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<p align="center" style="margin-right:14px; text-align:center"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:16.0000pt"><span style="line-height:150%">一種12kV環(huán)保氣體絕緣環(huán)網(wǎng)柜的研制</span></span></span></span></span></span></p> <p style="text-align:left"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">摘要</span></span></strong><strong><span style="font-size:12.0000pt"><span style="line-height:150%">：</span></span></strong><span style="font-size:10.5000pt"><span style="color:#000000">針對SF6氣體絕緣環(huán)網(wǎng)柜存在的溫室</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">效應問題，開發(fā)出一種12kV環(huán)保氣體絕緣環(huán)網(wǎng)柜。該環(huán)網(wǎng)柜</span></span><span style="font-size:10.5000pt"><span style="color:#000000">以干凈氮氣絕緣</span></span><span style="font-size:10.5000pt"><span style="color:#000000">，融合真空開斷技術(shù)</span></span><span style="font-size:10.5000pt"><span style="color:#000000">，</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">通過采取復合絕緣，加裝、增加傘裙等措施解決絕緣設計關(guān)鍵問題，新設計的環(huán)網(wǎng)柜通過型式試驗驗證。該產(chǎn)品保持了環(huán)網(wǎng)柜體積小的特點，兼顧了環(huán)保性能，符合智能電網(wǎng)節(jié)能減排建設要求。</span></span></span></span></span></span></p> <p style="text-align:left"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">關(guān)鍵詞</span></span></strong><strong><span style="font-size:12.0000pt"><span style="line-height:150%">：</span></span></strong><span style="font-size:10.5000pt"><span style="line-height:150%">氮氣絕緣；環(huán)網(wǎng)柜；</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">絕緣</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">性能；試驗驗證</span></span></span></span></span></span></p> <p align="center" style="text-align:center"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:15.0000pt"><span style="line-height:150%">Development of a 12kV environment-protection gas-insulated ring main unit</span></span></span></span></span></span></p> <p align="center" style="text-align:center"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">Wang Yulong，Kong Xiangchong，Peng Fengjuan，Yang Kun</span></span></span></span></span></span></p> <p align="center" style="text-align:center"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="color:#000000">（1.QingdaoYihe Electric Group Co., Ltd., Qingdao 266510,China；2.Electrical research institute of Huangdao District, Qingdao，266510，China）</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%"><span style="color:#000000">Abstract:</span></span></span></strong><strong>&nbsp;</strong><span style="font-size:10.5000pt"><span style="line-height:150%">In view of the greenhouse effect problem of SF6 gas-insulated ring main unit, a 12kV environment-protection gas-insulated ring main unit is developed. </span></span><span style="font-size:10.5000pt"><span style="line-height:150%">The ring main unit is insulated with clean nitrogen and integrated with vacuum breaking technology. The key problems of insulation design are solved by adopting composite insulation, adding umbrella skirt and other measures. The newly designed ring main unit has passed the type test verification.</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">&nbsp;The product maintains the characteristics size of the ring main unit, takes into account the environmental protection performance, and meets the requirements of energy saving and emission reduction construction of smart grid.