產(chǎn)品詳情
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立中山立訊電氣有限公司直銷韓國AUTOMA(奧特瑪)閥門,執(zhí)行器,開關(guān)等等全系列產(chǎn)品.
WCB/CF8/EPDM ANSI150# AS50-40BF-L/S
GC/SCS13/EPDM JIS10K AD65-100BF-L/S
316SS/PTFE CLAMP TYPE AD50-1.0S-L/S
A105/13CF+STEL.ASME800# ALC250S-25SW
SCS14/SUS316/PTFE JIS10K AD50-15F4W
SCPH2/SCS14/VITON ANSI150LB ASR80-100BF
A123CL.B/A351CF8M ANSI150LB AD65-80BF
SCS13/SCS13/EPDM 1000PSI AD50-4SBF
SCS13/METAL JIS10K AKGV-200?-325ST-300A
SCS13/SCS13/RTFE JIS10K ATM0100-RK-50HBF
SCS13/SCS13/RTFE ANSI300# ATM0100-RPC-40HBF
SCS13/METAL+WC JIS10K AS100-20F
SCS13/ANSI150# ALC350S-350BW
SCPH2/SUS304+STEL JIS20K AS250-250BF
SCS14/SUS316/PTFE JIS20K AS100-65F
SCS13/SUS304/RTFE JIS10K AD50-25F
ACV111R-15A ACV111R-20A ACV111R-32A
ACV111R-40A ACV111R-50A ACV111R-65A
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 轉(zhuǎn)速公式:n=60f/P(n=轉(zhuǎn)速,f=電源,P=磁極對數(shù))扭矩公式:T=9550P/nT是扭矩,單位N·mP是輸出功率,單位KWn是電機(jī)轉(zhuǎn)速,單位r/min扭矩公式:T=97/nT是扭矩,單位Kg·mP是輸出功率,單位KWn是電機(jī)轉(zhuǎn)速,單位r/min形象的比喻:功率與扭矩哪一項(xiàng)能具體代表車輛性能?! ∵@是利用電磁感應(yīng)的原理,以及楞次定律的運(yùn)行方式。電流互感器的工作必須保證額定電流,比如二次側(cè)為5A,長時(shí)間超額工作,會(huì)導(dǎo)致較大的誤差,儀表無法顯示準(zhǔn)確的數(shù)據(jù),并且可能會(huì)引起絕緣老化,燒壞內(nèi)部繞組。電壓互感器的運(yùn)行是允許超額工作的,不過不能超過額定值的10%,其作用是利用電磁感應(yīng)原理改變電壓幅值,由于二次側(cè)不允許發(fā)生短路,因此電壓互感器又被稱為儀用變壓器?! 〈艌龅母拍钔茝V了,方程加以修正:高斯定理:環(huán)路定理:三、麥克斯韋方程組1、積分形式2、微分形式以上方程中既有電學(xué)量又有磁學(xué)量,說明隨時(shí)間變化的電場和磁場是不可分割地聯(lián)系在一起的;若場矢量不隨時(shí)間變化,則方程就分成兩組的方程,一組為靜電場方程,一組為靜磁場方程。
ACV111R-80A ACV111R-100A ACV111R-125A
ACV111R-150A ACV111R-200A ACV111R-250A
ACV111R-300A ACV121R-300A ACV131R-300A
ACV121R-15A ACV121R-20A ACV121R-32A
ACV121R-40A ACV121R-50A ACV121R-65A
ACV121R-80A ACV121R-100A ACV121R-125A
ACV121R-150A ACV121R-200A ACV121R-250A
ACV131R-15A ACV131R-20A ACV131R-32A
ACV131R-40A ACV131R-50A ACV131R-65A
ACV131R-80A ACV131R-100A ACV131R-125A
ACV131R-150A ACV131R-200A ACV131R-250A
ACV141R-15A ACV141R-20A ACV141R-32A
ACV141R-40A ACV141R-50A ACV141R-65A
