韓國(guó)AUTOMA,AS80-25A企業(yè)郵編LIGHTSTAR韓國(guó)光星通訊模塊
KCDI,KCDO,KCAI,KCC-1 KCC-2,KCDA,KCDE,KCCC,KCUC,KCRC,KCPM-1,KCPM-2
LIGHTSTAR韓國(guó)光星電壓互感器/變壓器
KBO-11,KBO-12,KBO-13,KBO-21,KBO-22,KBO-23,KBO-31,KBO-32,KBO-33
KBO-41,KBO-42,KBO-43,KBO-51,KBO-52,KBO-53
KBQ-1,KBQ-2,KBQ-3,KBS-1,KBS-2,KBS-3,KBR-1,KBR-2,KBR-3
KBT-151,KBT-152,KBT-153,KBT-154,KBT-501,KBT-502,KBT-503,KBT-504
KBT-011,KBT-012,KBT-013,KBT-014,KBT-021,KBT-022,KBT-023,KBT-024
LIGHTSTAR韓國(guó)光星控制器
KCDM,KMO-01,KMO-02,KMPF,KZP-3,KDX-300 KDX-200 KDX-A/B KDO-100 KDQ-MR,韓國(guó)AUTOMA,AS80-25A企業(yè)郵編 觸摸屏(touch screen)又稱為“觸控屏”、“觸控面板”,是一種可接收觸頭等輸入訊號(hào)的感應(yīng)式液晶顯示裝置,當(dāng)接觸了屏幕上的圖形按鈕時(shí),屏幕上的觸覺(jué)反饋系統(tǒng)可根據(jù)預(yù)先編程的程式驅(qū)動(dòng)各種連結(jié)裝置,可用以取代機(jī)械式的按鈕面板,并借由液晶顯示畫(huà)面制造出生動(dòng)的影音效果。
低壓斷路器的主觸點(diǎn)是靠手動(dòng)操作或電動(dòng)合閘的。主觸點(diǎn)閉合后,自由脫扣機(jī)構(gòu)將主觸點(diǎn)鎖在合閘位置上。過(guò)電流脫扣器的線圈和熱脫扣器的熱元件與主電路串聯(lián),欠電壓脫扣器的線圈和電源并聯(lián)。當(dāng)電路發(fā)生短路或嚴(yán)重過(guò)載時(shí),過(guò)電流脫扣器的銜鐵吸合,使自由脫扣機(jī)構(gòu)動(dòng)作,主觸點(diǎn)斷開(kāi)主電路。
KDX-C KAM-A11 KAM-B11 KAK-A08 KAK-A11 KAK-B08 KAK-B11 KAM-11A
KAS-80C4 KAS-80B3 KAS-80A3 KAS-80A4 KAS-80B4 KAS-80C3
KDO-100 KDQ-200 KDU-100 KCP-12 KBK-01 KBK-03,KBK-6 KBC-03S KBC-06S
KBC-05S KBC-12S KBD-23E KBD-43E KBD-63E KBD-22E KBD-42E KBD-62E
KBF-23 KBF-43 KBF-63 KBF-22 KBF-42 KBF-62 KBF-13 KBF-12
KGD-08 KGD-10 KGD-12 KGD-16 KGD-20
KGM-08 KGM-10 KGM-12 KGM-16 KGM-20
KGC-30 KGC-50 KGC-100 KGC-150 KGC-75
KGC-30S KGC-50S KGC-100S KGC-150S KGC-75S
KGD-08C KGD-12C KGD-16C KGD-20C,韓國(guó)AUTOMA,AS80-25A企業(yè)郵編 2.7準(zhǔn)確度等級(jí):表示互感器本身誤差(比差和角差)的等級(jí)。電流互感器的準(zhǔn)確度等級(jí)分為0.001~1多種級(jí)別,與原來(lái)相比準(zhǔn)確度很大。用于發(fā)電廠、變電站、用電單位配電控制盤(pán)上的電氣儀表一般采用0.5級(jí)或0.2級(jí);用于設(shè)備、線路的繼電保護(hù)一般不低于1級(jí);用于電能計(jì)量時(shí),視被測(cè)負(fù)荷容量或用電量多少依據(jù)規(guī)程要求來(lái)選擇(見(jiàn)講)。