</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">Key words: </span></span></strong><span style="font-size:10.5000pt"><span style="line-height:150%">nitrogen insulation; ring main unit; insulating performance; verification</span></span></span></span></span></span></p> <p style="text-align:left">&nbsp;</p> <p style="text-align:left"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">引言</span></span></strong></span></span></span></span></p> <p style="text-align:left; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="color:#000000">節(jié)能減排、新能源是低碳經(jīng)濟的要義，也是</span></span><span style="font-size:10.5000pt"><span style="color:#000000">當前</span></span><span style="font-size:10.5000pt"><span style="color:#000000">智能電網(wǎng)</span></span><span style="font-size:10.5000pt"><span style="color:#000000">發(fā)展</span></span><span style="font-size:10.5000pt"><span style="color:#000000">要</span></span><span style="font-size:10.5000pt"><span style="color:#000000">求。SF6氣體絕緣環(huán)網(wǎng)柜性能優(yōu)越，成本較低，在二次配電和環(huán)網(wǎng)供電系統(tǒng)中得到廣泛的應用，但在《京都議定書》中，</span></span><span style="font-size:10.5000pt"><span style="color:#000000">SF6</span></span><span style="font-size:10.5000pt"><span style="color:#000000">氣體是受到限制的溫室氣體</span></span>^{<span style="font-size:10.5000pt"><span style="vertical-align:super">[</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">1</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">]</span></span>}<span style="font-size:10.5000pt"><span style="color:#000000">，一些國家和地區(qū)對溫室氣體的使用提出了控制措施，減少或去除SF6氣體使用是當前12kV環(huán)網(wǎng)柜產(chǎn)品發(fā)展趨勢</span></span>^{<span style="font-size:10.5000pt"><span style="vertical-align:super">[</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">2</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">]</span></span>}<span style="font-size:10.5000pt"><span style="color:#000000">。該項目即針對SF6氣體絕緣環(huán)網(wǎng)柜存在的溫室效應問題開展研究，采用干燥氮氣</span></span><span style="font-size:10.5000pt">絕緣介質(zhì)+真空滅弧技術(shù)</span><span style="font-size:10.5000pt"><span style="color:#000000">替代</span></span><span style="font-size:10.5000pt"><span style="color:#000000">SF6</span></span><span style="font-size:10.5000pt"><span style="color:#000000">的應用，同時考慮了開關(guān)設備的安全性、可靠性和運行連續(xù)性等電氣性能，研制出一種12kV環(huán)保氣體絕緣環(huán)網(wǎng)柜，本文對該環(huán)網(wǎng)柜做一概要介紹。</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">1 整體結(jié)構(gòu)及主要額定技術(shù)參數(shù)</span></span></strong></span></span></span></span></p> <p style="text-align:left; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="color:#000000">基于SF6充氣環(huán)網(wǎng)柜的結(jié)構(gòu)基礎，以干凈氮氣替代SF6氣體絕緣</span></span>^{<span style="font-size:10.5000pt"><span style="vertical-align:super">[</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">3</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">]</span></span>}<span style="font-size:10.5000pt"><span style="color:#000000">，融合真空開斷技術(shù)</span></span><span style="font-size:10.5000pt"><span style="color:#000000">，對斷路器、負荷開關(guān)、三工位開關(guān)等主要零部件進行了設計創(chuàng)新，研制出一種12kV環(huán)保氣體環(huán)網(wǎng)柜，產(chǎn)品整體結(jié)構(gòu)與SF6環(huán)網(wǎng)柜產(chǎn)品類似，主要</span></span><span style="font-size:10.5000pt"><span style="color:#000000">由柜體和</span></span><span style="font-size:10.5000pt"><span style="color:#000000">充氣箱體</span></span><span style="font-size:10.5000pt"><span style="color:#000000">兩大部分組成</span></span><span style="font-size:10.5000pt"><span style="color:#000000">，模塊化設計，主要功能單元由斷路器/負荷</span></span><span style="font-size:10.5000pt"><span style="color:#000000">開關(guān)</span></span><span style="font-size:10.5000pt"><span style="color:#000000">室、操作機構(gòu)室、電纜室、低壓室</span></span><span style="font-size:10.5000pt"><span style="color:#000000">及</span></span><span style="font-size:10.5000pt"><span style="color:#000000">泄壓通道組成，可形成一到五單元的標準柜型及擴展柜型，基本柜型有斷路器柜、負荷開關(guān)柜柜型，擴展柜型有PT、計量、分段、兩進一出等，分為獨立單元型和單元共箱型，產(chǎn)品結(jié)構(gòu)示意如圖1、圖2所示。