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id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>六相繼電保護測試儀較傳統(tǒng)繼電保護試驗工具的優(yōu)勢</h1> <p class="source"><span>日期：2022-03-16</span><span>瀏覽：973次</span></p> <div> <p><strong><span style="font-size: 14px;">六相繼電保護測試儀較傳統(tǒng)繼電保護試驗工具的優(yōu)勢</span></strong><br/></p><p><span style="color: rgb(102, 102, 102); font-family: "Microsoft YaHei"; background-color: rgb(255, 255, 255);">以前的繼電保護試驗工具主要是用調(diào)壓器和移相器組合而成，體積笨重，精度不高，已不能滿足現(xiàn)代微機繼電保護的校驗工作。隨著科學(xué)技術(shù)的不斷發(fā)展，微機繼電保護已廣泛運用于線路保護，主變差動保護，勵磁控制等各個領(lǐng)域，變電站綜合自動化已成為主流。</span></p><div style="margin: 0px; padding: 0px; list-style: none; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei"; background-color: rgb(255, 255, 255);">　　六相繼電保護測試儀具有標(biāo)準(zhǔn)的六相電流，六相電壓同時輸出，電流30A/相，電壓125V/相。六相電流并聯(lián)可達180A。既可對傳統(tǒng)的各種繼電器及保護裝置進行試驗，也可對現(xiàn)代各種微機保護進行各種試驗，特別是對變壓器差動保護和備自投裝置，試驗更加方便。</div><div style="margin: 0px; padding: 0px; list-style: none; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei"; background-color: rgb(255, 255, 255);">　　<strong style="margin: 0px; padding: 0px; border: 0px;">六相繼電保護測試儀</strong>分為主回路和輔回路兩個回路，主回路采用大旋鈕調(diào)節(jié)，輔回路采用小旋鈕調(diào)節(jié)，主回路通過面板上“輸出選擇"按鍵開關(guān)控制其輸出的各種量，并且每切換一種輸出的同時，儀器上的數(shù)字電壓/電流表可自動監(jiān)視其輸出值。輔回路通過輸出開關(guān)控制直接調(diào)節(jié)輸出，測量可外附萬用表測量。</div><div style="margin: 0px; padding: 0px; list-style: none; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei"; background-color: rgb(255, 255, 255);">　　1、主回路原理：輸入的AC220V電源經(jīng)保險通過輸出控制繼電器K1進入雙碳刷調(diào)壓器T1輸入端，通過T1大旋鈕調(diào)節(jié)的電量進入隔離變壓器T2（兼職升流器），升流器分三個抽頭輸出，一個抽頭為AC0-250V輸出，額定電流為3A；該抽頭輸出電壓經(jīng)整流濾波后可輸出0-350V直流電壓；第二個抽為15V（10A），該抽頭一路經(jīng)傳感器通過繼電器控制輸出0-10A交流電流，一路經(jīng)電阻輸出0-500mA交流電流，一路經(jīng)繼電器轉(zhuǎn)換可輸出0-10A或0-500mA直流電流；第二個抽頭為10V（100A）大電流端，該抽頭穿過傳感器一次側(cè)直接輸出100A電流，該回路帶負載能力較強，但輸出稍有過載，不能長時間處于大電流狀態(tài)下。</div><p style="margin: 0px; padding: 0px; list-style: none; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei"; background-color: rgb(255, 255, 255);">　　2、輔回路原理：繼電保護測試儀器輔回路與主回路一樣，AC220V電源經(jīng)保險進入雙碳刷調(diào)壓器T1小旋鈕調(diào)節(jié)的電壓量，通過隔離變壓器T4可直接調(diào)節(jié)輸出0-20V或0-250V交流電壓或0-350V直流電壓，此回路額定電流為1A。按下輔回路“輸出控制"開關(guān)，調(diào)節(jié)小旋鈕即可輸出。</p><p style="text-align: center"><img src="https://img72.chem17.com/9/20220316/637830156247435419220.jpg" style="width:800px;"/></p><p style="margin: 0px; padding: 0px; list-style: none; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft YaHei"; background-color: rgb(255, 255, 255);"><br/></p> <div id="iqaqewgi6e" class="clear"></div> </div> <div id="iqaqewgi6e" class="article"> <p>上一篇：<a href="/Article-2951268.html">防雷接地導(dǎo)通電阻測試儀的測量范圍</a></p> <p>下一篇：<a href="/Article-2950355.html">了解一下高壓無線核相儀的維護保養(yǎng)及使用注意事項吧</a></p> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="n-9"> <div id="iqaqewgi6e" class="c-right"> <div id="iqaqewgi6e" class="c-1 r-pro"> <div id="iqaqewgi6e" class="c-left"> <div 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管狀加熱器</a></li> </ul> </div> </li> <li><a href="/ParentList-1324449.html" onmouseover="showsubmenu('液壓鉗、繞纜剪總匯')" class="yj">液壓鉗、繞纜剪總匯</a> <div class="iqaqewgi6e" id="submenu_液壓鉗、繞纜剪總匯" style="display:none"> <ul> <li><a href="/SonList-1324457.html">> 液壓鉗（進口）</a></li> <li><a href="/SonList-1324456.html">> 充電式液壓線纜剪</a></li> <li><a href="/SonList-1324455.html">> 充電式液壓電纜鉗</a></li> <li><a href="/SonList-1324454.html">> 剝線鉗</a></li> <li><a href="/SonList-1324453.html">> 線纜剪</a></li> <li><a href="/SonList-1324452.html">> 液壓導(dǎo)線鉗</a></li> <li><a href="/SonList-1324451.html">> 壓接鉗</a></li> <li><a href="/SonList-1324450.html">> 液壓鉗</a></li> </ul> </div> </li> <li><a href="/ParentList-1324332.html" onmouseover="showsubmenu('繞組匝間沖擊耐電壓試驗儀')" class="yj">繞組匝間沖擊耐電壓試驗儀</a> <div class="iqaqewgi6e" id="submenu_繞組匝間沖擊耐電壓試驗儀" style="display:none"> <ul> <li><a href="/SonList-1324343.html">> 耐電壓試驗儀</a></li> </ul> </div> </li> <li><a href="/ParentList-1324322.html" onmouseover="showsubmenu('直流高壓發(fā)生器')" 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