?。猩妱?dòng)勢(shì)一、動(dòng)生電動(dòng)勢(shì)導(dǎo)體或?qū)w回路在磁場(chǎng)中運(yùn)動(dòng)而產(chǎn)生的電動(dòng)勢(shì)稱為動(dòng)生電動(dòng)勢(shì)。(2)一般情況下,,積分是沿運(yùn)動(dòng)的導(dǎo)線段進(jìn)行,積分路徑上各點(diǎn)v及B都可能不同,不一定能提出積分 外。(3)當(dāng)導(dǎo)體為閉合回路時(shí),.注意:(1)仍然可以使用法拉第定律計(jì)算動(dòng)生電動(dòng)勢(shì):對(duì)于整體或局部在恒定磁場(chǎng)中運(yùn)動(dòng)的閉合回路,先求出該回路的磁通F與t的關(guān)系,再將對(duì)t求導(dǎo),即可求出動(dòng)生電動(dòng)勢(shì)的大小。
KGD-08N KGD-12N KGD-16N KGD-20N
KTD-161S,KTD-162S,KTD-162T,KTD-163S,KTD-163T,KTD-171S,KTD-172S,KTD-172T,KTD-173S,KTD-173T,KTD-181S,KTD-182S,KTD-182T,KTD-183S,KTD-183T,KTD-191S,KTD-192S,KTD-192T,KTD-193S,KTD-193T,KTD-261S,KTD-262S,KTD-262T,KTD-263S,KTD-263T,KTD-271S,KTD-272S,KTD-272T,KTD-273S,KTD-273T,KTD-281S,KTD-282S,KTD-282T,KTD-283S,KTD-283T,KTD-291S,KTD-292S,KTD-292T,KTD-293S,KTD-293T,KTD-361S,KTD-362S,KTD-362T,KTD-363S,KTD-363T,KTD-371S,KTD-372S,KTD-372T,KTD-373S,KTD-373T,KTD-381S,KTD-382S,KTD-382T,KTD-392S,KTD-461S,KTD-471S,KTD-481S,KTD-491S,KTD-462S,KTD-472S,KTD-482S,KTD-492S,KTD-561S,KTD-571S,KTD-581S,KTD-591S,KTD-562S,KTD-572S,KTD-582S,KTD-592S,KTD-661S,KTD-671S,KTD-681S,KTD-691S,KTD-662S,KTD-672S,KTD-682S,KTD-692S,KTD-761S,KTD-771S,KTD-781S,KTD-791S,KTD-762S,KTD-772S,KTD-782S,KTD-792S,KTD-861S,KTD-871S,KTD-881S,KTD-891S,KTD-862S,KTD-872S,KTD-882S,KTD-892S,KTD-392T,KTD-461T,KTD-471T,,韓國(guó)AUTOMA,AS80-25A企業(yè)郵編 按AC相短路時(shí)計(jì)算出的負(fù)序電流是,與保護(hù)裝置負(fù)序II段跳閘時(shí)的負(fù)序電流符合,高壓側(cè)零序I段保護(hù)未動(dòng)作原因在于不滿足零序保護(hù)動(dòng)作條件。三、終結(jié)果10kV線路發(fā)生AC兩相避雷器擊穿損壞后造成AC兩相接地故障。WDZ-5242保護(hù)裝置負(fù)序II段保護(hù)動(dòng)作跳開(kāi)6035斷路器,切除故障。
如果想學(xué)習(xí)器的接線,那么基本的兩個(gè)電路一定要懂,一個(gè)是自鎖一個(gè)是互鎖。自鎖電路自鎖的要點(diǎn),線圈吸合以后通過(guò)器自身的常開(kāi)點(diǎn)供電實(shí)現(xiàn)自鎖。自鎖用的按鈕開(kāi)關(guān)是自復(fù)開(kāi)關(guān)?;ユi電路經(jīng)典實(shí)用的控制電機(jī)正反轉(zhuǎn)的互鎖電路,在實(shí)際接線的時(shí)候把1和2兩個(gè)按鈕開(kāi)關(guān)機(jī)械互鎖。