產(chǎn)品詳情
韓國(guó)光星KTH-B3161S,KTH-B3162S,KTH-B3171S,免費(fèi)咨詢中山立訊電氣/中山朗立電氣有限公司直銷EOCR三和,保護(hù)器,價(jià)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(guó)光星KTH-B3161S,KTH-B3162S,KTH-B3171S,免費(fèi)咨詢 假如10kW按三相供電考慮,I=P/√3UCOSθ,計(jì)算電流大概在19A左右,此時(shí)總開(kāi)關(guān)可以選擇32或40A的。假如8kW按單相供電考慮,I=P/UCOSθ,計(jì)算電流大概在45A左右,此時(shí)總開(kāi)關(guān)可以選擇63A的。其他用電負(fù)荷不在舉例,大家可以自己根據(jù)家庭用電情況計(jì)算?! ∧敲?,單值電容電機(jī)和雙值電容電機(jī)怎么實(shí)現(xiàn)正反轉(zhuǎn)呢。咱們知道,三相異步點(diǎn)動(dòng)機(jī)倒轉(zhuǎn)比較容易,只要任意調(diào)動(dòng)其中兩根電機(jī)線,就會(huì)實(shí)現(xiàn)反轉(zhuǎn)。相比之下,單相異步電機(jī)要麻煩些。實(shí)際應(yīng)用中,單電容電機(jī)為了使正反轉(zhuǎn)簡(jiǎn)單些,往往把啟動(dòng)繞組和運(yùn)行繞組線徑和阻值做成一樣。
當(dāng)端子的感應(yīng)電勢(shì)方向一致時(shí),稱為同名端;反過(guò)來(lái)說(shuō),如果在同名端通入同方向的直流電流,它們?cè)阼F芯中產(chǎn)生的磁通也是同方向的。標(biāo) 同為首端或同為尾端的端子而且感應(yīng)電勢(shì)方向一致,這種標(biāo) 的繞組稱為減極性,如圖1.3a所示,此時(shí)A-a端子的電壓是兩個(gè)繞組感應(yīng)電勢(shì)相減的結(jié)果。
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(guó)光星KTH-B3161S,KTH-B3162S,KTH-B3171S,免費(fèi)咨詢 熱繼電器的結(jié)構(gòu)1、感溫元件、2、觸點(diǎn)系統(tǒng)、3、動(dòng)作機(jī)構(gòu)4、復(fù)位按鈕、5、電流調(diào)節(jié)機(jī)構(gòu)6、溫度補(bǔ)償元件上述的感溫元件:雙金屬片、繞在雙金屬片上的電阻絲。雙金屬片是兩塊不同系數(shù)的金屬片,然后以機(jī)械碾壓方式制成一體?! ?通俗點(diǎn)說(shuō),交流器里面相當(dāng)于有兩塊電磁鐵,給它的線圈通電,兩塊磁鐵就會(huì)吸合在一起,它的作用都是通過(guò)這簡(jiǎn)單的原理實(shí)現(xiàn)的。舉個(gè)簡(jiǎn)單的例子,啟停開(kāi)關(guān)和線圈串聯(lián)在一個(gè)低壓線路中,主觸點(diǎn)與電機(jī)電源線串聯(lián),主觸點(diǎn)一般是常開(kāi)的,按啟動(dòng)按鈕,線圈通電后,主觸點(diǎn)閉合,電機(jī)通電,按停止按鈕,線圈斷電,主觸點(diǎn)分開(kāi),電機(jī)斷電。
9、防護(hù)等級(jí)指電動(dòng)機(jī)外殼防護(hù)的型式。1)型 產(chǎn)品型 是為了便于設(shè)計(jì)、制造、使用部門(mén)進(jìn)行業(yè)務(wù)聯(lián)系和簡(jiǎn)化技術(shù)文件中產(chǎn)品名稱、規(guī)格、型式等敘述而引用的一種代 。主要由產(chǎn)品代 和規(guī)格代 構(gòu)成。(1)產(chǎn)品代 由電機(jī)類型代 、電機(jī)特點(diǎn)代 和設(shè)計(jì)序 組成。