ACV141R-80A ACV141R-100A ACV141R-125A
ACV141R-150A ACV141R-200A ACV141R-250A
ACV141R-300A ACV221R-300A ACV211R-300A
ACV211R-15A ACV211R-20A ACV211R-32A
ACV211R-40A ACV211R-50A ACV211R-65A
ACV211R-80A ACV211R-100A ACV211R-125A
ACV211R-150A ACV211R-200A ACV211R-250A
ACV221R-15A ACV221R-20A ACV221R-32A
ACV221R-40A ACV221R-50A ACV221R-65A
ACV221R-80A ACV221R-100A ACV221R-125A
ACV221R-150A ACV221R-200A ACV221R-250A
ACV231R-15A ACV231R-20A ACV231R-32A
ACV231R-40A ACV231R-50A ACV231R-65A
ACV231R-80A ACV231R-100A ACV231R-125A 2.12線圈電蝕:繼電器長期放置在高溫、高濕的環(huán)境中或者連續(xù)通電時(shí),如果將線圈接地容易使線圈被電蝕而引起斷線,所以請盡量不要將繼電器線圈接地。如果線圈不得不接地,請將繼電器線圈端的控制開關(guān)設(shè)置在線圈的正極端?! ∽鳛榻涣髌魇俏覀兙S修電工同行們廣泛應(yīng)用的一類控制電器,今天從我親身經(jīng)歷的一起維修事件說起。話說前些日子,我們電工班接到報(bào)修,說車間的一臺(tái)電動(dòng)葫蘆不能正常運(yùn)行。前往現(xiàn)場后發(fā)現(xiàn)該設(shè)備為一臺(tái)2噸cD1電動(dòng)葫蘆,主電機(jī)上升,下降承載貨物,運(yùn)行電機(jī)左右(東向)拖動(dòng)電動(dòng)葫蘆整體在工字軌道上移動(dòng)。
ACV231R-150A ACV231R-200A ACV231R-250A
ACV231R-300A ACV112R-300A ACV241R-300A
ACV241R-15A ACV241R-20A ACV241R-32A
ACV241R-40A ACV241R-50A ACV241R-65A
ACV241R-80A ACV241R-100A ACV241R-125A
ACV241R-150A ACV241R-200A ACV241R-250A
ACV112R-15A ACV112R-20A ACV112R-32A
ACV112R-40A ACV112R-50A ACV112R-65A
ACV112R-80A ACV112R-100A ACV112R-125A
ACV112R-150A ACV112R-200A ACV112R-250A
ACV122R-15A ACV122R-20A ACV122R-32A
ACV122R-40A ACV122R-50A ACV122R-65A
ACV122R-80A ACV122R-100A ACV122R-125A
ACV122R-150A ACV122R-200A ACV122R-250A
ACV122R-300A ACV142R-300A ACV132R-300A
ACV132R-15A ACV132R-20A ACV132R-32A
ACV132R-40A ACV132R-50A ACV132R-65A
ACV132R-80A ACV132R-100A ACV132R-125A
ACV132R-150A ACV132R-200A ACV132R-250A 這里凹凸指的是觸頭上面那個(gè)半弧,先要把觸頭豎起來,左右指的是觸頭相對于中間的直線是在左邊還是右邊,延頭瞬尾,意指:線圈得電后,觸點(diǎn)延時(shí)動(dòng)作,而失電后,瞬時(shí)瞬時(shí)動(dòng)作;瞬頭延尾,意:線圈得電后,觸點(diǎn)瞬時(shí)動(dòng)作,失電后,延時(shí)復(fù)歸。
ACV142R-15A ACV142R-20A ACV142R-32A
ACV142R-40A ACV142R-50A ACV142R-65A
ACV142R-80A ACV142R-100A ACV142R-125A
ACV142R-150A ACV142R-200A ACV142R-250A
ACV212R-15A ACV212R-20A ACV212R-32A