</span></span></span></span></span></span></p> <div><span style="font-family:SimSun"><img alt="" src="http://www.zjmyst.com/upload/77/4eae9ff8d3fa384a8e3cc00056a481.png" style="border:0;max-width:100%;" /></span></div> <p style="text-align:justify; text-indent:92.0500pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span></span></p> <div><span style="font-family:SimSun"><img alt="" src="http://www.zjmyst.com/upload/e0/415c6a89dd98320677ba3b6315e52d.png" style="border:0;max-width:100%;" /></span></div> <p style="text-align:justify; text-indent:89.2500pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="color:#000000">圖1 斷路器柜結(jié)構(gòu)示意圖 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;圖2 兩進一出方案結(jié)構(gòu)示意圖</span></span></span></span></span></span></p> <p style="text-align:left"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">2 主要技術(shù)設計</span></span></strong></span></span></span></span></p> <p style="text-align:justify; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">本產(chǎn)品整體性能的實現(xiàn)，主要是結(jié)合產(chǎn)品要實現(xiàn)的技術(shù)要求，依據(jù)GB/T 3906、DL/T 404等相關(guān)設計標準，在SF6充氣環(huán)網(wǎng)柜的基礎上，在保證外形尺寸盡可能小的情況下，對充氣箱體內(nèi)部單元結(jié)構(gòu)進行設計，逐步解決各結(jié)構(gòu)單元絕緣、電連接、機械特性調(diào)試、充氣箱體配合生產(chǎn)線制造工藝設計等關(guān)鍵技術(shù)問題而展開設計</span></span>^{<span style="font-size:10.5000pt"><span style="vertical-align:super">[</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">4</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">] [</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">5</span></span>}^{<span style="font-size:10.5000pt"><span style="vertical-align:super">]</span></span>}<span style="font-size:10.5000pt"><span style="line-height:150%">。</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">2.1 母線及電纜出線部分結(jié)構(gòu)設計</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">&nbsp;&nbsp;&nbsp;&nbsp;母線部分結(jié)構(gòu)簡單，主要由主母線</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">排</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">、分支母線及母線絕緣子組成，主母排安裝結(jié)構(gòu)為橫向前后排列，相間距為150mm，新設計的母線絕緣子通過增加傘裙</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">增大</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">了</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">爬電距離</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">，來提高產(chǎn)品的絕緣性能。</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">2.2 斷路器（或負荷開關(guān)）單元結(jié)構(gòu)設計</span></span></span></span></span></span></p> <p style="text-align:justify; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">斷路器單元結(jié)構(gòu)設計的難點和重點，在于絕緣結(jié)構(gòu)設計，在斷路器的絕緣設計過程中進行了大量的試驗，從簡易斷路器到試驗樣機的正式成型，期間經(jīng)歷了多次大的改進，最終確定通過采取絕緣隔板等復合絕緣的方式來提高絕緣性能，并不斷調(diào)整絕緣板的位置、間距等多方面與箱體的配合，直至滿足絕緣性能要求，定型的斷路器結(jié)構(gòu)示意如圖3所示。新設計的絕緣護板</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">設</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">有</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">凸臺，利用凸臺將每相給隔離開來，同時利用凸臺優(yōu)化電場，加強了絕緣強度，防止相間及對地出現(xiàn)放電現(xiàn)象。</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">兩絕緣護板同時</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">設置U型凸起</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">，用來加強左右</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">絕緣護板</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">的強度，防止絕緣護板變形。