產(chǎn)品詳情
韓國光星KTK-0163S,KTK-0163T,KTK-0171S,視頻發(fā)布中山立訊電氣/中山朗立電氣有限公司直銷EOCR三和,保護器,價格優(yōu)惠.
EOCR-SS-05N-24 EOCR-SS-05N-220 EOCR-SS-05R-24 EOCR-SS-05R-220 EOCR-SS-05N-440 EOCR-SS-05R-36 EOCR-SS-05R-440 EOCR-SS-30N-24 EOCR-SS-30N-220 EOCR-SS-30R-24 EOCR-SS-30R-220 EOCR-SS-30N-440 EOCR-SS-30R-36 EOCR-SS-30R-440 EOCR-SS-60N-24 EOCR-SS-60N-220 EOCR-SS-60R-24 EOCR-SS-60R-220 EOCR-SS-60N-440 EOCR-SS-60R-36 EOCR-SS-60R-440 EOCR-SS1-05-24 EOCR-SS1-05-110 EOCR-SS1-05-220 EOCR-SS1-30-24 EOCR-SS1-30-110 EOCR-SS1-30-220 EOCR-SS1-60-24 EOCR-SS1-60-110 EOCR-SS1-60-220
韓國光星KTK-0163S,KTK-0163T,KTK-0171S,視頻發(fā)布 在進行斷路器的選擇時首先要準(zhǔn)確了解其性能,以此來整定電器的參數(shù)值,具體的標(biāo)準(zhǔn)要符合低壓配電設(shè)計規(guī)范;2)選擇合適的斷路器要綜合考慮交流,,以及直流,電壓值等因素,并且要以回路的額定電壓以及額定??! 〈祟愗撦d使用類別為AC-6a。對于在特殊情況下工作的電動機要根據(jù)實際工況考慮。如電動葫蘆屬于沖擊性負載,重載啟停,反接制動等,所以計算工作電流要乘以相應(yīng)倍數(shù),由于重載啟停,選用4倍電動機額定電流,通常重載下反接制動電流為啟動電流2倍,所以對于此工況要選用8倍額定電流。
電壓互感器的接線方式很多,常見的有以下幾種:1、用一臺單相電壓互感器來測量某一相對地電壓或相間電壓的接線方式2、用兩臺單相互感器接成不完全星形,也稱V—V接線,用來測量各相間電壓,但不能測相對地電壓,廣泛應(yīng)用在20KV以下中性點不接地中。
EOCR-SS2-05-24 EOCR-SS2-05-110 EOCR-SS2-05-220 EOCR-SS2-30-24 EOCR-SS2-30-110 EOCR-SS2-30-220 EOCR-SS2-60-24 EOCR-SS2-60-110 EOCR-SS2-60-220 EOCR-SSD-05-440 EOCR-SSD-05-24 EOCR-SSD-05-110 EOCR-SSD-05-220 EOCR-SSD-30-440 EOCR-SSD-30-24 EOCR-SSD-30-110 EOCR-SSD-30-220 EOCR-SSD-60-440 EOCR-SSD-60-24 EOCR-SSD-60-110 EOCR-SSD-60-220 EOCR-AR-05R-24 EOCR-AR-05R-110 EOCR-AR-05R-220 EOCR-AR-05N-24 EOCR-AR-05N-110 EOCR-AR-05N-220 EOCR-AR-30R-24 EOCR-AR-30R-110 EOCR-AR-30R-220 EOCR-AR-30N-24 EOCR-AR-30N-110 EOCR-AR-30N-220 EOCR-AR-60R-24 EOCR-AR-60R-110 EOCR-AR-60R-220 EOCR-AR-60N-24 EOCR-AR-60N-110 EOCR-AR-60N-220 EOCR-ST-10R-24 EOCR-ST-10R-220 EOCR-ST-10R-440 EOCR-ST-10N-24 EOCR-ST-10N-220 EOCR-ST-10N-440 EOCR-ST-20R-24 EOCR-ST-20R-220 EOCR-ST-20R-440 EOCR-ST-20N-24 EOCR-ST-20N-220 EOCR-ST-20N-440 EOCR-ST-30R-24