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(guó)光星KTH-B3161S,KTH-B3162S,KTH-B3171S,免費(fèi)咨詢 所以高斯定理對(duì)單個(gè)電流元成立。根據(jù)磁場(chǎng)疊加原理,任意載流回路產(chǎn)生的總磁場(chǎng)B是各電流元產(chǎn)生的元磁場(chǎng)dB的矢量和,從而通過(guò)某一面元dS的總磁通量是各電流元產(chǎn)生元磁通的代數(shù)和。至此,磁場(chǎng)的"高斯定理"得到了完全證明。 而且好成形,成本低,BVR銅芯聚氯絕緣軟電線,屬半硬,用于固定敷設(shè)時(shí),要求敷設(shè)在的,對(duì)于高溫,應(yīng)采用高溫線,如AF-200高溫導(dǎo)線,耐溫200℃,但十分昂貴,應(yīng)盡可能少用,即使用,也要根據(jù)實(shí)際環(huán)境溫度選用。 電氣成套裝配中存在的問(wèn)題:1,空開(kāi)下出線多股并線2,空開(kāi)上進(jìn)線多負(fù)載并線3,空開(kāi)進(jìn)出線的線徑不一致4,不同線徑隨意并線5,線纜顏色使用不規(guī)范常用電線顏色定義1,三相交流:黃/綠/紅色2,單相交流紅色3。
3)熔斷器還必須保護(hù)熱繼電器不受可能超過(guò)其額定電流的8倍及以上的大電流破壞。4)熔斷器還必須在短路情況下保護(hù)器,能分?jǐn)嗥鞑荒芊謹(jǐn)嗟拇箅娏?,使得器的觸頭在任何情況下不發(fā)生熔焊,或僅出現(xiàn)輕微熔焊現(xiàn)象。器分?jǐn)嗄芰Γ话銥?0倍額定電流值。
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(guó)光星KTH-B3161S,KTH-B3162S,KTH-B3171S,免費(fèi)咨詢 定心支片上有許多同心圓環(huán),使音圈在磁隙中自由地上下移動(dòng)而不作橫向移動(dòng),保證音圈不與導(dǎo)磁板相碰。定心支片上的防塵罩是為了防止外部灰塵等落磁隙,避免造成灰塵與音圈摩擦,而使揚(yáng)聲器產(chǎn)生異常聲音。一般揚(yáng)聲器是由:磁鐵、框架、定心支片、模折環(huán)錐型紙盆組成的。 空開(kāi)只能起到過(guò)負(fù)荷,短路跳閘。漏電開(kāi)關(guān)在空開(kāi)的基礎(chǔ)上加裝了一套防漏電裝置,能起到漏電跳閘的作用。起到保護(hù)人生及電器設(shè)備的??臻_(kāi)不帶電的情況按一下試驗(yàn)按鈕也可以跳開(kāi),漏電開(kāi)關(guān)不帶電的情況按一下試驗(yàn)按鈕不會(huì)跳的。
機(jī)械互鎖的作用事實(shí)上,圖2b的控制方法已經(jīng)可以實(shí)現(xiàn)電動(dòng)機(jī)的正反轉(zhuǎn),但是麻煩的是電動(dòng)機(jī)正轉(zhuǎn)切換反轉(zhuǎn)時(shí),必須按下停止按鈕1才能繼續(xù)按3。因此,為了操作方便,我們又引入了機(jī)械互鎖按鈕,做成了圖2c的電路。在此圖中,按下3,可以直接斷開(kāi)2,使電動(dòng)機(jī)進(jìn)行反轉(zhuǎn)。
3.三個(gè)單相電壓互感器Y。/Y。形接線這種接線方式能滿足儀表和繼電保護(hù)裝置選用相電壓和線電壓的要求。在一次繞組中點(diǎn)接地情況下,也可裝用絕緣監(jiān)察電壓表。4.三個(gè)單相三繞組電壓互感器或一個(gè)三相五芯柱三繞組電壓互感器Y?! ?duì)耐磨涂層牢固性的要求:基體應(yīng)無(wú)變形,有足夠的硬度及屈服強(qiáng)度,以支承涂層不發(fā)生變形。a、涂層與基體材料的彈性模量要匹配。若涂層與基體材料的彈性模量不匹配,在負(fù)荷下會(huì)于基體界面處產(chǎn)生陡變式應(yīng)力。表1高速鋼與碳合物的彈性模量材料高速鋼ZrCVCTiCHfCNhCTaCWC+12.2%CoWC+5.5%CoWC金剛石彈性模量/×106MPa0.20.410.430.450.460.510.540.570.610.610.79b、熱系數(shù)要匹配。