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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051440509257_baomeng7_7436240.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3egia7c" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>濟(jì)南MTAC350晶閘管智能模塊哪家好,晶閘管智能模塊</p><p><span>***更新：</span>2020-12-08 01:04:12</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tc8nfea" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淄博正高電氣有限公司</a></p><p><span>聯(lián)系人：</span>竇新勇</p><p><span>郵箱: </span>zhenggao168@163.com</p><p><span>電話: </span>15550320286</p><p><span>傳真: </span>0533_7369627</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0533-7369626</p><p><span>地址: </span>淄博市臨淄區(qū)桑坡路南首2-20號(hào) </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="wuo3mj7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tx8n2ji" class="box"><p><p> ⑥三相交流相控調(diào)壓電路⑦三相五柱式雙反星形可控硅整流電路折疊正常使用條件⑴海拔高度不超過(guò)2000M。⑵環(huán)境溫度:-40℃-+50℃。⑶空氣比較大相對(duì)濕度不超過(guò)90%(在相當(dāng)于空氣溫度20±5℃)。⑷運(yùn)行地點(diǎn)無(wú)導(dǎo)電塵埃，沒(méi)有腐蝕金屬和破壞絕緣的氣體或蒸汽。⑸無(wú)劇烈振動(dòng)和沖擊。折疊工作原理本控制板是以工業(yè)級(jí)的單片機(jī)為組成的全數(shù)字控制、數(shù)字觸發(fā)系統(tǒng)，它由電源變壓器、電源穩(wěn)壓電路、三相同步電路及處理模塊、數(shù)字調(diào)節(jié)器、數(shù)字觸發(fā)器、六路相互隔離的脈沖輸出電路，濟(jì)南MTAC350晶閘管智能模塊哪家好、開(kāi)關(guān)量輸入、故障及報(bào)警輸出電路、模擬量處理及A/D轉(zhuǎn)換電路、按鍵參數(shù)設(shè)定及LED指示電路等部分組成。折疊技術(shù)參數(shù)⑴主電路閥側(cè)額定工作線電壓:≤1000V(50HZ)。⑵控制板工作電源:單相220V±10%;電流A≤。⑶控制板同步信號(hào):三相同步,AC380V，50HZ，電流A≤10mA;其他需定制。⑷UF電壓反饋信號(hào):DC0∽10V，內(nèi)阻抗≥20KΩ，反饋信號(hào)比較大共模電壓≤10V，其他需定制(5)IF電流反饋信號(hào):DC0∽5V，內(nèi)阻抗≥20KΩ，反饋信號(hào)比較大共模電壓≤5V，其他需定制。⑹1F電流反饋信號(hào):DC0∽5V，內(nèi)阻抗≥20KΩ，反饋信號(hào)比較大共模電壓≤5V，其他需定制。⑺2F電流反饋信號(hào):DC0∽5V，內(nèi)阻抗≥20KΩ，濟(jì)南MTAC350晶閘管智能模塊哪家好，濟(jì)南MTAC350晶閘管智能模塊哪家好。正高電氣以創(chuàng)百年企業(yè)、樹(shù)百年品牌為使命，傾力為客戶創(chuàng)造更大利益！濟(jì)南MTAC350晶閘管智能模塊哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南MTAC350晶閘管智能模塊哪家好,晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051440509257_baomeng7_7436240.jpg"></div><p> 在緩慢放大面板上“給定”電位器的操作中，應(yīng)密切注意電流表的反應(yīng)，若電流表的指示迅速增大，則應(yīng)迅速把“給定”電位器逆時(shí)針旋下來(lái)，此時(shí)表明電流取樣電路有問(wèn)題，系統(tǒng)處于電流開(kāi)環(huán)狀態(tài)，應(yīng)檢查電流互感器是否接對(duì)，特別是5A：、付邊是否接反，Ω電阻是否接上，正常的表現(xiàn)是隨著“給定”電位器的緩慢加大，電流表的指示也跟著增大，當(dāng)停止旋轉(zhuǎn)“給定”電位器時(shí)，電流表的指示能穩(wěn)定的停在某一刻度上。當(dāng)出現(xiàn)直通現(xiàn)象時(shí)，把面板上的“給定”電位器順時(shí)針旋大，使電流表的指示接近額定值的50%左右。