口碑好的韓國電源powerplaza,PS25-24-3R3制造廠家中山朗立電氣有限公司DAEHAN SENSOR CO.LTD(DHS)韓國大韓傳感器
DLF-S DLF-BS DLF-SL DLF-LB-1S DLF-103 DLF-303 DLF-503 DLF-1
DLF-2 DLF-3 DLF-4 DLF-4P-4S-GH DLF-4P-4S-FH DLF-4P-4S-G DE-5H
DLF-4P-4S-F DLF-4P-4T DLF-4P-4V DLF-4P-4N DLF-4P-4P DLF-4P-4S
表DI-65A DI-100A DI-100D DL-200D DLC-2M DEC-4U2WN DEC-5U-2WN
DFI-24V DFI-24VN DFIC-4D DFIC-4DN DFIC-4U DFIC-4P DFIC-4U-M
DPC-10 DFC-2U DFC-4U DFC-4U-2W DFC-4U-2WN DLC-4P DLC-4U-MC
DLF-4P-1S DLF-1P-1S DLF-4P-4S DLF-1P-1P DLF-4P-1P DLF-4P-4P
DLF-1P-1N DLF-4P-4N DLF-1P-1V DLF-4P-1V DLF-4P-4P DLF-1P-1T
DLF-4P-1T DLF-4P-4T DLF-4P-1S-F DLF-4P-4S-F DLF-1P-1S-G DE-5F
DLF-4P-4S-G DLF-1P-1S-FH DLF-4P-1S-FH DLF-4P-1S-GH DQ-4F DQ-4S
DFS-1B DFS-4B DFS-2S DFS-3S DFS-4S DU-03 DU-05 DU-08 DU-08-E DU
DU-08-B DPS-500 DPS-500L DRF-100S DRF-200F DRF-200S DC-103 DC-300
DC-100S DC-100F DC-300 DCAL-100S DVS-100 DVS-100-E DSP-100 DSP-200
口碑好的韓國電源powerplaza,PS25-24-3R3制造廠家 以下是電流互感器的幾種接線方法:A圖A,一臺互感器接線,主要用于測量對稱三相電路中線路上的電流。B圖B,三臺互感器星形接線方法,可測量對稱和不對稱三相電路(包括三相四線)中線路上的電流。C圖C,兩臺互感器V形接線方法,測量對稱和不對稱三相三線電路中線路上的電流。 電壓互感器的作用就是將高電壓按照一定比例關(guān)系,轉(zhuǎn)換成100V或者是等級更低的標準二次電壓,來為保護、計量以及儀表裝置的運行提供電能。同時,電壓互感器的另一個作用是將高電壓與工作人員隔離開來。雖然電壓互感器的工作原理也是按照電磁感應(yīng)原理進行的,但是其電磁結(jié)構(gòu)的關(guān)系與電流互感器相比正好是相反狀態(tài)。
容抗同樣會引起電流與電容兩端電壓的相位差。Xc=1/(ω*C)ω---角(單位:弧度/每秒rad/s)C---電容(單位:法拉F)Xc=1/(2*π*f*C)f---(單位:赫茲Hz)C---電容(單位:法拉F)角---在簡諧振動中,的2π倍叫角。
DSP-300 DLG-100F-T-2S DMC-100S DMC-3S DH-100F DH-100S DH-200S
DGS-100A DGS-100 DGL-200 DGL-200L DT-200 DT-300 DT-400 DT-500
DT-600 DF-4P-4S DF-4P-4S-2W DF-4S DF-4S-2W DF-300 DF-300-2W DF-500
DF-500-2W DF-600 DF-600-2W DC-300-B DQS-4S DQS-4S-2W DQL-4F DQL-4F-2W
DQH-4F DQH-4F-2W DR-5H DE-5H-2W DE-5F DE-5F-2W DE-5S DR-5S-2W
DT-200 DT-300 DT-400 DT-500 DT-600 DF-4P DF-4S DF-300 DF-400
DGS-100 DGS-100A DGS-500 DGL-200 DGL-200L DPS-500 DPS-500L DC-100S
DRF-100S DRF-200F DMC-3S DMC-100S DFS-1S DFS-2S DH-100F DH-100S DH-200S
HL-100 HL-101 HL-400 DLT-1100 DP-100S DLF-1 DLF-S DLF-BS DLF-SL DLF-LB-1S
DLF-1P-1S DLF-4P-1S DLF-4P-4S DLF-4P-4P DLF-4P-1N DLF-4P-4N DLF-4P-1V
DLF-4P-4V DLF-4P-1S-F DLF-4P-4S-F DLF-4P-1S-G DLF-4P-4S-G DLF-4P-1S-FH
DLF-4P-4S-FH DLF-4P-1S-GH DLF-3P-1S-GH DLF-4P-4S-GH DLF-103 DLF-303
口碑好的韓國電源powerplaza,PS25-24-3R3制造廠家 尚應(yīng)符合產(chǎn)品技術(shù)文件規(guī)定,2,48V及以下電壓等級回路可不做交流耐壓試驗,3,回路中有電子元器件設(shè)備的,試驗時應(yīng)將插件拔出或?qū)⑵鋬啥硕探樱诘蛪撼商组_關(guān)設(shè)備中,其內(nèi)部的導(dǎo)線顏色標識按照GB7947-2010人機界面標志標識的基本和規(guī)則導(dǎo)體顏色或字母數(shù)字標識來定義! 電弧出現(xiàn)后,利用電弧電阻限制短路電流上升,同時因脫扣機構(gòu)動作,動觸頭打開,觸頭開距繼續(xù)增大,弧柱電阻也進一步增大,在4-5M內(nèi)將短路電流限制到實際分斷電流,在8-10m內(nèi)分斷短路電流,在正常情況下的斷開和閉合都由上半部Y型斷路器來完成。
