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懷柔區(qū)SANIL開關(guān)SA-18MS-LS,M18,5mm,AC20-250V,中山立訊電氣有限公司銷售韓國unionelecom直流電源,開關(guān)電源，固態(tài)繼電器，噪聲濾波器等等產(chǎn)品，歡迎來電咨詢。
15-1500W,SINGLE,OUTPUT直流電源,開關(guān)電源unionelecom
UP15S05,UP15S12,UP15S15,UP15S24,UP30S05,UP30S12,UP30S15,UP30S24,UP50S05,UP50S12,UP50S15,UP50S24,UP75S05,UP75S12,UP75S15,UP75S24,UP75S48,UP100S05,UP100S12,UP100S15,UP100S24,UP150S05,UP150S12,UP150S15,UP150S24,UP150S48,UP200S05,UP200S12,UP200S15,UP200S24,UP220S12,UP220S15,UP220S24,UP300S12,UP300S24,UP400S12,UP400S24,UP500S05,UP500S12,UP500S24,UP600S05,UP600S12,UP600S24,UP650S12,UP650S24,UP750S12,UP750S24,UP850S12,UP850S24,UP1000S12,UP1000S24,UP1200S12,UP1200S24,UP1500S12,UP1500S24
15-150W,SINGLE-OUTPUT直流電源,開關(guān)電源unionelecom,1-Channel,type,S.M.P.S,檢查變頻器內(nèi)A10主板、A22電源板上的LED指示燈均正常，用試電筆測變頻器的進(jìn)線電源，發(fā)現(xiàn)有一相顯示不正常，用萬用表測量三相結(jié)果為:Vab=390V，Vac=190V，Vbc=190V。經(jīng)檢查系進(jìn)線端子排處接觸不良。ready指示燈是變頻器內(nèi)各種狀態(tài)信息的綜合反映，當(dāng)它不亮?xí)r可提示維護(hù)人員注意變頻器尚未就緒。此時(shí)在進(jìn)線電源不正常時(shí)變頻器的故障記錄中未能反映未就緒的原因，可能與電路的設(shè)計(jì)有關(guān)。(4)調(diào)試過程中變頻器啟動后即過流跳閘變頻器供貨方與被控設(shè)備的供貨方因溝通上的原因，在容量上不匹配(電機(jī)功率為30kW)。將變頻器的控制模式選為矢量控制，在輸入電機(jī)參數(shù)時(shí)，變頻器自動將電機(jī)的額定電流60A限定在45A。
UP15S05N,UP15S09N,UP15S12N,UP15S15N,UP15S24N,UP15S36N,UP15S48N,UP30S05N,UP30S09N,UP30S12N,UP30S15N,UP30S24N,UP30S36N,UP30S48N,UP50S05N,UP50S09N,UP50S12N,UP50S15N,UP50S24N,UP50S36N,UP50S48N,UP75S05N,UP75S12N,UP75S15N,UP75S24N,UP75S36N,UP75S48N,UP100S05N,UP100S12N,UP100S15N,UP100S24N,UP100S36N,UP100S48N,UP150S05,UP150S12,UP150S15,UP150S24,UP150S36,UP150S48
UP15S05L,UP15S12L,UP15S24L,UP30S05L,UP30S12L,UP30S24L,UP50S05L,UP50S12L,UP50S24L,UP75S05L,UP75S12L,
UP75S24L,UP100S12L,UP100S24L,UP150S05L,UP150S12L,UP150S24L,UP200S05L,UP200S12L,UP200S24L,UP350S05L,
UP350S12L,UP350S24L,
