韓國AUTOMA,ACV223R-20A 起訂量LIGHTSTAR韓國光星KTW-426B1S,KTW-426B2S,KTW-427A1S,KTW-427A2S,KTW-427B1S,KTW-427B2S,KTW-428A1S,KTW-428A2S,KTW-428B1S,KTW-428B2S,KTW-429A1S,KTW-429B1S,KTW-436A1S,KTW-436A2S,KTW-436B1S,KTW-436B2S,KTW-437A1S,KTW-437A2S,KTW-437B1S,KTW-437B2S,KTW-438A1S,KTW-438A2S,KTW-438B1S,KTW-438B2S,KTW-439A1S,KTW-439B1S,KTW-446A1S,KTW-446A2S,KTW-446B1S,KTW-446B2S,KTW-447A1S,KTW-447A2S,KTW-447B1S,KTW-447B2S,KTW-448A1S,KTW-448A2S,KTW-448B1S,KTW-448B2S,KTW-449A1S,KTW-449B1S,KTW-456A1S,KTW-456A2S,KTW-456B1S,KTW-456B2S,KTW-457A1S,KTW-457A2S,KTW-457B1S,KTW-457B2S,KTW-458A1S,KTW-458A2S,KTW-458B1S,KTW-458B2S,KTW-459A1S,KTW-459B1S,KBT-11,KBT-12,KBT-13,KBT-10,KBT-21,KBT-22,KBT-23,KBT-20,KBT-31,KBT-32,KBT-33,KBT-30,KBT-41,KBT-42,KBT-43,KBT-40,KBO-11,KBO-21,KBO-22,KBO-23,KBO-24,KBO-25,KBO-31,KTG-116A1S,KTG-116A2S,KTG-116B1S,KTG-116B2S,KTG-117A1S,KTG-117A2S,KTG-117B1S,KTG-117B2S,KTG-118A1S,KTG-118A2S,KTG-118B1S,KTG-118B2S,KTG-119A1S,KTG-119A2S,KTG-119B1S,KTG-119B2S,KTG-126A1S,KTG-126A2S,KTG-126B1S,KTG-126B2S,KTG-127A1S,KTG-127A2S,KTG-127B1S,KTG-127B2S,KTG-128A1S,KTG-128A2S,KTG-128B1S,KTG-128B2S,KTG-129A1S,KTG-129A2S,KTG-129B1S,KTG-129B2S,KTG-216A1S,KTG-216A2S,KTG-216B1S,KTG-216B2S,KTG-217A1S,KTG-217A2S,KTG-217B1S,KTG-217B2S,KTG-218A1S,KTG-218A2S,KTG-218B1S,KTG-218B2S,KTG-219A1S,KTG-219A2S,KTG-219B1S,KTG-219B2S,KTG-316A1S,KTG-316A2S,KTG-316B1S,KTG-316B2S,KTG-317A1S,KTG-317A2S,KTG-317B1S,KTG-317B2S,KTG-318A1S,KTG-318A2S,,韓國AUTOMA,ACV223R-20A 起訂量 圖1低壓斷路器的實物圖低壓斷路器主要由觸點系統(tǒng)、操作機構、和各種保護元件三大部分組成。它的觸點系統(tǒng)與器的觸點系統(tǒng)相似,主觸頭由耐弧合金(如銀鎢合金)制成,較大容量的還采用滅弧柵片滅弧,具有直接斷開負荷主回路的能力。
就目前而言,拆除電動機燒毀繞組的方法無外乎:明火加熱、電爐烘烤和不太多見的大電流加熱三種。但在使用這三種方法時絕大部分操作人員都是憑借經(jīng)驗來加熱的,借助溫控儀的不多見。因此由于經(jīng)驗掌握程度不同所帶來的差異,往往致使加熱溫度超過定子鐵芯所能承受的值(普通電動機該值一般為180-210℃左右),繼而導致定子鐵芯硅鋼片之間的絕緣被嚴重破壞。