產(chǎn)品詳情
韓國Jokwang ILI朝光JRV-FF12 65A質(zhì)保一年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
韓國Jokwang ILI朝光JRV-FF12 65A質(zhì)保一年 這兩種原因的綜合效果,將使通過繼電器線圈的電流,與電流互感器二次通入的故障電流有極大差異,致使繼電器的反應(yīng)不正常。鑒于以上兩點,在電力系統(tǒng)以及其它的高電壓互感器安裝點,按要求在電流互感器的二次側(cè)只準(zhǔn)許一點接地。
負(fù)序分量很小,故負(fù)序電壓元件的定值按正常運行時負(fù)序電壓濾過器的輸出不平衡電壓整定,一般去6-12V(二次電壓值),37,為什么有些大容量的變壓器及系統(tǒng)聯(lián)絡(luò)變壓器用負(fù)序電流和單相式低壓起動的過電流保護作為后備保護。
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
韓國Jokwang ILI朝光JRV-FF12 65A質(zhì)保一年 即使是三相式,也不能為Δ形接法的三相異步電動機的斷相運行提供充分保護,此時,應(yīng)選用JR20型或T系列這類帶有差動斷相保護機構(gòu)的熱繼電器,以上幾點就是我們在繼電器選型時需要注意的地方,其中一些雖然是針對熱繼電器。 1、斷相與相序保護繼電器用途:斷相保護器是為了保護電機,相序保護器是為了相線之間調(diào)換位置改變相序。3、相序保護繼電器是一種智能型電源保護器件,采用微控制器和數(shù)字處理技術(shù),集電壓顯示、過欠壓保護、缺相保護和相序保護功能于一體,中文液晶顯示,具有操作簡便、體積小巧、可靠性高等特點。
:家庭中能見到的斷路器,一般只有1P和2P的,1P,2P又叫做1級2級,每一級都對應(yīng)上下兩個接線柱,每一級的寬度是17.5毫米(例如,2P斷路器的寬度為17.5*2=35毫米)。1P與2P的區(qū)別在于,1P斷路器只能控制火線,而2P斷路器可以控制零線和火線。
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
韓國Jokwang ILI朝光JRV-FF12 65A質(zhì)保一年 1.校驗用電流互感器精度:0.1S級。誤差0.1%,常用于校驗計量級電流互感器的準(zhǔn)確度。2.計量用電流互感器精度:0.2S0.5級。誤差0.2%和0.5%,用于電費結(jié)算的依據(jù),部分也會使用0.5級3.測量級電流互感器:0.5級、1.0級,2.0級等,一般用于電流表?! ?.電流互感器的原理在原理上也與變壓器相似,如圖2所示。與電壓互感器的主要差別是:正常工作狀態(tài)下,一、二次繞組上的壓降很?。ㄗ⒁獠皇侵笇Φ仉妷海喈?dāng)于一個短路狀態(tài)的變壓器,所以鐵芯中的磁通Ф也很小,這時一、二次繞組的磁勢F(F=IW)大小相等,方向相反。
在現(xiàn)在的很多電工嚴(yán)重,將這些功率全部都加起來就可以了,其實這也是不對的,對于用電的設(shè)備來說,我們一方面是要將所有的電器設(shè)施都要計算上,里面的機床同樣是很關(guān)鍵的,還有電焊機等等,都是應(yīng)該要注意到的。我們在計算好這些功率以后,其實有經(jīng)驗的電工是要有一個系數(shù)的,這個系數(shù)就是為我們在以后增加機床設(shè)備使用到的,的進行下溝通,有什么樣的要求的,我們同樣要按照這些要求來執(zhí)行的。
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
使用二極管時其正負(fù)極性應(yīng)連接正確,且二極管V的耐壓要夠。需要指出的是RC消火花電路應(yīng)緊靠繼電器觸點安裝,并盡量使連接線短些,以保證消火花電路的效果。如某廠熱處理爐的溫度自動控制系統(tǒng),用溫度儀表及中間繼電器來控制器的通、斷進而控制電熱器。