通用電壓互感器哪個牌子好貼心服務(wù) 杭州浩蘊自動化科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電容式電壓互感器（CVT）是由串聯(lián)電容器分壓，再經(jīng)電磁式互感器降壓和隔離，作為表計、繼電保護等的一種電壓互感器，電容式電壓互感器還可以將載波頻率耦合到輸電線用于長途通信、遠(yuǎn)方測量、選擇性的線路高頻保護、遙控、電傳打字等。因此和常規(guī)的電磁式電"><meta name="keywords" content="通用電壓互感器哪個牌子好,電壓互感器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-chuanganqisr_dycgq/">電壓傳感器</a>?通用電壓互感器哪個牌子好貼心服務(wù) 杭州浩蘊自動化科技供應(yīng)</p><div id="dgn7iue" class="leftbox clearfix"><h1>通用電壓互感器哪個牌子好貼心服務(wù) 杭州浩蘊自動化科技供應(yīng)</h1><div id="ptvxpmd" class="proBig"><div id="rvnfh3i" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091325820312/3530425.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pducebn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091325820312/3530425.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="aeucu3m" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>通用電壓互感器哪個牌子好,電壓互感器</p><p><span>***更新：</span>2020-10-10 17:06:19</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="22elif8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州浩蘊自動化科技有限公司</a></p><p><span>聯(lián)系人：</span>謝凱浩</p><p><span>郵箱: </span>1017004522@qq.com</p><p><span>電話: </span>13817446397</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0571-85385963</p><p><span>地址: </span>經(jīng)濟技術(shù)開發(fā)區(qū)18號大街795號1幢11層1109室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="r7fro7g" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qfxury2" class="box"><p><p> 電容式<strong>電壓互感器</strong>（CVT）是由串聯(lián)電容器分壓，再經(jīng)電磁式互感器降壓和隔離，作為表計、繼電保護等的一種電壓互感器，電容式電壓互感器還可以將載波頻率耦合到輸電線用于長途通信、遠(yuǎn)方測量、選擇性的線路高頻保護、遙控、電傳打字等。因此和常規(guī)的電磁式電壓互感器相比，電容式電壓互感器器除可防止因電壓互感器鐵芯飽和引起鐵磁諧振外，在經(jīng)濟和安全上還有很多優(yōu)越之處。 </p> <p> 電容式電壓互感器的簡介 </p> <p> 電力系統(tǒng)中除電弧爐、變頻器等傳統(tǒng)諧波源外，通用電壓互感器哪個牌子好，通用電壓互感器哪個牌子好，新能源接入，通用電壓互感器哪個牌子好、充電樁等非線性負(fù)荷都可能產(chǎn)生大量的諧波。為防止諧波對電網(wǎng)造成進一步的影響，對電網(wǎng)中諧波水平進行準(zhǔn)確地監(jiān)測和及時的治理是必要的環(huán)節(jié)，而正確地測量電網(wǎng)中諧波含量是監(jiān)測和治理的基礎(chǔ)。什么是電流互感器？與其他的開關(guān)有何區(qū)別,應(yīng)用于什么場合?通用電壓互感器哪個牌子好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="通用電壓互感器哪個牌子好,電壓互感器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091325820312/3530425.jpg"></div><p style="text-indent:25px"><p>3、電壓互感器的結(jié)構(gòu)（一）<p>（1）油浸式電壓互感器<p>電壓互感器的結(jié)構(gòu)由絕緣介質(zhì)種類劃分，油浸式電壓互感器結(jié)構(gòu)分為單極式和串極式。單極式的電壓互感器其一、二次繞組繞在共同的鐵芯上，絕緣不分級，靠磁耦合實現(xiàn)能量轉(zhuǎn)換。串極式電壓互感器由多個匝數(shù)相同的一次繞組裝在數(shù)量為繞組數(shù)一半的相同的鐵芯上，自上而下排列，接于高壓與地之間。<p>（2）SF6氣體絕緣電壓互感器<p>SF6氣體絕緣電壓互感器由外殼、絕緣套管、鐵芯、一、二次繞組以及安裝附件組成。一次繞組一般采用寶塔形層式繞組，并按分級方式繞制；二次繞組為層式繞組，緊靠鐵芯繞制，鐵芯通常采用單相雙柱疊片鐵芯。SF6絕緣電壓互感器可以與GIS配套，也可以作為**式氣體絕緣電壓互感器。電壓互感器訂購電子凸輪是什么？