由絕緣護板形成的整體</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">絕緣保護裝置</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">不僅起到</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">支撐作用，而且做到了每相的包覆，電</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">場</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">均勻，</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">提高了</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">相間及對地絕緣性能。</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">負荷開關(guān)單元與斷路器外形結(jié)構(gòu)相同，不同之處在于操作機構(gòu)和面板上的主接線模擬線不同。</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">2.3 三工位開關(guān)單元結(jié)構(gòu)設計</span></span></span></span></span></span></p> <p style="margin-right:2px; text-align:justify; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">三工位開關(guān)單元結(jié)構(gòu)的設計是在SF6產(chǎn)品結(jié)構(gòu)基礎上，通過增大觸頭間距，加長絕緣材料，加裝傘裙等方法解決支撐絕緣、沿面絕緣等問題，設計一種主軸與絕緣件一體式新型絕緣主軸，在絕緣</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">主軸且位于每個動觸頭安裝臂兩側(cè)分別</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">設計若干個傘裙</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">來增加爬電距離</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">，來提高其絕緣性能。三工位開關(guān)單元結(jié)構(gòu)示意如圖4所示。</span></span></span></span></span></span></p> <div><span style="font-family:SimSun"><img alt="" src="http://www.zjmyst.com/upload/59/15d0c583b57a990392e078a1dbba00.png" style="border:0;max-width:100%;" /></span></div> <p style="text-align:justify; text-indent:42.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times="">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span></span></p> <div><span style="font-family:SimSun"><img alt="" src="http://www.zjmyst.com/upload/32/49e27d17779f470fdd152d302d34be.png" style="border:0;max-width:100%;" /></span></div> <p style="text-align:justify; text-indent:57.7500pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">圖5 斷路器單元結(jié)構(gòu)示意圖 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;圖6 三工位開關(guān)單元結(jié)構(gòu)示意圖</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">2.4 電纜出線部分設計</span></span></span></span></span></span></p> <p style="text-align:justify; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">電纜出線部分結(jié)構(gòu)為橫向左右布置，相間距為150mm，為提高絕緣性能，合理設計出線絕緣子形狀，優(yōu)化內(nèi)部嵌件外形，將電位梯度分布盡量集中在固體絕緣材料中，增加傘裙數(shù)量加大了爬電距離，提高了絕緣性能。</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">2.5 操作機構(gòu)</span></span></span></span></span></span></p> <p class="15" style="text-indent:21.0000pt"><span style="font-family:SimSun"><span style="line-height:150%"><span style="font-size:10.5000pt"><span style="line-height:150%">斷路器、負荷開關(guān)及三工位開關(guān)均采用彈簧操作機構(gòu)，在機構(gòu)的設計過程中，盡可能使零部件少，傳動簡潔，為滿足與開關(guān)本體的匹配問題，包括分合閘速度、同期、觸頭壓力，動刀咬合位置等，通過不斷的改變分合閘簧，微調(diào)輸出角度的方法，經(jīng)過大量的試驗及模擬驗證而最終定型。</span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">2.6 充氣箱體</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">&nbsp;&nbsp;&nbsp;&nbsp;充氣箱體的設計主要需要考慮因素有：箱體大小，密封性能，配合我廠的生產(chǎn)流水線安裝方便。難點主要集中在斷路器的固定方式和機械特性測試傳感器的安裝位置。斷路器前面為箱體焊接螺栓固定，斷路器既要固定牢靠又要滿足傳動軸與機構(gòu)的同心度，這就對箱體焊接工藝和開孔尺寸提出了更高的要求。斷路器后端開始采用橫向固定，后來發(fā)現(xiàn)安裝難度大，單柜時因空間有限缺乏受力空間，后改為縱向固定，中間加裝托槽，省時省力安裝方便，提高安裝效率。箱體內(nèi)部通過采用絕緣隔板組成的新型絕緣保護裝置保持了與SF6環(huán)網(wǎng)柜同等的結(jié)構(gòu)緊湊小巧的外形尺寸。密封性能，通過合理設計密封槽，先進的機器人焊縫自動尋位、焊接生產(chǎn)線，同步抽真空氦檢漏，組裝生產(chǎn)線等先進制造工藝保證了產(chǎn)品質(zhì)量及相應的密封性。</span></span></span></span></span></span></p> <p style="text-align:left"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">3 試驗驗證</span></span></strong></span></span></span></span></p> <p style="text-align:justify; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">通過三維模擬裝配、電場模擬分析計算、反復的摸底試驗驗證，樣機結(jié)構(gòu)不斷優(yōu)化，性能逐步完善提高，研制成功的試驗樣機通過了絕緣、動熱、溫升、機械壽命、容量、內(nèi)部燃弧、外殼防護等級等型式試驗驗證，產(chǎn)品性能符合GB3906等有關(guān)標準要求。