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</div></div> <div id="nxnzvbt5" class="inpage_right"> <div id="nxnzvbt5" class="mbx2"><a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 直流高壓發(fā)生器如何接線【上?？档请姎狻?/div> <div id="nxnzvbt5" class="inpage_content"> <div id="nxnzvbt5" class="nr_main_box"> <h1 class="inside_rnewtil">直流高壓發(fā)生器如何接線【上?？档请姎狻?/h1> <div id="nxnzvbt5" class="inside_rnewtime">點(diǎn)擊次數(shù)：929 更新時間：2022-03-16</div> <div id="nxnzvbt5" class="inside_rnewcon"><p style="padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 24px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: center; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"><span style="color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: medium; background-color: rgb(255, 255, 255);">直流高壓發(fā)生器主要用于研究直流精電以及換流站設(shè)備和絕緣材料在直流高壓下的絕緣強(qiáng)度、直流愉電線路電暈和離子流及其效應(yīng)以及進(jìn)行交、直流電力設(shè)備的泄漏電流試驗。直流高壓發(fā)生器可以作為其他高壓試驗設(shè)備如沖擊電流發(fā)生器、振蕩回路等的電源，在做電力試驗的時候，應(yīng)用的非常廣泛，那么直流高壓發(fā)生器接線圖是怎樣的？今天小編給大家做詳細(xì)的解答。</span></span></p><p style="padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 24px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"> <img border="0" src="https://img72.chem17.com/9/20220316/637830221934521951713.jpg" alt="IMG_256" title="clip_image002.jpg" style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; box-sizing: border-box;"/></span></p><p style="padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">直流高壓發(fā)生器是提供高壓直流源的儀器，使用該儀器前必須先把儀器可靠接地。使用直流高壓發(fā)生器的工作人員,必須是具有“高壓試驗上崗證"的專業(yè)人員。使用直流高壓發(fā)生器請用戶必須按《電力安全工作規(guī)程》的規(guī)定，并在工作電源進(jìn)入試驗器前加裝兩個明顯斷開點(diǎn)。當(dāng)更換試品和接線時，應(yīng)先將兩個電源斷開點(diǎn)明顯斷開，同時現(xiàn)場必須保證至少有三個工作人員，這樣才能有效的保證使用人員的安全。</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">一般測量時，當(dāng)接好線后，先把聯(lián)接試品的線懸空，升到試驗電壓后讀取空試時的電暈和雜散電流I，然后接上試品升到試驗電壓讀取總電流，試品泄漏電流：注意：為控制箱數(shù)顯電流表讀數(shù)。當(dāng)需要精確測量被試品泄漏電流時，則應(yīng)在高壓側(cè)串入高壓微安表<span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: Arial, sans-serif; vertical-align: baseline; box-sizing: border-box;">,</span>如圖3.1所示。</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: center; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: Arial, sans-serif; vertical-align: baseline; box-sizing: border-box;"> </span><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 仿宋_GB2312; vertical-align: baseline; box-sizing: border-box; letter-spacing: 0px;"><img border="0" src="https://img72.chem17.com/9/20220316/637830221935925942352.jpg" alt="QQ截圖20150303095210" title="clip_image004.jpg" style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; box-sizing: border-box;"/></span></span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">圖3.1　微安表接入被試品CX高壓側(cè)接線圖</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">微安表必須有金屬屏蔽，應(yīng)采用屏蔽線與被試品聯(lián)接。高壓引線的屏蔽引出應(yīng)與儀表端的屏蔽緊密聯(lián)接。如果被試品表面有污穢，要排除被試品表面泄漏電流的影響，可在被試品高電位端用裸金屬軟線緊密繞幾圈后與高壓引線的屏蔽相聯(lián)接，如圖3.2所示。</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: center; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: Arial, sans-serif; vertical-align: baseline; box-sizing: border-box;"> </span><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 仿宋_GB2312; vertical-align: baseline; box-sizing: border-box;"><img border="0" src="https://img72.chem17.com/9/20220316/637830221937173934487.jpg" alt="QQ截圖20150303100443" title="clip_image006.jpg" style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; box-sizing: border-box;"/></span></span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">圖3.2　排除被試品Cx表面影響連接示意圖</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">對氧化鋅、磁吹避雷器等被試品接地端可拆開的情況下，也可采用在被試品的底部(地電位側(cè))串入電流表進(jìn)行測量的方式，如圖3.3所示。