KTG-318B1S,KTG-318B2S,KTG-319A1S,KTG-319A2S,KTG-319B1S,KTG-319B2S,KTG-326A1S,KTG-326A2S,KTG-326B1S,KTG-326B2S,KTG-327A1S,KTG-327A2S,KTG-327B1S,KTG-327B2S,KTG-328A1S,KTG-328A2S,KTG-328B1S,KTG-328B2S,KTG-329A1S,KTG-329A2S,KTG-329B1S,KTG-329B2S,KTG-416A1S,KTG-416A2S,KTG-416B1S,KTG-416B2S,KTG-417A1S,KTG-417A2S,KTG-417B1S,KTG-417B2S,KTG-418A1S,KTG-418A2S,KTG-418B1S,KTG-418B2S,KTG-419A1S,KTG-419A2S,KTG-419B1S,KTG-419B2S,KTG-426A1S,KTG-426A2S,KTG-426B1S,KTG-426B2S,KTG-427A1S,KTG-427A2S,KTG-427B1S,KTG-427B2S,KTG-428A1S,KTG-428A2S,KTG-428B1S,KTG-428B2S,KTG-429A1S,KTG-429A2S,KTG-429B1S,KTG-429B2S,KTG-436A1S,KTG-436A2S,KTG-436B1S,KTG-436B2S,KTG-437A1S,KTG-437A2S,KTG-437B1S,KTG-437B2S,KTG-438A1S,KTG-438A2S,KTG-438B1S,KTG-438B2S,KTG-439A1S,KTG-439A2S,KTG-439B1S,KTG-439B2S,KTG-446A1S,KTG-446A2S,KTG-446B1S,KTG-446B2S,KTG-447A1S,KTG-447A2S,KTG-447B1S,KTG-447B2S,KTG-448A1S,KTG-448A2S,KTG-448B1S,KTG-448B2S,KTG-449A1S,KTG-449A2S,KTG-449B1S,KTG-449B2S,KTG-456A1S,KTG-456A2S,KTG-456B1S,KTG-456B2S,KTG-457A1S,KTG-457A2S,KTG-457B1S,KTG-457B2S,KTG-458A1S,KTG-458A2S,KTG-458B1S,KTG-458B2S,KTG-459A1S,KTG-459A2S,KTG-459B1S,KTG-459B2S,KTK-1161S,KTK-1162S,KTK-1162T,KTK-1163S,KTK-1163T,KTK-1171S,KTK-1172S,KTK-1172T,KTK-1173S,KTK-1173T,KTK-1181S,KTK-1182S,KTK-1182T,KTK-1183S,KTK-1183T,KTK-1191S,KTK-1192S,KTK-1192T,KTK-1193S,KTK-1193T,KTK-1261S,KTK-1262S,KTK-1262T,KTK-1263S,KTK-1263T,KTK-1271S,KTK-1272S,KTK-1272T,KTK-1273S,KTK-1273T,KTK-1281S,KTK-1282S,KTK-1282T,KTK-1283S,KTK-1283T,KTK-1291S,KTK-1292S,KTK-1292T,KTK-1293S,KTK-1293T,KTK-1361S,KTK-1362S,KTK-1362T,KTK-1363S,KTK-1363T,KTK-1371S,KTK-1372S,KTK-1373S,KTK-1373T,KTK-1381S,KTK-1382S,KTK-1382T,KTK-1383S,KTK-1383T,KTK-1391S,KTK-1392S,KTK-1392T,KTK-1393S,KTK-1393T,KTK-0161S,KTK-0162S,KTK-0162T,KTK-0163S,KTK-0163T,KTK-0171S,KTK-0172S,KTK-0172T,KTK-0173S,KTK-0173T,KTK-0181S,KTK-0182S,KTK-0182T,KTK-0183S,KTK-0183T,KTK-0191S,KTK-0192S,,韓國AUTOMA,ACV223R-20A 起訂量 二次回路正好相反,通常匝數(shù)多、電流小、與主回路隔離,不承受主回路對地電壓等。高壓電流互感器的兩個二次繞組的用途,是分別連接測量和保護儀表。有兩個二次繞組的高壓電流互感器名稱是—高壓多繞組電流互感器。它是一種將高壓系統(tǒng)中的電流或低壓系統(tǒng)中的大電流,變成標準的、方便于檢測的小電流的電器。