用交流電壓表測(cè)量CON2-3、CON2-4、CON2-5三個(gè)接線端子間的電壓，三個(gè)電壓應(yīng)該是大致相等的，若相差太大，說(shuō)明電流互感器的同名端接錯(cuò)，必須改對(duì)，否則會(huì)影響電流調(diào)節(jié)器的正常工作。繼續(xù)把面板上的“給定”電位器順時(shí)針旋到頭，電流表的指示應(yīng)接近額定值，逆時(shí)針調(diào)節(jié)主控制板上的W1電流反饋微調(diào)電位器，使直流電流表指示到額定輸出電流，完成了額定電流的整定。這樣整流橋的測(cè)試就基本完成，可以進(jìn)行逆變橋的調(diào)試。需要指出的是，當(dāng)平波電抗器的直流電阻較小時(shí)，在直通狀態(tài)下作額定電流的整定，會(huì)出現(xiàn)直流電流振蕩的現(xiàn)象，可在直流回路里串一點(diǎn)電阻加以解決。另外。濟(jì)南MTAC350晶閘管智能模塊哪家好以客戶至上為理念，為客戶提供咨詢服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南MTAC350晶閘管智能模塊哪家好,晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051462402217_baomeng7_9266919.jpg"></div><p> [1]單結(jié)管即單結(jié)晶體管，又稱為雙基極二極管，是一種具有一個(gè)PN結(jié)和兩個(gè)歐姆電極的負(fù)阻半導(dǎo)體器件。常見(jiàn)的有陶瓷封裝和金屬殼封裝的單結(jié)晶體管。[2]單結(jié)晶體管可分為N型基極單結(jié)管和P型基極單結(jié)管兩大類。單結(jié)晶體管的文字符號(hào)為“VT”，圖形符號(hào)如圖所示。[3]單結(jié)晶體管的主要參數(shù)有：①分壓比η，指單結(jié)晶體管發(fā)射極E至基極B1間的電壓（不包括PN結(jié)管壓降）在兩基極間電壓中所占的比例。②峰點(diǎn)電壓UP，是指單結(jié)晶體管剛開(kāi)始導(dǎo)通時(shí)的發(fā)射極E與基極B1的電壓，其所對(duì)應(yīng)的發(fā)射極電流叫做峰點(diǎn)電流IP。③谷點(diǎn)電壓UV，是指單結(jié)晶體管由負(fù)阻區(qū)開(kāi)始進(jìn)入飽和區(qū)時(shí)的發(fā)射極E與基極B1間的電壓，其所對(duì)應(yīng)的發(fā)射極電流叫做谷點(diǎn)電流IV。[4]單結(jié)晶體管共有三個(gè)管腳，分別是：發(fā)射極E、基極B1和第二基極B2。圖示為兩種典型單結(jié)晶體管的管腳電極。[5]單結(jié)晶體管**重要的特性是具有負(fù)阻性，其基本工作原理如圖示（以N基極單結(jié)管為例）。當(dāng)發(fā)射極電壓UE大于峰點(diǎn)電壓UP時(shí)，PN結(jié)處于正向偏置，單結(jié)管導(dǎo)通。隨著發(fā)射極電流IE的增加，大量空穴從發(fā)射極注入硅晶體，導(dǎo)致發(fā)射極與基極間的電阻急劇減小，其間的電位也就減小，呈現(xiàn)出負(fù)阻特性。[6]檢測(cè)單結(jié)晶體管時(shí)，萬(wàn)用表置于“R×1k”擋。</p><p> 傳統(tǒng)的電加熱行業(yè)使用的功率器件一般采用分離晶閘管+晶閘管觸發(fā)板的方式來(lái)完成對(duì)變壓器初級(jí)或次級(jí)的調(diào)壓；加熱行業(yè)往往工作環(huán)境很惡劣，粉塵飛揚(yáng)，溫度變化較大，濕度較高，長(zhǎng)時(shí)間工作后會(huì)出現(xiàn)觸發(fā)板工作失常，造成晶閘管擊穿，導(dǎo)致設(shè)備停產(chǎn)，產(chǎn)品報(bào)廢等，給生產(chǎn)造成嚴(yán)重?fù)p失。并且普通電工無(wú)法完成維修工作，必須專業(yè)人員進(jìn)行操作。為了避免出現(xiàn)上述問(wèn)題，比較好采用密封性好，工作環(huán)境適應(yīng)能力強(qiáng)，安裝維修方便的晶閘管智能模塊來(lái)替代傳統(tǒng)的方式。晶閘管智能模塊是把晶閘管主電路與移向觸發(fā)系統(tǒng)（即觸發(fā)板）集成共同封裝在一個(gè)塑料外殼內(nèi)，從而省去了觸發(fā)板與晶閘管之間的連接線、晶閘管與晶閘管之間的連接線，減小了接線錯(cuò)誤的幾率，維護(hù)方便，普通電工即可完成操作，省去人員成本。把觸發(fā)板封裝到模塊內(nèi)，環(huán)境中的粉塵、濕氣等都不會(huì)對(duì)其產(chǎn)生影響，增加了可靠性。正高電氣通過(guò)專業(yè)的知識(shí)和可靠技術(shù)為客戶提供服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南MTAC350晶閘管智能模塊哪家好,晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051440509257_baomeng7_5954108.jpg"></div><p> 當(dāng)周圍光線較弱時(shí)，RG呈現(xiàn)高電阻，VD5右端電位升高，電容C充電速率加快，振蕩頻率變高，VS導(dǎo)通角增大，電燈兩端電壓升高、高度增大。