[3]繼電器的接點多種多樣,可分為單組接點繼電器和多組接點繼電器兩大類。其中,單組接點繼電器又分為常開接點(動合接點,簡稱H接點)、常閉接點(動斷接點,簡稱D接點)和轉(zhuǎn)換接點(簡稱Z接點)三種(圖3)。多組接點繼電器既可以包括多組相同形式的接點,又可以包括多組不同形式的接點。
DLF-503A DFIC-4U DFIC-4P DFIC-4U-M DFIC-4D DFIC-4DN DFI-24VN DFI-24V
DPC-10 DPC-2U DPC-3U DPC-3U-2W DPC-4U DPC-4U-2W DPC-3U-2WN DLC-2M-AL
DLC-3U DLC-3U-2W DLC-4U DLC-4U-2W DLC-4U-MC DLC-4U-M-2W DLC-2M DLC-3M
DEC-4U-2WN DEC-5U-2WN DQC-3UN DQC-4U-M-2W DQC-4U-MC-2W DPS-6000 DPI-5000
DI-200D DI-100A DI-65A DI-100D轉(zhuǎn)換器DT-200R DI-65A DI-100A DI-100D DL-200D
DLF-S DLF-BS DLF-SL DLF-LB-1S DLF-103 DLF-303 DLF-503 DLF-1 DLC-4U-M-2W
DLF-2 DLF-3 DLF-4 DLF-4P-4S-GH DLF-4P-4S-FH DLF-4P-4S-G DC-300-B
DLF-4P-4S-F DLF-4P-4T DLF-4P-4V DLF-4P-4N DLF-4P-4P DLF-4P-4S
DFI-24V DFI-24VN DFIC-4D DFIC-4DN DFIC-4U DFIC-4P DFIC-4U-M
DPC-10 DFC-2U DFC-4U DFC-4U-2W DFC-4U-2WN DLC-4P DLC-4U-MC DLC-4U-M-2W
DLC-2M DLC-3M DEC-4U2WN DEC-5U-2WN DLF-503 DLC-4P DE-5S
DLF-4P-1S DLF-1P-1S DLF-4P-4S DLF-1P-1P DLF-4P-1P DLF-4P-4P
DLF-1P-1N DLF-4P-4N DLF-1P-1V DLF-4P-1V DLF-4P-4P DLF-1P-1T
口碑好的韓國電源powerplaza,PS25-24-3R3制造廠家 以此類推就是表示能夠控制三個線路的通斷,一般在380V的三相電機上能夠用到。可能會有朋友會問那2P和1P+N有什么區(qū)別呢,N一般表示零線,而1P只能控制一個線路的通斷,所以當短路時,2P的那個零線能夠斷開,但是1P+N的不能斷開。 三相繞組可為星形或者三角形聯(lián)結(jié),相繞組由支路構(gòu)成,支路有若干線圈組構(gòu)成,線圈組又有分線圈構(gòu)成。并且還有單雙層之分。(這是對于雙速電機來說的)一般來說,按照功率來分4千瓦以下的電機一般接成星形,大于4千瓦的電機接成三角形。
圖2電流互感器的原理.keke_ds{margin:10pxauto;display:block;cursor:pointer;width:134px;height:49px;background-image:url('source/plugin/keke_ds/tem
DLF-4P-1T DLF-4P-4T DLF-4P-1S-F DLF-4P-4S-F DLF-1P-1S-G
DLF-4P-4S-G DLF-1P-1S-FH DLF-4P-1S-FH DLF-4P-1S-GH
DFS-1B DFS-4B DFS-2S DFS-3S DFS-4S DU-03 DU-05 DU-08 DU-08-E DU
DU-08-B DPS-500 DPS-500L DRF-100S DRF-200F DRF-200S DC-103
DC-100S DC-100F DC-300 DCAL-100S DVS-100 DVS-100-E DSP-100 DSP-200
DSP-300 DLG-100F-T-2S DMC-100S DMC-3S DH-100F DH-100S DH-200S
DGS-100A DGS-100 DGL-200 DGL-200L DT-200 DT-300 DT-400 DT-500
DT-600 DF-4P-4S DF-4P-4S-2W DF-4S DF-4S-2W DF-300 DF-300-2W DF-500
DF-500-2W DF-600 DF-600-2W DC-300-B DQS-4S DQS-4S-2W DQL-4F DQL-4F-2W
DQH-4F DQH-4F-2W DR-5H DE-5H-2W DE-5F DE-5F-2W DE-5S DR-5S-2W
口碑好的韓國電源powerplaza,PS25-24-3R3制造廠家 :瞬時功率是指某一時刻電壓與電流的乘積,記瞬時電壓為u(t),瞬時電流為i(t),瞬時功率為p(t),則:在交流電路中,有功功率是指一個周期內(nèi)發(fā)出或負載消耗的瞬時功率的積分的平均值(或負載電阻所消耗的功率),因此,也稱平均功率! 〔捎糜性撮_關(guān)電路可以保證在較高的轉(zhuǎn)換效率下實現(xiàn)電源電壓大幅度變化時恒功率輸出。LED在目前階段,其光效還遠未達到可以取代三基色熒光燈的程度,但是以其獨特的長處,可以在特地電壓(游泳池,劃水池內(nèi)水下燈具,礦燈)條件下工作。
1、額定電壓(1)額定工作電壓斷路器的額定工作電壓是指與能斷能力及使用類別相關(guān)的電壓值。對多相電路是指相間的電壓值。(2)額定絕緣電壓斷路器的額定絕緣電壓是指設(shè)計斷路器的電壓值,電氣間隙和爬電距離應(yīng)參照這些值而定。