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onmouseover="showsubmenu('隔離開關(guān)觸頭壓力測試儀')">隔離開關(guān)觸頭壓力測試儀</a> <div class="f0kbceeioz" id="submenu_隔離開關(guān)觸頭壓力測試儀" style="display:none"> <ul> <li id="f0kbceeioz" class="ej"><a href="/SonList-2479705.html" class="eja">隔離開關(guān)觸頭壓力測試儀</a></li> </ul> </div> </li> </ul> </div> </div></div> <div id="f0kbceeioz" class="inpage_right"> <div id="f0kbceeioz" class="mbx2"><a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 2020-10-09</div> <div id="f0kbceeioz" class="inpage_content"> <div id="f0kbceeioz" class="nr_main_box"> <h1 class="inside_rnewtil">三相繼電保護測試儀的工作原理</h1> <div id="f0kbceeioz" class="inside_rnewtime">點擊次數(shù)：849 更新更新時間：2020-10-09</div> <div id="f0kbceeioz" class="inside_rnewcon"><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">微機繼電保護已廣泛應(yīng)用于線路保護，主變差動保護，勵磁控制等領(lǐng)域。變電站自動化已經(jīng)成為主流。繼電保護測試儀是保證電力管理系統(tǒng)進行安全可靠運行的一種具有重要測試分析工具。</p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"><span style="border:0px; font:inherit; margin:0px; padding:0px; text-indent:2em"><span style="border:0px; font:inherit; margin:0px; padding:0px">繼電保護測試儀</span>（<span style="border:0px; font:inherit; margin:0px; padding:0px; text-indent:2em">三相繼電保護測試儀</span>）可分為兩種類型，一種是傳統(tǒng)的OCL放大器，體積大，約25公斤重量，體積相對較大，功率放大器在放大區(qū)工作時，很長一段時間時，容易破損，而窄的動態(tài)范圍，精度不高。另一種是采用一個開關(guān)控制電源，功放采用中國數(shù)字功放，體積小，重量輕，效率高，是繼電保護環(huán)境測試儀的發(fā)展研究方向。</span></p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">在總結(jié)國內(nèi)外同類產(chǎn)品優(yōu)缺點的基礎(chǔ)上，總結(jié)國內(nèi)外同類產(chǎn)品的優(yōu)缺點，廣泛聽取用戶意見，充分利用現(xiàn)代微電子技術(shù)和電力電子技術(shù)。采用流行的DSP和開關(guān)放大器技術(shù)。</p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 0em; text-align: center;"><img alt="" src="http://img72.chem17.com/9/20201009/637378273533490812710.jpg" style="width:800px" /></p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">三相繼電保護測試儀的工作原理：</p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">兩個繼電器測試設(shè)備的主電路和分電路的次級電路，采用大調(diào)節(jié)旋鈕主電路，小旋鈕調(diào)節(jié)次級回路，其輸出各種量的“輸出選擇”上的按鍵開關(guān)的主控制電路面板，并輸出同時的每個開關(guān)，在儀器/米的數(shù)字電壓自動監(jiān)控的輸出值。輔回路可以通過網(wǎng)絡(luò)輸出開關(guān)控制系統(tǒng)直接調(diào)節(jié)輸出，測量可外附萬用表測量。</p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">1）繼電保護測試儀器主回路原理</p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;"> </p><p style="margin: 2px 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">通過經(jīng)由碳刷安全繼電器K1到雙輸入電壓調(diào)節(jié)器T1 AC220V電源輸入輸出控制，T1大旋鈕由功率調(diào)節(jié)成變壓器T2，三個或轉(zhuǎn)換器的抽頭輸出，輸出抽頭AC0-250V隔離，額定電流。圖3A;抽頭輸出經(jīng)濾波的輸出整流電壓0-350V DC電壓;通過電阻0-500mA交流電流輸出15V（10A），一路穿過，一路的傳感器的繼電器控制輸出抽頭0-10A AC電流的第二吸入，通過繼電器輸出一路可改裝0-10A 0-500mA或直流電;大電流的10V第二抽頭（100A）結(jié)束時，通過傳感器的初級側(cè)抽頭100A直流輸出，具有負(fù)載能力的電路，但輸出輕微過載，高電流狀態(tài)的時間不長。熱繼電器校驗儀</p></div> <div id="f0kbceeioz" class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a href="/Article-2403192.html">如何選擇合適的絕緣電阻測試儀？</a></b></p> <p id="newsnext">下一篇：<b class="newsnext"><a href="/Article-2395880.html">變壓器直流電阻測試儀使用方法</a></b></p> <span><a href="/article.html">返回列表>></a></span> </div> </div> </div> </div> </div>    <div class="f0kbceeioz" id="z_Footer"> <div id="f0kbceeioz" class="pz_down"> <div id="f0kbceeioz" class="w_1200"> <div id="f0kbceeioz" class="footT"> <div id="f0kbceeioz" class="footAddr"> <div id="f0kbceeioz" class="footTit">上?？档请姎饪萍加邢薰?/div> <div id="f0kbceeioz" class="dAddr"><img class="ico" src="/Skins/341989/images/icon_foot1.png">地址：上海市普陀區(qū)金通路1118弄6號</div> <div id="f0kbceeioz" class="dAddr"><img class="ico" 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