當(dāng)要排除被試品表面泄漏電流的影響，可用軟的裸銅線在試品地電位端繞上幾圈并與屏蔽線的屏蔽相聯(lián)接，如圖3.4所示。</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: center; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: Arial, sans-serif; vertical-align: baseline; box-sizing: border-box;"> </span><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 仿宋_GB2312; vertical-align: baseline; box-sizing: border-box; letter-spacing: 1px;"><img border="0" src="https://img72.chem17.com/9/20220316/637830221938577925217.jpg" alt="QQ截圖20150303101416" title="clip_image008.jpg" style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; box-sizing: border-box;"/></span></span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">圖3.3　微安表接入被試品Cx底部接線圖</span></p><p style="margin-top: 18px; margin-bottom: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: center; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: Arial, sans-serif; vertical-align: baseline; box-sizing: border-box;"> </span><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 仿宋_GB2312; vertical-align: baseline; box-sizing: border-box; letter-spacing: 1px;"><img border="0" src="https://img72.chem17.com/9/20220316/637830221940137915369.jpg" alt="QQ截圖20150303101655" title="clip_image010.jpg" style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; box-sizing: border-box;"/></span></span></p><p style="padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;">圖3.4　排除被試品Cx表面影響接線圖</span></p><p style="padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: baseline; box-sizing: border-box;"></span></p><p data-pid="hqiKYwYP" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: medium; white-space: normal; background-color: rgb(255, 255, 255);">⑴ 在做負(fù)載試驗前，將高壓屏蔽微安表安裝到倍壓筒上的高壓輸出端上，并將配套的專用高壓線分別接到微安表上和被試品上。<br/>⑵ 檢查儀器、放電棒、倍壓筒、試品聯(lián)接線、接地線是否正確，接地線聯(lián)接是否可靠，檢查高壓安全距離是否符合要求，方可開始進(jìn)行試品的高壓試驗。<br/>⑶ 直流高壓發(fā)生器檢查確認(rèn)儀器等無異常情況后，接通單相交流220V電源開關(guān)，此時綠燈亮，表示電源接通?？砷_始進(jìn)行試品的直流泄漏和直流耐壓試驗。<br/>⑷ 按紅色按鈕，則紅燈亮，表示高壓接通，待升高壓。<br/>⑸ 順時針方向平緩調(diào)節(jié)調(diào)壓電位器,輸出端即從零開始升壓。升壓速度以每秒3-5kV上升試驗電壓為宜。對于大電容試品升壓時則需要緩慢升壓，否則可能導(dǎo)致電壓過沖,還需監(jiān)視電流表充電電流不超過直流發(fā)生器的充電電流。當(dāng)升到所需的電壓或電流后，按規(guī)定時間記錄電流表及電壓表的讀數(shù)。<br/>⑹ 試驗完畢后，降壓，將調(diào)壓電位器回零后，隨后按綠色按鈕，切斷高壓并關(guān)閉電源開關(guān)。<br/>⑺ 試驗完畢后，應(yīng)用放電棒對試品進(jìn)行多次放電，放電后方可靠近試品和拆線工作。對小電容試品如氧化鋅避雷器、磁吹避雷器等緩緩調(diào)節(jié)調(diào)壓電位器升壓到所需的電壓(電流)值，然后從數(shù)顯表上讀出電壓(電流)數(shù)值。如需對氧化鋅避雷器進(jìn)行75%VDC-1mA的測量時，應(yīng)先升到電流到1000uA時電壓值停止(這時可記錄電壓、電流值)，然后按下黃色按鈕,電壓即降到原來的75%,并保持此狀態(tài)。此時可讀取微安表數(shù)值及電壓值。測量完畢后,調(diào)壓電位器逆時針回到零位,按下綠色按鈕,需再次升壓時按紅色按鈕即可。對大電容試品時，升壓應(yīng)更要緩慢，并需要監(jiān)視電流表充電電流不超過發(fā)生器的zui大充電電流，一定要放慢升壓速度,避免充電電流過大。試驗完畢后，將電壓調(diào)節(jié)電位器逆時針回到零位上，隨后按綠色按鈕，切斷高壓，此時先不要關(guān)閉電源，電壓表顯示還有電壓值，此為存電電壓，等電壓降到2000V左右,方可用放電棒進(jìn)行多次放電，確保安全。</p><p data-pid="mB9qPiE2" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: medium; white-space: normal; background-color: rgb(255, 255, 255);">(8)首先將其升高到所需電壓(電流)的95%，然后將其緩慢升高至所需電壓(電流)。然后從數(shù)字顯示器讀取電壓當(dāng)前值；</p><p style="padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: 32px; font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; vertical-align: baseline; box-sizing: border-box; color: rgb(51, 51, 51); text-align: justify; background-color: rgb(255, 255, 255); text-indent: 32px;"><span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 12px; line-height: inherit; font-family: 宋體, SimSun; vertical-align: 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