UP15DAA,UP15DAB,UP15DAC,UP15DAD,UP15DAE,UP15DBB,UP15DCC,UP15DDD,UP15DEE
UP30DAA,UP30DAB,UP30DAC,UP30DAD,UP30DAE,UP30DBB,UP30DCC,UP30DDD,UP30DEE,UP30DBA,UP30DCA,UP30DDA,UP30DEA
UP50DAA,UP50DAB,UP50DAC,UP50DAD,UP50DAE,UP50DBB,UP50DCC,UP50DDD,UP50DEE,UP50DBA,UP50DCA,UP50DDA,UP50DEA 是可以工作的，多數(shù)變頻器的母線電壓下限為400V，即是當(dāng)直流母線電壓降至400V以下時(shí)，變頻器才報(bào)告直流母線低電壓故障。當(dāng)兩相輸入時(shí)，直流母線電壓為380*1.2=452V400V。當(dāng)變頻器不運(yùn)行時(shí)，由于平波電容的作用，直流電壓也可達(dá)到正常值，新型的變頻器都是采用PWM控制技術(shù)，調(diào)壓調(diào)頻的工作在逆變橋完成，所以在低頻段輸入缺相仍可以正常工作，但因?yàn)檩斎腚妷旱洼敵鲭妷旱停斐僧惒诫姍C(jī)轉(zhuǎn)矩低，頻率上不去。3)變頻器顯示過流出現(xiàn)這種故障顯示時(shí)，首先檢查加速時(shí)間參數(shù)是否太短，力矩提升參數(shù)是否太大，然后檢查負(fù)載是否太重。如果無這些現(xiàn)象，可以斷開輸出側(cè)的電流互感器和直流側(cè)的霍爾電流檢測點(diǎn)，復(fù)位后運(yùn)行，看是否出現(xiàn)過流現(xiàn)象。
UP15TACC,UP15TADD,UP30TACC,UP30TADD,UP50TACC,UP50TADD
UP30S12W2,UP30S24W2,UP40S12W2,UP40S24W2,UP60S12W2,UP60S24W2,UP80S12W2,UP80S24W2,UP100S12W2,UP100S24W2
UP150S12W2,UP150S24W2,UP200S12W2,UP200S24W2,UP300S12W2,UP300S24W2
UP30S12F,UP30S24F,UPF24S24CF,UPF24S48CF,UPF30S24CF,UPF30S48CF
直流電源,開關(guān)電源,
UPF50S12CW,UPF50S24CW,UPF50S36CW,UPF50S48CW,
UPF60S12CW,UPF60S24CW,UPF60S36CW,UPF60S48CW
UPF75S12CW,UPF75S24CW,UPF75S36CW,UPF75S48CW
UPF100S12CW,UPF100S24CW,UPF100S36CW,UPF100S48CW
UPF125S12CW,UPF125S24CW,UPF125S36CW,UPF125S48CW
UPF150S12CW,UPF150S24CW,UPF150S36CW,UPF150S48CW
UPF200S12CW,UPF200S24CW,UPF200S36CW,UPF200S48CW,
UPF50S12W,UPF50S24W,UPF50S36W,UPF50S48W
UPF60S12W,UPF60S24W,UPF60S36W,UPF60S48W
UPF75S12W,UPF75S24W,UPF75S36W,UPF75S48W
UPF100S12W,UPF100S24W,UPF100S36W,UPF100S48W
UPF125S12W,UPF125S24W,UPF125S36W,UPF125S48W
UPF150S12W,UPF150S24W,UPF150S36W,UPF150S48W
UPF200S12W,UPF200S24W,UPF200S36W,UPF200S48W
中山立訊電氣有限公司銷售韓國unionelecom直流電源,開關(guān)電源，固態(tài)繼電器，噪聲濾波器等等產(chǎn)品，歡迎來電咨詢。
3-20AMP,DC24/60/120V,PDD0系列PCB固態(tài)繼電器unionelecom,