ACV212R-40A ACV212R-50A ACV212R-65A
ACV212R-80A ACV212R-100A ACV212R-125A
ACV212R-150A ACV212R-200A ACV212R-250A
ACV212R-300A ACV222R-300A ACV232R-300A
ACV222R-15A ACV222R-20A ACV222R-32A
ACV222R-40A ACV222R-50A ACV222R-65A
ACV222R-80A ACV222R-100A ACV222R-125A
ACV222R-150A ACV222R-200A ACV222R-250A
ACV232R-15A ACV232R-20A ACV232R-32A
ACV232R-40A ACV232R-50A ACV232R-65A
ACV232R-80A ACV232R-100A ACV232R-125A
ACV232R-150A ACV232R-200A ACV232R-250A
ACV242R-15A ACV242R-20A ACV242R-32A
ACV242R-40A ACV242R-50A ACV242R-65A
ACV242R-80A ACV242R-100A ACV242R-125A
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 我們假設(shè)消耗的功率為50mW(也就是說,我們可以使用100mW規(guī)格的電阻),這就要求R不得小于20Ω,如果采用20Ω的電阻,由歐姆定律可得副邊匝數(shù)N=200。現(xiàn)在我們來看磁芯,假設(shè)二極管是普通的一般的二極管,通態(tài)電壓大約為1V,電流為10A/200=50mA?! 〗涣鞴虘B(tài)繼電器,按導(dǎo)通與關(guān)斷的時(shí)機(jī),可分為隨機(jī)型交流固態(tài)繼電器和過零型交流固態(tài)繼電器。如何配用適當(dāng)?shù)纳崞鞒祟~定電流1—5A直接安裝在印刷線路板上的固態(tài)繼電器以外,其余都應(yīng)配置適當(dāng)?shù)纳崞?,而且SSR底板與散熱器之間要涂上導(dǎo)熱硅脂,兩者緊密接觸,用螺絲擰緊?! 、?準(zhǔn)確度的選擇。因儀表的準(zhǔn)確度越高,價(jià)格越貴,維修也較困難。而且,若其他條件配合不當(dāng),再高準(zhǔn)確度等級(jí)的儀表,也未必能得到準(zhǔn)確的測量結(jié)果。因此,在選用準(zhǔn)確準(zhǔn)確度較低的儀表可滿足測量要求的情況下,就不要選用高準(zhǔn)確度的儀表。
ACV242R-150A ACV242R-200A ACV242R-250A
ACV113R-15A ACV113R-20A ACV113R-32A
ACV113R-40A ACV113R-50A ACV113R-65A
ACV113R-80A ACV113R-100A ACV113R-125A
ACV113R-150A ACV113R-200A ACV113R-250A
ACV123R-15A ACV123R-20A ACV123R-32A
ACV123R-40A ACV123R-50A ACV123R-65A
ACV123R-80A ACV123R-100A ACV123R-125A
ACV123R-150A ACV123R-200A ACV123R-250A
ACV123R-300A ACV143R-300A ACV133R-300A
ACV133R-15A ACV133R-20A ACV133R-32A
ACV133R-40A ACV133R-50A ACV133R-65A
ACV133R-80A ACV133R-100A ACV133R-125A
ACV133R-150A ACV133R-200A ACV133R-250A
ACV143R-15A ACV143R-20A ACV143R-32A
ACV143R-40A ACV143R-50A ACV143R-65A
ACV143R-80A ACV143R-100A ACV143R-125A
ACV143R-150A ACV143R-200A ACV143R-250A
ACV213R-15A ACV213R-20A ACV213R-32A
ACV213R-40A ACV213R-50A ACV213R-65A