比如說1000KVA的變壓器,/100取整數(shù)倍后是10,那么高壓側(cè)電流就是10*5.5=55A,低壓側(cè)電流就是10*144=1440A2、線性系數(shù)法記住一個常用容量的變壓器高低壓側(cè)電流值,其它容量的可以進行線性推導比如說1000KVA的變壓器,高壓側(cè)電流計?。KTK-0192T,KTK-0193S,KTK-0193T,KTK-0261S,KTK-0262S,KTK-0262T,KTK-0263S,KTK-0263T,KTK-0271S,KTK-0272S,KTK-0272T,KTK-0273S,KTK-0273T,KTK-0281S,KTK-0282S,KTK-0282T,KTK-0283S,KTK-0283T,KTK-0291S,KTK-0292S,KTK-0292T,KTK-0293S,KTK-0293T,KTK-0361S,KTK-0362S,KTK-0362T,KTK-0363S,KTK-0363T,KTK-0371S,KTK-0372S,KTK-0373S,KTK-0373T,KTK-0381S,KTK-0382S,KTK-0382T,KTK-0383S,KTK-0383T,KTK-0391S,KTK-0392S,KTK-0392T,KTK-0393S,KTK-0393T,KTA-161A1S,KTA-161A2S,KTA-161A2T,KTA-161R1S,KTA-161R2S,KTA-161R2T,KTA-162A1S,KTA-162R1S,KTA-163A1S,KTA-163A2S,KTA-163R1S,KTA-163R2S,KTA-164A1S,KTA-164A2S,KTA-164R1S,KTA-164R2S,KTA-171A1S,KTA-171A2S,KTA-171A2T,KTA-171R1S,KTA-171R2S,KTA-171R2T,KTA-172A1S,KTA-172R1S,KTA-173A1S,KTA-173A2S,KTA-173R1S,KTA-173R2S,KTA-174A1S,KTA-174A2S,KTA-174R1S,KTA-174R2S,KTA-181A1S,KTA-181A2S,KTA-181A2T,KTA-181R1S,KTA-181R2S,KTA-181R2T,KTA-182A1S,KTA-182R1S,KTA-183A1S,KTA-183A2S,KTA-183R1S,,韓國AUTOMA,ACV223R-20A 起訂量 核心技術參數(shù)●額定電流:160A-630A●寬度:48mm和98mm●母排間距:185mm(也可提供100mm及60mm)●操作方式:單極和三極(聯(lián)動)●防護等級:IP30(市場的前面板保護)●不受外部環(huán)境影響,特別適合于箱變和柱上變配電箱等。
隔離開關必須到達分閘終點,斷開后同一極觸頭與閘刀間的距離符合產(chǎn)品規(guī)定,操作過程中不允許有卡住或其他妨礙動作的不正常現(xiàn)象,(5)接線端子良好,并與母線連接得當,不應使隔離開關受到機械應力,(6)隔離開關和操作機構所有需要緊固的零件均應緊固。KTA-183R2S,KTA-184A1S,KTA-184A2S,KTA-184R1S,KTA-184R2S,KTA-191A1S,KTA-191A2S,KTA-191A2T,KTA-191R1S,KTA-191R1S,KTA-191R2T,KTA-192A1S,KTA-192R1S,KTA-193A1S,KTA-193A2S,KTA-193R1S,KTA-193R2S,KTA-194A1S,KTA-194A2S,KTA-194R1S,KTA-194R2S,KTB-161A1S,KTB-161A2S,KTB-161A2T,KTB-161R1S,KTB-161R2S,KTB-161R2T,KTB-162A1S,KTB-162R1S,KTB-163A1S,KTB-163A2S,KTB-163R1S,KTB-163R2S,KTB-164A1S,KTB-164A2S,KTB-164R1S,KTB-164R2S,KTB-171A1S,KTB-171A2S,KTB-171A2T,KTB-171R1S,KTB-171R2S,KTB-171R2T,KTB-172A1S,KTB-172R1S,KTB-173A1S,KTB-173A2S,KTB-173R1S,KTB-173R2S,KTB-174A1S,KTB-174A2S,KTB-174R1S,KTB-174R2S,KTB-181A1S,KTB-181A2S,KTB-181A2T,KTB-181R1S,KTB-181R2S,KTB-181R2T,KTB-182A1S,KTB-182R1S,KTB-183A1S,KTB-183A2S,KTB-183R1S,KTB-183R2S,KTB-184A1S,KTB-184A2S,KTB-184R1S,KTB-184R2S,KTB-191A1S,KTB-191A2S,KTB-191A2T,,韓國AUTOMA,ACV223R-20A 起訂量 (下文所有固態(tài)繼電器均用SSR來表示)作為無機械觸點的開關功能元件,SSR的基本使用框圖如下:SSR的輸入控制方法和電路SSR的類型,型 很多,所以它的輸入控制方法和控制電路也相應較多。