韓國光星KTK-0163S,KTK-0163T,KTK-0171S,視頻發(fā)布 磁場中閉合線圈的磁通量⒈定義一:φ=BS,S是與磁場方向垂直的面積,如果平面與磁場方向不垂直,應(yīng)把面積投影到與磁場垂直的方向上,求出投影面積;⒉定義二:表示穿過某一面積磁感線條數(shù);此時,我們認為B代表的意義是單位面積內(nèi)的磁感線密度。 2.測量前的檢查測量前,應(yīng)檢查電流表指針是否對準(zhǔn)“0”刻度線。如果沒對準(zhǔn),應(yīng)調(diào)節(jié)“調(diào)零器”,使指針歸零。3.電流表與被測電路的連接(1)測量時,應(yīng)將電流表串接于被測電路的低電位一側(cè)。4.正確讀數(shù)讀數(shù)時,應(yīng)讓指針穩(wěn)定后再進行讀數(shù),并盡旦保持視線與刻度盤垂直。
軌道交通等行業(yè)都有新產(chǎn)品需求,"上述某企業(yè)高層表示,其所在企業(yè)主要靠加強內(nèi)部管理,成品率來保證產(chǎn)品利潤,[如果產(chǎn)品出現(xiàn)質(zhì)量問題,維修成本更高,對產(chǎn)品質(zhì)量問題的也很嚴厲,當(dāng)前我們主要通過精細化管理降低成本。
EOCR-ST-30R-220 EOCR-ST-30R-440 EOCR-ST-30N-24 EOCR-ST-30N-220 EOCR-ST-30N-440 EOCR-SP-01N-110 EOCR-SP-01N-220 EOCR-SP-01R-220 EOCR-SP-10N-110 EOCR-SP-10N-220 EOCR-SP-10R-220 EOCR-SP-20N-110 EOCR-SP-20N-220 EOCR-SP-20R-220 EOCR-SP-40N-220 EOCR-SP-40N-110 EOCR-SP-40R-220 EOCR-SP-40R-110 EOCR-SP1-01N-24 EOCR-SP1-01N-110 EOCR-SP1-01N-220 EOCR-SP1-01R-24 EOCR-SP1-01R-110 EOCR-SP1-01R-220 EOCR-SP1-10N-24 EOCR-SP1-10N-110 EOCR-SP1-10N-220 EOCR-SP1-10R-24 EOCR-SP1-10R-110 EOCR-SP1-10R-220 EOCR-SP1-20N-24 EOCR-SP1-20N-110 EOCR-SP1-20N-220 EOCR-SP1-20R-24 EOCR-SP1-20R-110 EOCR-SP1-20R-220 EOCR-SP2-01N-24 EOCR-SP2-01N-110 EOCR-SP2-01N-220 EOCR-SP2-01R-24 EOCR-SP2-01R-110 EOCR-SP2-01R-220 EOCR-SP2-10N-24 EOCR-SP2-10N-110 EOCR-SP2-10N-220 EOCR-SP2-10R-24 EOCR-SP2-10R-110 EOCR-SP2-10R-220 EOCR-SP2-20N-24 EOCR-SP2-20N-110 EOCR-SP2-20N-220 EOCR-SP2-20R-24 EOCR-SP2-20R-110 EOCR-SP2-20R-220 EOCR-SE-05N-24 EOCR-SE-05N-220 EOCR-SE-05R-24 EOCR-SE-05R-220 EOCR-SE-30N-24 EOCR-SE-30N-220 EOCR-SE-30R-24 EOCR-SE-30R-220 EOCR-SE-60N-24 EOCR-SE-60N-220 EOCR-SE-60R-24 EOCR-SE-60R-220 EOCR-SE2-05N-220 EOCR-SE2-05R-220 EOCR-SE2-05N-24 EOCR-SE2-05R-24 EOCR-SE2-30N-220 EOCR-SE2-30R-220 EOCR-SE2-30N-24 EOCR-SE2-30R-24 EOCR-SE2-60N-220 EOCR-SE2-60R-220 EOCR-SE2-60N-24 EOCR-SE2-60R-24 EOCR-DS-05N-24 EOCR-DS-05N-220 EOCR-DS-05R-24 EOCR-DS-05R-220 EOCR-DS-05N-440 EOCR-DS-05R-440 EOCR-DS-30N-24 EOCR-DS-30N-220 EOCR-DS-30R-24 EOCR-DS-30R-220
韓國光星KTK-0163S,KTK-0163T,KTK-0171S,視頻發(fā)布 中間繼電器型 的含義:.keke_ds{margin:10pxauto;display:block;cursor:pointer;b:134px;height:49px;b:b('source/plugin/keke_ds/tem 空開在電路中的功能作用是當(dāng)發(fā)生超過允許極限的過載、短路及失電壓時自動分斷電路,以及在正常條件下作為電路的不接通和分斷。電線的功能應(yīng)能承載負荷電流的需要、并且要能抗一定的機械拉力、能承受一定的電壓等。
