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href="/article.html">技術(shù)文章</a> > 高壓開關(guān)機(jī)械特性的測試和測試方法及必要性</div> <div id="ihno5c4uhq" class="inpage_content"> <div id="ihno5c4uhq" class="nr_main_box"> <h1 class="inside_rnewtil">高壓開關(guān)機(jī)械特性的測試和測試方法及必要性</h1> <div id="ihno5c4uhq" class="inside_rnewtime">點擊次數(shù)：885 更新時間：2022-07-27</div> <div id="ihno5c4uhq" class="inside_rnewcon"><p><strong>高壓開關(guān)機(jī)械特性的測試和測試方法及必要性</strong></p><p><span style="background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: Arial, "Microsoft YaHei", 黑體, sans-serif, Tahoma; font-size: 15px; text-align: justify;">只有保證合適的分合速度，高壓開關(guān)才能充分發(fā)揮其分?jǐn)嚯娏鞯哪芰?，減少合閘過程中因預(yù)擊穿引起的觸點電氣磨損，避免觸點燒毀、噴油。甚至聯(lián)系。發(fā)生爆炸。以及剛合閘速度的降低，如果合閘發(fā)生短路故障，由于阻礙觸頭合閘電力的作用，觸頭會振動或處于停滯狀態(tài)，也容易引起爆炸。尤其是當(dāng)自動重合閘不成功時更是如此。反之，如果轉(zhuǎn)速過高，運動機(jī)構(gòu)會受到過大的機(jī)械應(yīng)力，導(dǎo)致個別部件損壞或使用壽命縮短。同時，由于強(qiáng)烈的機(jī)械沖擊和振動，觸點彈跳時間會延長。真空斷路器和 SF6 斷路器的情況類似。</span><br/></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: 23px; 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);"><br/></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: 23px; 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);">　　<span style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; box-sizing: border-box;">高壓開關(guān)</span>在不同時期分合閘嚴(yán)重不同，會造成線路或變壓器的局部接通或斷開，從而產(chǎn)生危及絕緣的過電壓。高壓開關(guān)機(jī)械特性的某些方面以觸點動作時間和動作速度作為特征參數(shù)來表示。在機(jī)械特性測試中，最重要的一般是剛開速度、剛關(guān)速度、最大開速度、開時間。合閘時間、合礦時間、開合時間及開合同步等。</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: 23px; 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);"><br/></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: 23px; 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);">　　一、時間參數(shù)的定義</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: 23px; 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);"><br/></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: 23px; 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);">　　1、分(合)閘時間：分(合)閘線圈上電作為計時起點，到動、靜觸頭剛分(合)的時間。</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: 23px; 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);"><br/></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: 23px; 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);">　　2、同相同期：同相之中，分(合)閘時間最大與最小之差。</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: 23px; 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);"><br/></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: 23px; 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);">　　3、相間同期：三相之中，分(合)閘時間最大與最小之差。</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: 23px; 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);"><br/></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: 23px; 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);">　　4、平均速度: 分(合)閘過程中，動觸頭總行程的前、后各去掉10%，取中間80%，動觸頭運動的行程與時間之比。</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: 23px; 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);"><br/></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: 23px; 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);">　　5、最大速度：分（合）閘過程中，動觸頭開始運動后，取動觸頭運動每10ms為一個計速單位，直至動觸頭運動停止，得到若干個速度單元值，其中最大的單元速度值即為分（合）閘最大速度。</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: 23px; 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);"><br/></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: 23px; 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);">　　6、剛分（合）速度：根據(jù)被測開關(guān)的制造廠不同，開關(guān)型號不同，各制造廠定義了不同的剛分、剛合速度，本測試儀將各種不同的定義部分列入其中，供用戶自己選擇。</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: 23px; 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);"><br/></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: 23px; 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);">　　二、速度參數(shù)定義</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: 23px; 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);"><br/></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: 23px; 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);">　　1. 接觸剛分速度</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: 23px; 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);"><br/></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: 23px; 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);">　　它是指開關(guān)在分閘過程中動觸頭和靜觸頭分離瞬間的移動速度。技術(shù)條件未規(guī)定時，國標(biāo)建議以第一分鐘后0.01s內(nèi)的平均速度為第一分鐘瞬時速度，以標(biāo)稱超行程計算點為第一分鐘計算點。</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: 23px; 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);"><br/></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: 23px; 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);">　　2. 觸點剛合閘速度</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: 23px; 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);"><br/></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: 23px; 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);">　　指合閘過程中動觸頭與靜觸頭接觸瞬間的開關(guān)動作速度。當(dāng)技術(shù)條件沒有規(guī)定時，國標(biāo)一般建議以剛合閘前0.01s內(nèi)的平均速度作為剛合閘點的瞬時速度，以公稱超行程計算點作為剛合閘計算點。</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: 23px; 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);"><br/></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: 23px; 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);">　　3. 最大開啟速度</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: 23px; 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);"><br/></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: 23px; 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);">　　指開關(guān)分閘過程中段平均速度的最大值，但段的長度應(yīng)根據(jù)技術(shù)條件規(guī)定。</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: 23px; 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);"><br/></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: 23px; 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);">　　斷路器的速度參數(shù)用其分合閘速度表示。由于斷路器在動作過程中每個時刻的速度都不一樣，所以一般關(guān)心的是剛分閘速度、剛合閘速度和最大速度。</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: 23px; 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);"><br/></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: 23px; 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);">　　三、斷路器時間參數(shù)的測量方法</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: 23px; 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);"><br/></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: 23px; 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);">　　在斷路器的現(xiàn)場試驗中，一般應(yīng)進(jìn)行分閘時間、合閘時間、分合閘同步性的測量。對于具有重合閘操作的斷路器，還需要測量分合閘時間和分合分?jǐn)鄷r間。</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: 23px; 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);"><br/></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: 23px; 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);">　　用高壓開關(guān)機(jī)械特性測試儀測量。具有智能化、功能多、數(shù)據(jù)準(zhǔn)確、抗干擾性強(qiáng)、操作簡單、體積小、重量輕、外形美觀等優(yōu)點。主要測試項目及功能：12路斷口固有開合時間；重合時間；（真空開關(guān)，預(yù)置開關(guān)行程）；打開和關(guān)閉的平均速度</p></div> <div id="ihno5c4uhq" class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a 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