SSR之間的共同特點是驅(qū)動電流或驅(qū)動電壓很小,輸入一個很小的信 就可以時間對SSR輸出狀態(tài)通,斷的控制。
對交流電弧來說,近陰極處,在電弧過零時就會出現(xiàn)一個150V~250V的介質(zhì)強度,使電弧無法繼續(xù)維持而熄滅。由于柵片滅弧效應時要比直流時強得多,所以交流電器常常采用柵片滅弧。這些方法是主要針對一些低壓斷路器的,要了解采用這些方法的原因,就必須明確斷路器滅弧的原理,下面針對一些常用的斷路器討論。KTB-191R1S,KTB-191R1S,KTB-191R2T,KTB-192A1S,KTB-192R1S,KTB-193A1S,KTB-193A2S,KTB-193R1S,KTB-193R2S,KTB-194A1S,KTB-194A2S,KTB-194R1S,KTB-194R2S,KTH-U1162S,KTH-U1172S,KTH-U1182S,KTH-U1192S,KTH-U1262S,KTH-U1272S,KTH-U1282S,KTH-U1292S,KTH-U2162S,KTH-U2172S,KTH-U2182S,KTH-U2192S,KTH-U3162S,KTH-U3172S,KTH-U3182S,KTH-U3192S,KTH-U3262S,KTH-U3272S,KTH-U3282S,KTH-U3292S,KTH-U4162S,KTH-U4172S,KTH-U4182S,KTH-U4192S,KTH-U4262S,KTH-U4272S,KTH-U4282S,KTH-U4292S,KTH-U4362S,KTH-U4372S,KTH-U4382S,KTH-U4392S,KTH-B1161S,KTH-B1162S,KTH-B1171S,KTH-B1172S,KTH-B1181S,KTH-B1182S,KTH-B1191S,KTH-B1192S,KTH-B1261S,KTH-B1262S,KTH-B1271S,KTH-B1272S,KTH-B1281S,KTH-B1282S,KTH-B1291S,KTH-B1292S,KTH-B2161S,KTH-B2162S,KTH-B2171S,KTH-B2172S,KTH-B2181S,KTH-B2182S,KTH-B2191S,KTH-B2192S,KTH-B3161S,KTH-B3162S,KTH-B3171S,KTH-B3172S,KTH-B3181S,KTH-B3182S,KTH-B3191S,KTH-B3192S,KTH-B3261S,KTH-B3262S,KTH-B3271S,KTH-B3272S,KTH-B3281S,KTH-B3282S,KTH-B3291S,KTH-B3292S,KTH-B4161S,KTH-B4162S,KSP-1161,KSP-1162,KSP-1171,KSP-1172,KSP-1181,KSP-1182,KSP-1191,KSP-1192,KSP-2161,KSP-2162,KSP-2171,KSP-2172,KSP-2181,KSP-2182,KSP-2191,KSP-2192,KDX-AC,KDX-AN,KDX-BC,KDX-B2N,KDX-B1N,KDX-A1N,KDX-A1C,韓國AUTOMA,ACV223R-20A 起訂量 電機類型代 用:Y——表示異步電動機;T——表示同步電動機。電機特點代 是表示電機的性能、結(jié)構或用途而采用的漢語拼音字母。如YB:B表示隔爆型。設計序 是指電機產(chǎn)品設計的順序,用數(shù)字表示。如J2、JO2:2表示第二次設計。
:用一個插有鐵棒的通電線圈去吸引鐵屑,然后把通電線圈中的鐵棒換成銅棒去吸引鐵屑,我們發(fā)現(xiàn)在兩種情況下吸力大小不同,前者比后者大得多。這個現(xiàn)象說明不同的媒介質(zhì)對磁場的影響不同,影響的程度與媒介質(zhì)的導磁性能有關。