KTD-481T,KTD-491T,KTD-462T,KTD-472T,KTD-482T,KTD-492T,KTD-561T,KTD-571T,KTD-581T,KTD-591T,KTD-562T,KTD-572T,KTD-582T,KTD-592T,KTD-661T,KTD-671T,KTD-681T,KTD-691T,KTD-662T,KTD-672T,KTD-682T,KTD-692T,KTD-761T,KTD-771T,KTD-781T,KTD-791T,KTD-762T,KTD-772T,KTD-782T,KTD-792T,KTD-861T,KTD-871T,KTD-881T,KTD-891T,KTD-862T,KTD-872T,KTD-882T,KTD-892T,KTD-892S,KTD-893T,KTD-893S,KSD-161S,KSD-161T,KSD-162S,KSD-162T,KSD-171S,KSD-171T,KSD-172S,KSD-172T,KSD-181S,KSD-181T,KSD-182S,KSD-182T,KSD-191S,KSD-191T,KSD-192S,KSD-192T,KSD-261S,KSD-261T,KSD-262S,KSD-262T,KSD-271S,KSD-271T,KSD-272S,KSD-272T,KSD-281S,KSD-281T,KSD-282S,KSD-282T,KSD-291S,KSD-291T,KSD-292S,KSD-292T,KSD-361S,KSD-361T,KSD-362S,KSD-362T,KSD-371S,KSD-371T,KSD-372S,KSD-372T,KSD-381S,KSD-381T,KSD-382S,KSD-382T,KSD-391S,KSD-391T,KSD-392S,KSD-392T,KSD-461S,KSD-461T,KSD-462S,KSD-462T,KSD-471S,KSD-471T,KSD-481S,KSD-491S,KSD-561S,KSD-571S,KSD-581S,KSD-591S,KSD-661S,KSD-671S,KSD-681S,KSD-691S,KSD-761S,KSD-771S,KSD-781S,KSD-791S,KSD-861S,KSD-871S,KSD-881S,KSD-891S,KSF-161S,KSF-171S,KSF-181S,KSF-191S,KSD-481T,KSD-491T,KSD-561T,KSD-571T,KSD-581T,KSD-591T,KSD-661T,KSD-671T,KSD-681T,KSD-691T,KSD-761T,KSD-771T,KSD-781T,KSD-791T,KSD-861T,KSD-871T,KSD-881T,KSD-891T,KSF-161T,KSF-171T,KSF-181T,KSF-191T,KTI-1161S,KTI-1162S,KTI-1171S,KTI-1172S,KTI-1181S,KTI-1182S,KTI-1191S,KTI-1192S,KTI-1261S,KTI-1262S,KTI-1271S,KTI-1272S,KTI-1281S,KTI-1282S,KTI-1291S,韓國(guó)AUTOMA,AS80-25A企業(yè)郵編 這就說(shuō)明由于C相二次極性接反,當(dāng)一次側(cè)A、C相短路后繼電器KA有可能不動(dòng)作。4、三相完全星形接線三相完全星形接線如圖5所示。用于相負(fù)荷平衡度大的三相負(fù)荷的電流測(cè)量以及電壓為380/220V的三相四線制測(cè)量?jī)x表,每相負(fù)荷不對(duì)稱情況,若任一相極性接反,流過(guò)中性線的電流將增大。
在非正弦電路中,有功功率和視在功率的定義不變,然而,此時(shí),電壓、電流相位差已經(jīng)沒(méi)有明確的物理意義,此時(shí),Q按照下述公式定義:式中,Un、In為n次諧波的有效值,當(dāng)n=1時(shí),U1、I1稱為基波有效值。然而,此時(shí),由于Q與基波及諧波電壓、電流的相位角相關(guān),稱為位移無(wú)功功率。