韓國AUTOMA,ASR125-50F3WT1-S/V-L/S-A/S精選推薦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AUTOMA,ASR125-50F3WT1-S/V-L/S-A/S精選推薦 這就是電流互感器,比較簡單,它的接法和電流表一樣只能串聯(lián),原因可以看一下前面我寫的為什么電流表只能串聯(lián)。還要注意電流互感器只允許在1.1倍的額定電流下長時間運行,一旦超過了容易損壞電流互感器,上面所說的額定電壓是指一次線圈(輸入端)可以接用的線路額定電壓?! ÷鍌惼澚\動電荷在磁場中所受到的力稱為洛倫茲力,即磁場對運動電荷的作。洛倫茲力的公式為F=qvB。荷蘭物理學(xué)家洛倫茲首先提出了運動電荷產(chǎn)生磁場和磁場對運動電荷有作的觀點,為紀念他,人們稱這種力為洛倫茲力。
五、熱繼電器的選用熱繼電器的保護對象是電動機,故選用時應(yīng)了解電動機的技術(shù)性能、啟動情況、負載性質(zhì)以及電動機允許過載能力等。(1)長期工作的電動機,可按電動機的額定電流選用熱繼電器。取熱繼電器整定電流的0.95~1.05倍或中間值等于電動機額定電流。
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AUTOMA,ASR125-50F3WT1-S/V-L/S-A/S精選推薦 而電弧存在的時間,是決定觸頭壽命的關(guān)鍵。3、交流斷路器通過直流電流只有原來的十分之一。交流斷路器通過的直流電流小一些,分斷時,盡管電弧時間長,但還是比較容易滅弧。自然保證了觸頭系統(tǒng)壽命和通過交流時一樣?! ≡趩蜗喈惒诫妱訖C的主繞組中通入單相正弦交流電后,將在電動機中產(chǎn)生一個振幅隨時間作正弦變化的脈振磁場,也就是說,磁場的位置固定(位于主繞組的軸線),而磁場的強弱卻按正弦規(guī)律變化。如果只接通單相異步電動機的主繞組的電源,電動機不能轉(zhuǎn)動。
因為是電位移矢量的通量,所以它可以表述為:通過任一閉合曲面的電位移通量,等于包圍在該閉合面內(nèi)自由電荷的代數(shù)和。2、關(guān)于定理的幾點說明(1)有介質(zhì)存在時的高斯定理是更普遍的規(guī)律,它概括了真空中的高斯定理。(2)在的高斯定理中,和不直接出現(xiàn),在電荷和介質(zhì)分布具有一定對稱性的情況下,可以由自由電荷的分布,求出的分布。
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AUTOMA,ASR125-50F3WT1-S/V-L/S-A/S精選推薦 清理時生產(chǎn)被中斷,會造成損失。因此,用戶需要一種免的解決方案。3、儀表解決方案儀表提供了兩個PP材質(zhì)的DN80(3”)水滴型天線物位計YR-RD99-DBXK4LMV,帶G11/2”工藝接頭。非式物位計裝在每個筒倉頂部,測量麩皮的物位并傳送到DCS集控室中。 ?。?1)檢查觸頭有無,滅弧罩是否清潔完整。(12)檢查觸頭是否緊密,三相是否同時,引接線螺母是否緊固。(13)操作機構(gòu)應(yīng)完好,動作應(yīng)靈活,分、合閘位置應(yīng)到位,頂絲、銷釘、拉桿等均應(yīng)正常。(14)對HR3型熔斷器式刀開關(guān),特別注意其同相內(nèi)上下觸頭的同時閉合和上下觸頭間的中心位置,以使緊密。
帶式揚聲器主要應(yīng)用于中高頻段,由于其頻響曲線平直,高頻上限極高,有著非常好的瞬態(tài)效果,因此可以方便的形成線性聲源。雖然人類電聲的歷史是如此曲折復(fù)雜,但如今確實涌現(xiàn)出非常多的優(yōu)秀創(chuàng)新型電聲揚聲器,而事實上,這些創(chuàng)新的揚聲器設(shè)計讓很多上世紀最好的電聲科學(xué)家絞盡腦汁。
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