產(chǎn)品實現(xiàn)采用</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">干燥氮氣</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">+真空滅弧環(huán)保氣體絕緣技術(shù)保持了環(huán)網(wǎng)柜結(jié)構(gòu)緊湊，體積小巧的特點。</span></span>&nbsp;</span></span></span></span></p> <p style="text-align:left"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt"><span style="line-height:150%">4 結(jié)語</span></span></strong></span></span></span></span></p> <p style="text-align:justify; text-indent:21.0000pt"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">本文設計和試制成功的12kV環(huán)保氣體絕緣環(huán)網(wǎng)柜，</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">因干燥氮氣的絕緣能力遠遠小于SF6氣體，</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">要保持和SF6充氣柜同等的緊湊性和小巧的結(jié)構(gòu)優(yōu)勢，絕緣設計是該環(huán)網(wǎng)柜的研制重點和難點，相間通過增加絕緣隔板等復合絕緣技術(shù)的方法，來解決斷路器、負荷開關(guān)等結(jié)構(gòu)單元相間、對地等間隙絕緣的問題，通過增大觸頭間距，加長絕緣材料，加裝、增加傘裙等方法解決三工位開關(guān)、主母線等結(jié)構(gòu)單元支撐絕緣、沿面絕緣問題，經(jīng)型式試驗驗證，該絕緣結(jié)構(gòu)設計合理，同時解決箱體密封、主回路電連接、機械傳動及特性調(diào)試等技術(shù)問題，研制出的12kV環(huán)保氣體絕緣環(huán)網(wǎng)柜，在秉承環(huán)網(wǎng)柜體積小巧的同時，兼顧了環(huán)保性能，整體通過全套型式試驗項目驗證（包括內(nèi)部燃弧、外殼防護等級），該環(huán)網(wǎng)柜技術(shù)性能完全符合GB3906等有關(guān)標準要求，滿足當前市場需求。</span></span></span></span></span></span></p> <p align="center" style="text-align:center"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span new="" roman="" times=""><strong><span style="font-size:10.5000pt">參考文獻</span></strong></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">[1]</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">&nbsp;戴國權(quán)</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">.韓福亮.</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">12kV環(huán)保氣體絕緣環(huán)網(wǎng)柜的發(fā)展研究</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">[J].防衛(wèi)工程,</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">2018</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">（</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">5）</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">.</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">[</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">2</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">]</span></span>&nbsp;<span style="font-size:10.5000pt"><span style="line-height:150%">孫竹森.蘭劍.環(huán)保型金屬封閉開關(guān)設備的技術(shù)特點與發(fā)展趨勢[J].中國電業(yè), 2014, (6):53-56.</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">[</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">4</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">]</span></span>&nbsp;<span style="font-size:10.5000pt"><span style="line-height:150%">錢立驍.陳慎言. 12~24kV氮氣絕緣環(huán)網(wǎng)柜的研制[J].高電壓技術(shù), 2014, 40(12):3717-3724.</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span style="font-size:10.5pt"><span style="line-height:150%"><span new="" roman="" times=""><span style="font-size:10.5000pt"><span style="line-height:150%">[</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">3</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">]</span></span>&nbsp;<span style="font-size:10.5000pt"><span style="line-height:150%">賀鈞.黃志軍. 10k</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">V</span></span><span style="font-size:10.5000pt"><span style="line-height:150%">環(huán)保型氣體環(huán)網(wǎng)柜的絕緣問題[J].工程技術(shù), 2016(11): 231.</span></span></span></span></span></span></p> <p style="text-align:justify"><span style="font-family:SimSun"><span 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