直流20 kV快速負(fù)荷開關(guān)設(shè)計(jì)及應(yīng)用
劉彬，呂瑋，石親民，黃德祥，馮亞東，劉國偉
(南京南瑞繼保電氣有限公司，江蘇 南京 211100)
摘 要： 介紹了電磁斥力機(jī)構(gòu)的工作原理及快速負(fù)荷開關(guān)的特點(diǎn)，給出了20 kV 快速負(fù)荷開關(guān)設(shè)計(jì)計(jì)算，基于已有電磁斥力機(jī)構(gòu)研制經(jīng)驗(yàn)，對各個(gè)關(guān)鍵設(shè)計(jì)參數(shù)進(jìn)行分析，提出直流20 kV 快速負(fù)荷開關(guān)的關(guān)鍵點(diǎn)并成功實(shí)施，為更高電壓等級(jí)快速負(fù)荷開關(guān)的設(shè)計(jì)制造提出了解決思路。
關(guān)鍵詞： 快速操作；快速負(fù)荷開關(guān)；電磁斥力；絕緣結(jié)構(gòu)；機(jī)械壽命
中圖分類號(hào)：TM564.2 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2014)09-0042-04
Design and Application of DC 20 kV Fast Load Switch
LIU Bin, LV Wei, SHI Qin-min, HUANG De-xiang, FENG Ya-dong, LIU Guo-wei
（Nari-Relays Electric Co., Ltd, Nanjing 2111 00, China）
Abstract: Introduction was made to the working principle of electromagnetic force machine and the characteristics of fast load switch.This paper gave the design calculation of 20 kV fast load switch. On the basis of drawing on the existing development experience of electromagnetic force machine, each key design parameter was analyzed and the key point of 20 kV fast load switch was raised and successfully put in practice. This paper raised solution idea to manufacture the higher voltage grade fast load switch.
Key words: fast operation; fast load switch; electromagnetic force; insulation structure; mechanical life
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