KTI-1292S,KTI-2161S,KTI-2162S,KTI-2171S,KTI-2172S,KTI-2181S,KTI-2182S,KTI-2191S,KTI-2192S,KTI-3161S,KTI-3162S,KTI-3171S,KTI-3172S,KTI-3181S,KTI-3182S,KTI-3191S,KTI-3192S,KTI-3261S,KTI-3262S,KTI-3271S,KTI-3272S,KTI-3281S,KTI-3282S,KTI-3291S,KTI-3292S,KTI-4161S,KTI-4162S,KTI-4171S,KTI-4172S,KTI-4181S,KTI-4182S,KTI-4191S,KTI-4192S,KTI-4261S,KTI-4262S,KTI-4271S,KTI-4272S,KTI-4281S,KTI-4282S,KTI-4291S,KTI-4292S,KTI-4361S,KTI-4362S,KTI-4371S,KTI-4372S,KTI-4381S,KTI-4382S,KTI-4391S,KTI-4392S,KTI-4461S,KTI-4462S,KTI-4471S,KTI-4472S,KTI-4481S,KTI-4482S,KTI-4491S,KTI-4492S,KTI-4561S,KTI-4562S,KTI-4571S,KTI-4572S,KTI-4581S,KTI-4582S,KTI-4591S,KTI-4592S,KSL-161,KSL-162,KSL-171,KSL-172,KSL-181,KSL-182,KSL-191,KSL-192,KSL-261,KSL-262,KSL-271,KSL-272,KSL-281,KSL-282,KSL-291,KSL-292,KSL-361,KSL-362,KSL-371,KSL-372,KSL-381,KSL-382,KSL-391,KSL-392,KSB-161,KSB-162,KSB-171,KSB-172,KSB-181,KSB-182,KSB-191,KSB-192,KSB-261,KSB-262,KSB-271,KSB-272,KSB-281,KSB-282,KSB-291,KSB-292,KTW-116A1S,KTW-116A2S,KTW-116B1S,KTW-116B2S,KTW-117A1S,KTW-117A2S,KTW-117B1S,KTW-117B2S,KTW-118A1S,KTW-118A2S,KTW-118B1S,KTW-118B2S,KTW-119A1S,KTW-119A2S,KTW-119B1S,KTW-119B2S,KTW-126A1S,KTW-126A2S,KTW-126B1S,KTW-126B2S,KTW-127A1S,KTW-127A2S,KTW-127B1S,KTW-127B2S,KTW-128A1S,KTW-128A2S,KTW-128B1S,KTW-128B2S,KTW-129A1S,KTW-129A2S,KTW-129B1S,KTW-129B2S,KTW-216A1S,KTW-216A2S,KTW-216B1S,KTW-216B2S,KTW-217A1S,KTW-217A2S,KTW-217B1S,KTW-217B2S,KTW-218A1S,KTW-218A2S,KTW-218B1S,KTW-218B2S,KTW-219A1S,KTW-219B1S,KTW-326A1S,KTW-326A2S,KTW-326B1S,KTW-326B2S,KTW-327A1S,KTW-327A2S,KTW-327B1S,KTW-327B2S,KTW-328A1S,KTW-328A2S,KTW-328B1S,KTW-328B2S,KTW-329A1S,KTW-329B1S,KTW-426A1S,KTW-426A2S,韓國(guó)AUTOMA,AS80-25A企業(yè)郵編 工作溫度繼電器按規(guī)范安裝或不安裝散熱板時(shí),其正常工作的環(huán)境溫度范圍。技術(shù)術(shù)語(yǔ)環(huán)境溫度范圍:固態(tài)繼電器正常工作時(shí)周?chē)諝鉁囟葮O限,通常給出工作和貯存兩種條件下的溫度值,最大溫度還受散熱器和功率因素的限制。
指代其在電路中所起到的作用,也就是說(shuō)電路中的隔離開(kāi)關(guān)可能是刀開(kāi)關(guān),但也有可能是轉(zhuǎn)換開(kāi)關(guān),甚至斷路器,這是根據(jù)國(guó)家標(biāo)準(zhǔn)所折的不同之處,接著從性能使用及作用來(lái)指出兩者的差異,先說(shuō)刀開(kāi)關(guān),我們知道:刀開(kāi)關(guān)主要是用來(lái)作為各種設(shè)備和供電線路的電源隔離。