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 1、精確度儀表精確度科稱精度,又稱準(zhǔn)確度。精確度和誤差可以說是孿生兄弟,因?yàn)橛姓`差的存在,才有精確度這個(gè)概念。儀表精確度簡言之就是儀表測量值接近真值的準(zhǔn)確程度,通常用相對百分誤差(也稱相對折合誤差)表示?! ∵@種時(shí)間繼電器主要用于中等延時(shí)(0.05s~1h)。數(shù)字式時(shí)間繼電器采用數(shù)字脈沖計(jì)數(shù)電路,較之晶體管式時(shí)間繼電器來說,延時(shí)范圍更大,精度更很高,主要用于各種需要延時(shí)和延時(shí)時(shí)間較長的。這類時(shí)間繼電器功能特別強(qiáng),有通電延時(shí)、斷電延時(shí)、定時(shí)吸合、循環(huán)延時(shí)4種延時(shí)形式合十幾種延時(shí)范圍供用戶選擇,這是晶體管時(shí)間繼電器不可比擬的。 反向起動(dòng)轉(zhuǎn)動(dòng):當(dāng)正轉(zhuǎn)變反轉(zhuǎn)時(shí),按下反轉(zhuǎn)按鈕2,其常閉觸點(diǎn)先斷開,切斷正轉(zhuǎn)控制回路,使正轉(zhuǎn)器KM1斷電釋放,電源器KM也隨著斷電釋放,然后其常開觸點(diǎn)閉合,接通反轉(zhuǎn)控制回路,使反轉(zhuǎn)器KM2得電吸合并自鎖,電源器KM也得電吸合,電動(dòng)機(jī)接入反相序三相電源,反向起動(dòng)運(yùn)轉(zhuǎn)。
ACV213R-80A ACV213R-100A ACV213R-125A
ACV213R-150A ACV213R-200A ACV213R-250A
ACV213R-300A ACV223R-300A ACV233R-300A
ACV223R-15A ACV223R-20A ACV223R-32A
ACV223R-40A ACV223R-50A ACV223R-65A
ACV223R-80A ACV223R-100A ACV223R-125A
ACV223R-150A ACV223R-200A ACV223R-250A
ACV233R-15A ACV233R-20A ACV233R-32A
ACV233R-40A ACV233R-50A ACV233R-65A
ACV233R-80A ACV233R-100A ACV233R-125A
ACV233R-150A ACV233R-200A ACV233R-250A
ACV243R-15A ACV243R-20A ACV243R-32A
ACV243R-40A ACV243R-50A ACV243R-65A
ACV243R-80A ACV243R-100A ACV243R-125A
ACV243R-150A ACV243R-200A ACV243R-250A
ACV114R-15A ACV114R-20A ACV114R-32A
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 電流互感器代 縮寫為CT.電流互感器的倍率按條計(jì)算,電壓互感器的倍率是初級(jí)輸入電壓除以100,舉例某電壓互感器一次側(cè)電壓110KV,110KV/100V=1100,此時(shí)按電流互感器一次側(cè)匝數(shù)為2匝,倍率為40,則電表走一個(gè)字也就是一度電,實(shí)?! 」β实幕居?jì)算公式為——功率W(P)=電流A(I)*電壓V(U)。1.5P空調(diào)的開機(jī)瞬間功率峰值是1089W*3=3267W,則選擇不小于2.5平方的線。2P的空調(diào)的開機(jī)瞬間功率峰值是1452W*3=4356W,則選擇不小于4平方的線。的空調(diào)的開機(jī)瞬間功率峰值是2178W*3=6534W,則選擇不小于6平方的線?! ∧壳凹彝ナ褂肈Z系列的空氣開關(guān)(帶漏電保護(hù)的小型斷路器),常見的有以下規(guī)格:C16、C25、C32、0、C60、C80、C100、C120等規(guī)格,其中C表示脫扣電流,即起跳電流,也就說當(dāng)線路中的電流大于這個(gè)值的時(shí)候空氣開關(guān)就會(huì)自動(dòng)跳閘,從而起到保護(hù)電路的作用。
ACV114R-40A ACV114R-50A ACV114R-65A
ACV114R-80A ACV114R-100A ACV114R-125A
ACV114R-150A ACV114R-200A ACV114R-250A
