢時(shí)有一些關(guān)于開(kāi)關(guān)設(shè)備主回路導(dǎo)電部件的鍍銀要求,但在執(zhí)行過(guò)程中往往會(huì)產(chǎn)生理解上的歧議。通過(guò) IEC、國(guó)家標(biāo)準(zhǔn)及電力行業(yè)標(biāo)準(zhǔn)的規(guī)定,分析其導(dǎo)電回路鍍銀的要求、原理和目的,并針對(duì)用戶對(duì)空氣絕緣的高壓開(kāi)關(guān)柜隔離觸頭及其母排搭接鍍銀這一要求的差異進(jìn)行比較,提出了保證產(chǎn)品性能最為合理的鍍層推薦值。
    關(guān)鍵詞: 鍍銀厚度;觸頭表面;動(dòng)靜接觸面;導(dǎo)電回路;戶內(nèi)戶外開(kāi)關(guān)設(shè)備
    中圖分類號(hào):TM591     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2023)07-0066-05
 
Difference and Discussion on Coating Requirements of Conductive
Components in the Main Circuit of Switching Equipments
 
LI Ling
(Cooper(Ningbo)Electric Co., Ltd, Ningbo 315336, China)
 
    Abstract: Users in power industry have some silver plating requirements for conductive components of the main circuit of switching equipments during the process of goods ordering, product acceptance, supervision and sampling inspection, but misunderstandings always exist in the implementation. Based on the provisions of IEC, national standards and power industry standards, the paper first analyzes the requirements, principles and purposes of silver plating for conductive loops. Then, after comparing the differences of silver plating requirements of the air-insulated high-voltage switchgear isolator and its busbar lapping, the recommended value of coating to ensure the most reasonable product performance is proposed.
    Key words: silver plating thickness; contact surface; dynamic and static contact surface; conductive loop; indoor and outdoor switching equipment
 
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