AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″歡迎來電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
AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″歡迎來電 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),線圈吸合以后通過器自身的常開點(diǎn)供電實(shí)現(xiàn)自鎖。自鎖用的按鈕開關(guān)是自復(fù)開關(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)按鈕開關(guān)機(jī)械互鎖?! ∵@是一般的情況,還有特例的。比如下圖的兩個(gè)銘牌,是以按電壓的高低來區(qū)分接線方式的。那么問題來了我們遇到這種情況有沒有想過這樣一個(gè)問題:這樣接的目的是啥,我們?nèi)绻凑浙懪平泳筒粫袉栴}了嗎。。對于這個(gè)問題的回答我想用個(gè)實(shí)例來說明下:我們廠里邊出現(xiàn)了這種三相電動機(jī)也就是雙電壓電動機(jī),當(dāng)時(shí)由于是晚上加班處理的,安裝設(shè)備的廠家沒有來,由于明天要試機(jī),就指派我們?nèi)ヌ幚怼?img alt="AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″歡迎來電" src="http://myvip7.jdzj.com/UserDocument/mallpic/lixun98/Picture/190605104229204.jpg" />
二次繞組直接均勻地纏繞在圓形鐵心上,與儀表、繼電器、變送器等電流線圈的二次負(fù)荷串聯(lián)形成閉合回路,由于穿心式電流互感器不設(shè)一次繞組,其變比根據(jù)一次繞組穿過互感器鐵心中的匝數(shù)確定,穿心匝數(shù)越多,變比越小;反之,穿心匝數(shù)越少,變比越大,額定電流比:式中I1——穿心一匝時(shí)一次額定電流;n——穿心匝數(shù)。
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
AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″歡迎來電 當(dāng)帶電粒子的速度垂直于磁感應(yīng)強(qiáng)度B的方向時(shí),電荷受力。若電荷靜止不動,則電荷不受力作用。磁力只作用在運(yùn)動電荷上,這是磁力與電力的顯著不同。磁感應(yīng)強(qiáng)度B的單位:T(特斯拉),量綱:[MT-2I-1]可以用電磁鐵來產(chǎn)生磁場,在下圖所示的電磁鐵兩極表面之間約4-10cm寬的空氣隙中,可以產(chǎn)生3T的強(qiáng)磁場?! ‘?dāng)負(fù)載為星形連接時(shí),且各相負(fù)載平衡時(shí),IL=IΦ當(dāng)負(fù)載為三角形連接時(shí),且各相負(fù)載平衡時(shí),UL=UΦ因此不論負(fù)載是星形還是三角形,將以上關(guān)系式代入P=3UΦIΦcosΦ中得:同理,三相對稱負(fù)載的無功功率為:由視在功率得出:注意:上述公式中字UL、IL是線電壓和線電流。
趨勢讀定法整定PID參數(shù)需要觀察這些曲線:對于單回路控制系統(tǒng)我們要收集的曲線有:設(shè)定值、被調(diào)量波動曲線、PID輸出;串級調(diào)節(jié)系統(tǒng),要收集設(shè)定值、被調(diào)量波動曲線、主調(diào)PID輸出、副調(diào)的被調(diào)量曲線和PID輸出曲線。1、從自動調(diào)節(jié)系統(tǒng)投自動中總結(jié)趨勢讀定法白志剛坦言他剛上班的時(shí)候,對自動調(diào)節(jié)系統(tǒng)一竅不通。
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
AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″歡迎來電 當(dāng)然和工程師相比還是有很大差距的,我覺得無論是選擇框架斷路器,還是塑殼斷路器,主要是要結(jié)合自身的情況,比方說要操作檢修方便,分段能力高,那顯然框架斷路器更合適,塑殼斷路器與框架斷路器的區(qū)別和選用(1)塑殼斷路器和框架斷路器同是斷路器產(chǎn)品中使用十分普遍的產(chǎn)品?! 』ユi的作用只是為了避免觸點(diǎn)的競爭,它不能引起操作功能出錯(cuò)。這一點(diǎn)尤為重要。1、不可互換工作的互鎖不可互換工作的互鎖電原理圖如下:不可互換工作的互鎖其工作原理是:當(dāng)KM1閉合后,其常閉觸點(diǎn)斷開,使其KM2的控制回路不起作用。
?、诟行载?fù)載,如熒光燈,電視機(jī),洗衣機(jī),等計(jì)算稍微復(fù)雜,要考慮消耗功率,具體計(jì)算還要考慮功率因數(shù)等,為便于估算,筆者給出一個(gè)簡單的計(jì)算方法,即一般感性負(fù)載,根據(jù)其注明負(fù)載計(jì)算出來的功率在翻一倍即可,例如。
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