ACV124R-15A ACV124R-20A ACV124R-32A
ACV124R-40A ACV124R-50A ACV124R-65A
ACV124R-80A ACV124R-100A ACV124R-125A
ACV124R-150A ACV124R-200A ACV124R-250A
ACV124R-300A ACV144R-300A ACV134R-300A
ACV134R-15A ACV134R-20A ACV134R-32A
ACV134R-40A ACV134R-50A ACV134R-65A
ACV134R-80A ACV134R-100A ACV134R-125A
ACV134R-150A ACV134R-200A ACV134R-250A
ACV144R-15A ACV144R-20A ACV144R-32A
ACV144R-40A ACV144R-50A ACV144R-65A
ACV144R-80A ACV144R-100A ACV144R-125A
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 自鎖與互鎖我們來看圖2a的控制回路,此時(shí)按下2,線圈KM1通電,此時(shí)器常開觸點(diǎn)KM1閉合,因此當(dāng)松開2時(shí),電動(dòng)機(jī)依然可以正轉(zhuǎn)——自鎖。但是此時(shí)有一個(gè)問題,即電動(dòng)機(jī)正轉(zhuǎn)過程中,按下3,會(huì)導(dǎo)致短路事故(主回路中器常開觸點(diǎn)KM1和KM2同時(shí)閉合,導(dǎo)致短路)?! ?zhǔn)確級(jí)是指在規(guī)定的二次負(fù)荷變化范圍內(nèi),一次電流為額定值時(shí)的電流誤差...電流互感器的準(zhǔn)確級(jí)次可以從設(shè)備的銘牌看出,也可以用儀器測得,測量的方法是測量在規(guī)定的二次負(fù)荷變化范圍內(nèi),一次電流為額定值時(shí)的電流誤差?! ∮晒こ處燑S文鑫撰寫,告訴大家技術(shù)論文有正確性、創(chuàng)新性、精簡性、統(tǒng)一性特點(diǎn),寫技術(shù)論文首先要進(jìn)行選題和材料收集,其次要有充實(shí)可信的內(nèi)容,行文要符合技術(shù)論規(guī)范,后選擇合適的平臺(tái)投稿,這樣才能順利發(fā)表自己精心寫作的技術(shù)論文2017/4/2522:27。
ACV144R-150A ACV144R-200A ACV144R-250A
ACV214R-15A ACV214R-20A ACV214R-32A
ACV214R-40A ACV214R-50A ACV214R-65A
ACV214R-80A ACV214R-100A ACV214R-125A
ACV214R-150A ACV214R-200A ACV214R-250A
ACV214R-300A ACV224R-300A ACV234R-300A
ACV224R-15A ACV224R-20A ACV224R-32A
ACV224R-40A ACV224R-50A ACV224R-65A
ACV224R-80A ACV224R-100A ACV224R-125A
ACV224R-150A ACV224R-200A ACV224R-250A
ACV234R-15A ACV234R-20A ACV234R-32A
ACV234R-40A ACV234R-50A ACV234R-65A
ACV234R-80A ACV234R-100A ACV234R-125A
ACV234R-150A ACV234R-200A ACV234R-250A
ACV244R-15A ACV244R-20A ACV244R-32A
ACV244R-40A ACV244R-50A ACV244R-65A
ACV244R-80A ACV244R-100A ACV244R-125A
