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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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>感應(yīng)式穩(wěn)壓電源</p><p><span>***更新：</span>2020-06-02 19:06:14</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="9trxdjn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海旋翼電子有限公司</a></p><p><span>聯(lián)系人：</span>江德國</p><p><span>郵箱: </span>sales@xuanyidianzi.com</p><p><span>電話: </span>18917239297</p><p><span>傳真: </span>021_64422297</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-64422296</p><p><span>地址: </span>上海市閔行區(qū)元山路377號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7rp7rpx" class="page-proshow02"><p class="title">詳細說明</p><div id="pd9jz97" class="box"><p><p style="text-indent:25px">（接上頁）智能無級無觸點穩(wěn)壓電源采用IGBT模塊控制，精度＜±0.5％，穩(wěn)壓時間＜50ms ,三相分調(diào)。適合用在電壓不穩(wěn)定，電壓閃變、電壓驟降，配電變壓器容量不足，電纜傳輸距離長，線纜細截面積小，大功率設(shè)備頻繁啟動，單相設(shè)備多三相不平衡的用電環(huán)境下使用。其選型時的注意事項有： 1.3 功率：通?？蛻裘枋龅氖秦撦d設(shè)備的有功功率，而無功還沒有計算進去，因此需要計算視在功率，通常我們按照有功功率除以0.85計算視在功率，然后乘以1.2～1.5倍的安全系數(shù)，即為視在容量，可匹配就近的穩(wěn)壓器規(guī)格。例如：印刷機，額定功率70KW，那么70/0.85*1.2=98.82KVA，選配100KVA及以上規(guī)格的穩(wěn)壓器即可。但是有些負載是例外，例如激光切割機，感應(yīng)式穩(wěn)壓電源，常規(guī)激光切割機有光纖、二氧化碳、等離子等，因為激光的光電轉(zhuǎn)化率比較低，電能功耗高，所以不能按照常規(guī)用電設(shè)備預(yù)留安全系數(shù)。拿相當常用的光纖激光切割機來說，需按照激光器功率乘以15-20倍；二氧化碳則需乘以20-30倍。 1.4 電流：如果不能得知用電設(shè)備功率，感應(yīng)式穩(wěn)壓電源，感應(yīng)式穩(wěn)壓電源，或者特殊設(shè)備電流較大，那么可以通過實際比較大電流來計算穩(wěn)壓器的選型配置。也可以觀察負載設(shè)備前端的開關(guān)大小，以此來推算穩(wěn)壓器適用的規(guī)格。（接下頁） </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="感應(yīng)式穩(wěn)壓電源" src="http://tyunfile.71360.com/UpLoadFile/xuanyi/2019/7/636982884372048430/6369828843720484307746855.jpg"></div><p style="text-indent:25px">（接上頁）智能無級無觸點穩(wěn)壓電源采用IGBT模塊控制，精度＜±0.5％，穩(wěn)壓時間＜50ms ,三相分調(diào)。適合用在電壓不穩(wěn)定，電壓閃變、電壓驟降，配電變壓器容量不足，電纜傳輸距離長，線纜細截面積小，大功率設(shè)備頻繁啟動，單相設(shè)備多三相不平衡的用電環(huán)境下使用。其選型時的注意事項有：一、負載設(shè)備類型、屬性、功率、額定電流 1.1 負載：是指配置穩(wěn)壓器輸出端所負載的用電設(shè)備，例如：空壓機、機床、印刷機、流水線等。 1.2 屬性：是根據(jù)負載來判斷的，有容性、阻性、感性和混合型之分。一般用電設(shè)備都是混合型，感性為主，控制回路為阻性和容性。若負載的用電設(shè)備是純感性，選型時需要注意其啟動方式，比如電動機、空壓機、水泵等，需要考慮啟動方式計算脈沖電流。電動機啟動方式一般分為直接啟動、降壓啟動（星△啟動、軟啟動）、變頻啟動。直接啟動的電流為額定電流的5～7倍；降壓啟動的電流為額定電流的2～3倍；變頻啟動的電流為額定電流的1.2～1.5倍。通常直接啟動的感性設(shè)備不超過11KW，雖然沒有明文規(guī)定大功率電動機不允許直接啟動，但建議11KW以上的電動機采用降壓或則變頻啟動。原則上，只要10KV配電變壓器容量足夠，大功率電動機是可以直接啟動的。（接下頁） </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="感應(yīng)式穩(wěn)壓電源" src="http://tyunfile.71360.com/UpLoadFile/xuanyi/2019/7/636982883422691962/6369828834226919623322801.png"></div><p style="text-indent:25px">（接上頁）智能無級無觸點穩(wěn)壓電源采用IGBT模塊控制，精度＜±0.5％，穩(wěn)壓時間＜50ms ,三相分調(diào)。適合用在電壓不穩(wěn)定，電壓閃變、電壓驟降，配電變壓器容量不足，電纜傳輸距離長，線纜細截面積小，大功率設(shè)備頻繁啟動，單相設(shè)備多三相不平衡的用電環(huán)境下使用。其選型時的注意事項有：二、其他現(xiàn)場情況，目前存在的問題？其他技術(shù)要求？如果是主動需求客戶，需要知道為什么配穩(wěn)壓器，出現(xiàn)了哪些問題需要解決，便于判斷和對癥下藥解決問題，詢問有什么特殊的技術(shù)要求，必要的數(shù)據(jù)需要上門采集和交流溝通。例如：諧波干擾、閃變、電壓暫降、三相不平衡、零地電壓高、設(shè)備啟動不了等等。三、環(huán)境電壓（市電輸入）波動范圍？環(huán)境電壓是指選配穩(wěn)壓器的輸入電壓，很多客戶是幾家集體共用的變壓器，由于配電變壓器容量不足，或作傳輸距離長、線徑細，大功率頻繁啟動等因素，當電壓不穩(wěn)的時候波動范圍很大，我們常規(guī)穩(wěn)壓器是380V±20％輸入范圍，即線電壓304V-456V 相電壓176V-264V，假如客戶現(xiàn)場電壓跌幅超過此范圍，那么就應(yīng)該選擇更寬幅電壓的穩(wěn)壓器，可選的有±30％、±40％和±50％。（接下頁） </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="感應(yīng)式穩(wěn)壓電源" src="http://tyunfile.71360.com/UpLoadFile/xuanyi/2019/7/636982883339641262/6369828833396412628773117.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/121580.html</p></div></div></div></div></div><div id="f77rpvj" class="page-right twoColRt"><div id="b5lrp7f" class="box01 margin10 clearfix"><h3><a 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