當(dāng)周圍光線增強(qiáng)時(shí)，RG電阻變小，與上述相反，電燈兩端電壓變低，高度減小。元器件選擇與制作調(diào)試調(diào)試時(shí)，將RP調(diào)到阻值為零位置，S置于位置2，用萬(wàn)用表測(cè)電燈兩端交流電應(yīng)在200V以上，如低于200V可略減小R1或增大R3阻值，使之達(dá)到要求。光敏電阻RG應(yīng)安裝在臺(tái)燈底座側(cè)面臺(tái)燈光線不能直接照射的地方，用來(lái)感受周圍環(huán)境照度。調(diào)光臺(tái)燈的燈泡宜用40W的白熾燈。調(diào)整好的電路即可投入使用；S撥向2為普通調(diào)光臺(tái)燈，調(diào)RP可選擇適當(dāng)?shù)母呙芏?；S撥向1為自動(dòng)臺(tái)燈，先調(diào)RP選擇好適當(dāng)亮度，如環(huán)境照度變暗時(shí)，臺(tái)燈亮度會(huì)逐漸變亮，增大照度。光敏電阻光控?zé)綦娐穲D（四）如圖所示是一種簡(jiǎn)易的光控開(kāi)關(guān)。在一些公共場(chǎng)所，如樓道、路燈等裝上自動(dòng)光控開(kāi)關(guān)，不僅方便而且也節(jié)電。它在天黑時(shí)會(huì)自動(dòng)開(kāi)燈，天亮?xí)r自動(dòng)熄滅。調(diào)節(jié)Ω電位器，可適用于不同型號(hào)的光敏電阻及在一定的條件（黑暗程度）下亮燈。光敏電阻光控?zé)綦娐穲D（五）該太陽(yáng)能光控定時(shí)節(jié)能照明燈電路是由太陽(yáng)能電池、蓄電池、光控電路、定時(shí)電路和節(jié)能燈驅(qū)動(dòng)電路幾部分組成。正高電氣始終以適應(yīng)和促進(jìn)工業(yè)發(fā)展為宗旨。青島MTDC400晶閘管智能模塊報(bào)價(jià)</p><p style="text-indent:25px">我公司將以優(yōu)良的產(chǎn)品，周到的服務(wù)與尊敬的用戶攜手并進(jìn)！濟(jì)南MTAC350晶閘管智能模塊哪家好</p><p> 晶閘管智能模塊的散熱要求 </p> <p> 模塊散熱條件的好壞直接關(guān)系到產(chǎn)品的使用壽命和短時(shí)過(guò)載能力，溫度越低模塊的輸出電流越大，所以在使用中一定要配備散熱器和風(fēng)機(jī)，建議采用帶有過(guò)熱保護(hù)功能的產(chǎn)品，有水冷散熱條件的優(yōu)先選擇水冷散熱。我們經(jīng)過(guò)嚴(yán)格測(cè)算，確定了不同型號(hào)的產(chǎn)品所應(yīng)該配備的散熱器型號(hào)，推薦采用廠家配套的散熱器和風(fēng)機(jī)，用戶自備時(shí)按以下原則選取： </p> <p> 1、軸流風(fēng)機(jī)的風(fēng)速應(yīng)大于6m/s ； </p> <p> 2、一定要能保證模塊正常工作時(shí)散熱底板溫度不大于 80℃； </p> <p> 3、模塊負(fù)載較輕時(shí)，可減小散熱器的大小或采用自然冷卻； </p> <p> 4、采用自然方式冷卻時(shí)散熱器周圍的空氣能實(shí)現(xiàn)對(duì)流并適當(dāng)增大散熱器面積； </p> <p> 5、所有緊固模塊的螺釘一定要擰緊，壓線端子連接牢固，以減少次生熱量的產(chǎn)生，模塊底板和散熱器之間一定要要涂敷一層導(dǎo)熱硅脂或墊上一片底板大小的導(dǎo)熱墊，以達(dá)到良好散熱效果。濟(jì)南MTAC350晶閘管智能模塊哪家好</p><p style="text-indent:25px">淄博正高電氣有限公司是一家可控硅模塊,晶閘管模塊,晶閘管智能模塊,可控硅集成模塊,晶閘管集成模塊,可控硅觸發(fā)板,電力調(diào)整器,固態(tài)繼電器,智能可控硅調(diào)壓模塊,晶閘管調(diào)壓模塊,可控硅模塊廠家,可控硅智能調(diào)壓模塊,移相觸發(fā)板,調(diào)壓模塊,晶閘管智能調(diào)壓模塊,單相觸發(fā)板的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來(lái)，投身于可控硅模塊，晶閘管智能模塊，觸發(fā)板，電力調(diào)整器，是電子元器件的主力軍。正高電氣供應(yīng)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。正高電氣供應(yīng)始終關(guān)注電子元器件市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2307843.html</p></div></div></div></div></div><div id="rqaho2c" class="page-right twoColRt"><div id="u7z2d3d" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d7s9mwd" class="recomPic likePro"><a href="http://m.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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