PDD0-103N,PDD0-105N,PDD0-208NHS,PDD0-608NHS,PDD0-108NHS,PDD0-215NHS,PDD0-615NHS,PDD0-115NHS,PDD0-220NHS,PDD0-620NHS
2-25AMP,AC240V,PDA1系列PCB固態(tài)繼電器unionelecom,本人認(rèn)為，啟動時(shí)變頻器輸出電壓和頻率是逐漸上升的，電機(jī)被水淋濕后，會造成輸出電流的變化率很高，從而引起直流回路過壓。(2)控制輥道電機(jī)的AEGMaxiverter-170/380變頻器出現(xiàn)速度反饋值大于速度設(shè)定值經(jīng)觀察發(fā)現(xiàn):a)在軋鋼過程中不存在這種情況，當(dāng)鋼離開輥道后，才出現(xiàn)這種情況;b)當(dāng)速度反饋值大于速度設(shè)定值時(shí)，直流回路電壓為額定電壓的125%，超過115%的極限設(shè)定值;c)變頻器的進(jìn)線電壓已超過上限;在軋鋼過程中，該變頻器控制的輥道電機(jī)將升速，當(dāng)鋼離開輥道后輥道電機(jī)速度降至原來的速度，因這臺變頻器未裝設(shè)制動裝置，減速時(shí)是通過電壓調(diào)節(jié)器限制制動電流以保持直流回路電壓不超過115%的極限設(shè)定值(缺省值)。
PDA1-202Z,PDA1-202R,PDA1-203Z,PDA1-203R,PDA1-205Z,PDA1-205R,PDA1-208Z,PDA1-208R,PDA1-208ZHL,PDA1-208ZHS,PDA1-215ZHL,PDA1-215ZHS,PDA1-225ZHL,PDA1-225ZHS
10-40AMP,DC24/60/120V,OUTPUT,SDD0系列單相固態(tài)繼電器unionelecom,
SDD0-210N,SDD0-610N,SDD0-110N,SDD0-220N,SDD0-620N,SDD0-120N,SDD0-230N,SDD0-630N,SDD0-130N,SDD0-240N,SDD0-640N,SDD0-140N
15-80AMP,AC240/460V,SDA1,SAA1系列單相固態(tài)繼電器
SDA1-215Z,SDA1-215R,SAA1-215Z,SDA1-415Z,SDA1-415R,SAA1-415Z,SDA1-225Z,SDA1-225R,SAA1-225Z,SDA1-425Z,SDA1-425R,SAA1-425Z,SDA1-240Z,SDA1-240R,SAA1-240Z,SDA1-440Z,SDA1-440R,SAA1-440Z,SDA1-250Z,SDA1-250R,SAA1-250Z,SDA1-450Z,SDA1-450R,SAA1-450Z,SDA1-260R,SAA1-260R,SDA1-460R,SAA1-460R,SDA1-280R,SAA1-280R,SDA1-480R,SAA1-480R
15-80AMP,AC240/460V,SDA2,SAA2系列2相固態(tài)繼電器unionelecom,SOLID,STATE,RELAY,SSR,
SDA2-215Z,SAA2-215Z,SDA2-415Z,SAA2-415Z,SDA2-225Z,SAA2-225Z,SDA2-425Z,SAA2-425Z,SDA2-240Z,SAA2-240Z,SDA2-440Z,SAA2-440Z,SDA2-250Z,SAA2-250Z,SDA2-450Z,SAA2-450Z,SDA2-260R,SAA2-260R,SDA2-460R,SAA2-460R,SDA2-280R,SAA2-280R,SDA2-480R,SAA2-480R
15-80AMP,AC240/460V,OUTPUT,SAA3,SDA3系列3相固態(tài)繼電器unionelecom,
SDA3-215Z,SAA3-215Z,SDA3-415Z,SAA3-415Z,SDA3-225Z,SAA3-225Z,SDA3-425Z,SAA3-425Z,SDA3-240Z,SAA3-240Z,SDA3-440Z,SAA3-440Z,SDA3-250Z,SAA3-250Z,SDA3-450Z,SAA3-450Z,SDA3-260R,SAA3-260R,SDA3-460R,SAA3-460R,SDA3-280R,SAA3-280R,SDA3-480R,SAA3-480R