(2)電動機供電回路三相熔絲規(guī)格不同,容量小的熔絲燒斷。應(yīng)根據(jù)電動機功率大小,更換為規(guī)格相同的熔絲。(3)電動機供電回路中的開關(guān)(隔離開關(guān)、膠蓋開關(guān)等)及器的觸頭不良(或松脫)。修復(fù)并動、靜觸頭,使之良好(4)線路某相缺相。
EOCR-DS-30N-440 EOCR-DS-30R-440 EOCR-DS-60N-24 EOCR-DS-60N-220 EOCR-DS-60R-24 EOCR-DS-60R-220 EOCR-DS-60N-440 EOCR-DS-60R-440 EOCR-DST-05N-24 EOCR-DST-05N-220 EOCR-DST-05R-24 EOCR-DST-05R-220 EOCR-DST-30N-24 EOCR-DST-30N-220 EOCR-DST-30R-24 EOCR-DST-30R-220 EOCR-DST-60N-24 EOCR-DST-60N-220 EOCR-DST-60R-24 EOCR-DST-60R-220 EOCR-DS1-05N-24 EOCR-DS1-05N-110 EOCR-DS1-05N-220 EOCR-DS1-05R-24 EOCR-DS1-05R-110 EOCR-DS1-05R-220 EOCR-DS1-30N-24 EOCR-DS1-30N-110 EOCR-DS1-30N-220 EOCR-DS1-30R-24 EOCR-DS1-30R-110 EOCR-DS1-30R-220 EOCR-DS1T-05N-24 EOCR-DS1T-05N-110 EOCR-DS1T-05N-220 EOCR-DS1T-05R-24 EOCR-DS1T-05R-110 EOCR-DS1T-05R-220 EOCR-DS1T-30N-24 EOCR-DS1T-30N-110 EOCR-DS1T-30N-220 EOCR-DS1T-30R-24 EOCR-DS1T-30R-110 EOCR-DS1T-30R-220 EOCR-DS2-05N-24 EOCR-DS2-05N-110 EOCR-DS2-05N-220 EOCR-DS2-05R-24 EOCR-DS2-05R-110 EOCR-DS2-05R-220 EOCR-DS2-30N-24 EOCR-DS2-30N-110 EOCR-DS2-30N-220 EOCR-DS2-30R-24 EOCR-DS2-30R-110 EOCR-DS2-30R-220 EOCR-DS2-60N-24 EOCR-DS2-60N-110 EOCR-DS2-60N-220 EOCR-DS2-60R-24 EOCR-DS2-60R-110 EOCR-DS2-60R-220 EOCR-DS2T-05N-24 EOCR-DS2T-05N-110 EOCR-DS2T-05N-220 EOCR-DS2T-05R-24 EOCR-DS2T-05R-110 EOCR-DS2T-05R-220 EOCR-DS2T-30N-24 EOCR-DS2T-30N-110 EOCR-DS2T-30N-220 EOCR-DS2T-30R-24 EOCR-DS2T-30R-110 EOCR-DS2T-30R-220 EOCR-DS2T-60N-24 EOCR-DS2T-60N-110 EOCR-DS2T-60N-220 EOCR-DS2T-60R-24
韓國光星KTK-0163S,KTK-0163T,KTK-0171S,視頻發(fā)布 (4)當(dāng)q和v┴改變時,F(xiàn)┴的大小也改變,但比值F┴/(qv┴)在任一點總是常量,顯然,該比值反映了磁場在該點的性質(zhì),與運動試探電荷無關(guān),我們可利用該比值來定義描述場本身特性的物理量磁感應(yīng)強度矢量B。在本章中,也要引入場的概念,后給出產(chǎn)生場的規(guī)律。
交流器是一種用小電流的控制電路控制大電流設(shè)備的特殊開關(guān),線圈通電時,內(nèi)部鐵芯吸合,帶動動觸點組動作,原來的常閉觸點分開;原來的常開觸點閉合,達到控制的目的??梢哉罐D(zhuǎn)的實物接線圖和原理圖如圖。(如果器不是圖中的型 ,接線時,要注意區(qū)分小電流的控制觸點和大電流的動力觸點。
3、位相、初位相和位相差⑴位相和初位相交流電在隨時間變化的過程中,不同時刻對應(yīng)著不同的電角度,從而得到不同的瞬時值,所以正弦交流電中的反映了正弦量在交變過程中瞬時值的變化進程。我們把叫正弦交流電的位相(或位相角)。