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 檢查依據(jù):真空斷路器的壽命是由觸頭和真空度2項(xiàng)指標(biāo)來判斷:(1)測定觸頭磨損。采用在真空斷路器的觸頭連桿上刻上標(biāo)記來檢查或用游標(biāo)卡尺測定觸頭超行程。若動(dòng)、靜觸頭累積磨損厚度超出規(guī)定范圍,則表明真空泡的電壽命已終,應(yīng)更換真空泡?! ? 高需求的現(xiàn)象,在極大程度上帶動(dòng)起了高壓開關(guān)市場的迅速發(fā)展,"楊幟華對近幾年高壓開關(guān)產(chǎn)業(yè)快速發(fā)展的因素進(jìn)行了分析,在未來的幾十年內(nèi),以社會(huì)經(jīng)濟(jì)的不斷發(fā)展與科學(xué)技術(shù)進(jìn)一步的提升相結(jié)合的發(fā)展戰(zhàn)略目標(biāo),高壓開關(guān)項(xiàng)目市場前景誘人。
ACV244R-150A ACV244R-200A ACV244R-250A
ABH19-SLCRS-W4SRE-WF01
ABH09-SLCR-84S4S-WF01
ACV06-DDS-W6S6S-FR02
APS-SY-200-SA
ACV14-DRS-W41S41S-FR06
ABR12-DLCL-F4SEP-WF01
ABR09-DLCL-F4SEP-WF01
ABR14-DLCL-F4SEP-WF01
ABR18-DLCL-F4SEP-WF01
ASS-HBF14-JW10-CM
ABH13-SLCR-W6SIN-WF01
ABH14-SLCRS-W6SIN-WF01
ABF13-DLCD-W6HCRE-F02
ABF13-DLCD-W6HCRE-F01
ABF12-SLCR-W8SPE-FR01
ABF12-SLCR-W4SRE-FR01
ABH10-DLCR-4S4S6SL-WF01-H
ABH23-DLCD-W4S6L-WF01
ABH27-DLCD-W4S6L-WF01
ABH16-SLCD-W4S6L-WF01
APD-SY-160-SA
APS-SY-185-SA
APS-SY-140-SA
ASS-HBF6-JW10
ABF09-SLCR-W6HCRE-F02
ABF06-DLCR-84SPE-F01 2.軸伸長度軸伸長度與決定電機(jī)與設(shè)備軸向?qū)涌臻g的關(guān)鍵尺寸,如果軸伸過長且采用軸向?qū)臃绞?,勢必?huì)導(dǎo)致設(shè)備與電機(jī)相對空間過于緊張,致使電機(jī)和設(shè)備軸向受力嚴(yán)重,出現(xiàn)軸承受力損毀的事實(shí)。該問題對于皮帶輪傳動(dòng)的情況相對要好一些,但作為電機(jī)生產(chǎn)企業(yè),要保證客戶各種安裝方式的要求,所以該尺寸必須嚴(yán)格控制。
ASD-FBB-2-JF10-SO-ARC
ABH25-DLCD-W4S6S-WF01
ACV02-DR-W6SRT-FR01
AES06-DLCR-WFT1-FR02,
APD-SY-140-SA
ASS-ESB-14-JF10-SO
AGA16-DLCR-84S-LU
AGA13-DLCR-84S-LV
ASS-FBB18-JF10-SO
AHB-000-6AW150
ASS-HBF16-JW10-CCR-EXT
ASS-VNB01-JF10-CCR
ASS-HBFT14-JW10-SOCR
ASS-HBF16-JW10-SOCR-EXT
ASS-HBF14-JW10-SOCR 4.在電壓互感器二次接線上在b相接地系統(tǒng)中,①中性點(diǎn)需裝設(shè)擊穿器,增加了部件,正常時(shí)如擊穿器擊穿接地,將使b相繞組短路。②當(dāng)A、C兩相中任一相發(fā)生接地時(shí),即構(gòu)成二次繞組兩相短路,兩相熔斷器熔斷。在中性點(diǎn)接地系統(tǒng)中,無b相接地的相應(yīng)問題,接線較簡單。
ASS-HBF04-JW10-CP
ASS-ESB12-JF10-SOCR-EXT
ASO-HBF6-AW150
ASS-HBF3-JW10
ASS-32FB-PN40
ACV-G25-JF10
APD-SY-65-N
APS-SY-100-SA
APS-SY-65-SA
APS-SY-50-SA
APD-SY-80-N
ASC-VTB40-JF10
ASC-VTB25-JF10
SEGMANTAL BALL VALVE
AS10BFT08
批發(fā)韓國AND KOREA AD-4212A正品供應(yīng)-中山朗立 C三相,具體的區(qū)別是電動(dòng)機(jī)接線盒中的不同,三個(gè)接線片,一般不進(jìn)行隨便修改,我們只要了解他們的區(qū)別就行,圖2是星型,圖3是角型電動(dòng)機(jī)內(nèi)部有三組繞組,六個(gè)接線端,當(dāng)把三個(gè)繞組的一端連在一起,而另一端分別接電源。