電流互感器是什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="通用電壓互感器哪個牌子好,電壓互感器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091327490234/2801547.jpg"></div><p> <strong>電壓互感器</strong>的主要類型（一） </p> <p> 1、按安裝地點可分為戶內(nèi)式和戶外式 </p> <p> 35kV及以下多制成戶內(nèi)式；35kV以上則制成戶外式。 </p> <p> 2、按相數(shù) </p> <p> 可分為單相和三相式35kV及以上不能制成三相式。 </p> <p> 3、按繞組數(shù)目 </p> <p> 可分為雙繞組和三繞組電壓互感器，三繞組電壓互感器除一次側(cè)和基本二次側(cè)外，還有一組輔助二次側(cè)，供接地保護用。 </p> <p> 4、按絕緣方式 </p> <p> 可分為干式、澆注式、油浸式和充氣式。 </p> <p> 干式電壓互感器結(jié)構(gòu)簡單、無著火和危險，但絕緣強度較低，只適用于6kV以下的戶內(nèi)式裝置；澆注式電壓互感器結(jié)構(gòu)緊湊、維護方便，適用于3kV～35kV戶內(nèi)式配電裝置；油浸式電壓互感器絕緣性能較好，可用于10kV以上的戶外式配電裝置；充氣式電壓互感器用于SF6全封閉電器中。 </p><p> <strong>電壓互感器</strong>的注意事項（二） </p> <p> 4．電壓互感器二次側(cè)不允許短路。由于電壓互感器內(nèi)阻抗很小，若二次回路短路時，會出現(xiàn)很大的電流，將損壞二次設(shè)備甚至危及人身安全。電壓互感器可以在二次側(cè)裝設(shè)熔斷器以保護其自身不因二次側(cè)短路而損壞。在可能的情況下，一次側(cè)也應(yīng)裝設(shè)熔斷器以保護高壓電網(wǎng)不因互感器高壓繞組或引線故障危及一次系統(tǒng)的安全。 </p> <p> 5．為了確保人在接觸測量儀表和繼電器時的安全，電壓互感器二次繞組必須有一點接地。因為接地后，當(dāng)一次和二次繞組間的絕緣損壞時，可以防止儀表和繼電器出現(xiàn)高電壓危及人身安全。 </p> <p> 6、電壓互感器副邊***不容許短路。杭州哪里買得到伊頓穆勒電流互感器?</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="通用電壓互感器哪個牌子好,電壓互感器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091324970703/8083129.jpg"></div><p> <strong>電壓互感器</strong>的鐵磁諧振 </p> <p> 磁鐵諧振的產(chǎn)生是在進行操作或系統(tǒng)發(fā)生故障時，由于鐵心飽和而引起的一種躍變過程，電網(wǎng)中發(fā)生的鐵磁諧振分為并聯(lián)鐵磁諧振和串聯(lián)鐵磁諧振。 </p> <p> 主要特點（一） </p> <p> 1）對于鐵磁諧振電路，在相同的電源電勢作用下回路可能不只一種穩(wěn)定的工作狀態(tài)。電路到底穩(wěn)定在哪種工作狀態(tài)要看外界沖擊引起的過渡過程的情況。 </p> <p> 2)PT的非線性鐵磁特性是產(chǎn)生鐵磁諧振的根本原因，但鐵磁元件的飽和效應(yīng)本身也限制了過電壓的幅值。此外回路損耗也使諧振過電壓受到阻尼和限制。當(dāng)回路電阻大于一定的數(shù)值時，就不會出現(xiàn)強烈的鐵磁諧振過電壓。 </p> <p> 3）串聯(lián)諧振電路來說，產(chǎn)生鐵磁諧振過電壓的的必要條件是ω0=1/L0C<；ω。因此鐵磁諧振可在很大的范圍內(nèi)發(fā)生。了解電流互感器型號,正確選擇電流互感器！電壓互感器訂購</p><p style="text-indent:25px">伊頓穆勒ETAON電流互感器好么？通用電壓互感器哪個牌子好</p><p> 應(yīng)用CVT進行諧波測量方法討論（一） </p> <p> 通過CVT進行諧波測量，測量結(jié)果的幅值和相位均存在很大的誤差，在某些頻率下，幅值比較大可能達到實際值的2倍以上，**小可能僅為實際值的10%左右;相位也存在將近1200突變的問題。 </p> <p> 各廠家CVT實測頻率特性曲線均在一定的頻率范圍內(nèi)出現(xiàn)峰谷現(xiàn)象，且相位在其峰值和谷值頻率處出現(xiàn)突變。不同廠家之問CVT諧波測量出現(xiàn)峰值和谷值的頻率有所差別，在峰值和谷值處對真實幅值和相位的測量誤差大小也不相同。而相同廠家同一型號的CVT諧波測量誤差結(jié)果基本一致。通用電壓互感器哪個牌子好</p><p style="text-indent:25px">杭州浩蘊自動化科技有限公司致力于機械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為凸輪開關(guān)，隔離開關(guān)，電流互感器，電壓互感器等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事機械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。浩蘊自動化立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1499510.html</p></div></div></div></div></div><div id="gzwdfme" class="page-right twoColRt"><div id="gqik88u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wqcujfc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" 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