SSR,15-40AMP,AC240/460V,CAA1,CDA1系列固態(tài)繼電器unionelecom,
CDA1-215Z,CDA1-215R,CAA1-215Z,CDA1-415Z,CDA1-415R,CAA1-415Z,CAA1-415Z,CDA1-225Z,CDA1-225R,CAA1-225Z,CDA1-425Z,CDA1-425R,CDA1-240Z,CAA1-425Z,CDA1-240R,CDA1-440Z,CAA1-240Z,CDA1-440R,CAA1-440Z
UF1SPN,UF2SPN,UF3SPN,UF6SPN單相噪聲濾波器,SPN系列NOISE,FILTER單相噪聲濾波器,1-6A,unionelecom
UF1SPE,UF2SPE,UF3SPE,UF6SPE單相噪聲濾波器,SPE系列NOISE,FILTER單相噪聲濾波器,1-6A,unionelecom
UF6STS,UF3STS,UF2STS,單相噪聲濾波器,2-6A,unionelecom,STS系列NOISE,FILTER單相噪聲濾波器,2-6A,unionelecom
SLS系列NOISE,FILTER單相噪聲濾波器,2-6A,unionelecom,UF2SLS,UF3SLS,UF6SLS
STC系列NOISE,FILTER單相噪聲濾波器,5-20A,unionelecom,UF20STC,UF15STC,UF10STC,UF5STC
SBS系列NOISE,FILTER單相噪聲濾波器,5-400A,unionelecom,
UF400SBS,UF300SBS,UF200SBS,UF150SBS,UF120SBS,UF100SBS,UF80SBS,UF60SBS,UF50SBS,
UF40SBS,UF30SBS,UF20SBS,UF15SBS,UF10SBS,UF6SBS,UF5SBS
SLC系列NOISE,FILTER單相噪聲濾波器,5-20A,unionelecom,
UF5SLC,UF10SLC,UF15SLC,UF20SLC
10-1000A,TBI系列NOISE,FILTER三相噪聲濾波器,10-1000A,unionelecom,
UF10TBI,UF20TBI,UF30TBI,UF40TBI,UF60TBI,UF80TBI,UF100TBI,UF120TBI,UF150TBI,UF190TBI,UF260TBI,UF380TBI,UF450TBI,UF660TBI,UF750TBI,UF1000TBI
5-450A,TBL系列NOISE,FILTER三相噪聲濾波器,unionelecom
UF450TBL,UF300TBL,UF200TBL,UF120TBL,UF100TBL,UF80TBL,UF60TBL,UF50TBL,UF40TBL,UF30TBL,UF20TBL,UF10TBL,,UF5TBL
5-450A,TBH系列NOISE,FILTER三相噪聲濾波器,unionelecom
UF450TBH,UF300TBH,UF200TBH,UF120TBH,UF100TBH,UF80TBH,UF60TBH,UF50TBH,UF40TBH,UF30TBH,UF20TBH,UF10TBH,,UF5TBH減少設(shè)備的沖擊和噪聲，延長設(shè)備的使用壽命。采用變頻調(diào)速控制后，使機(jī)械系統(tǒng)簡化，操作和控制更加方便，有的甚至可以改變原有的工藝規(guī)范，從而提高了整個(gè)設(shè)備的功能。例如，紡織和許多行業(yè)用的定型機(jī)，機(jī)內(nèi)溫度是靠改變送入熱風(fēng)的多少來調(diào)節(jié)的。輸送熱風(fēng)通常用的是循環(huán)風(fēng)機(jī)，由于風(fēng)機(jī)速度不變，送入熱風(fēng)的多少只有用風(fēng)門來調(diào)節(jié)。如果風(fēng)門調(diào)節(jié)失靈或調(diào)節(jié)不當(dāng)就會造成定型機(jī)失控，從而影響成品質(zhì)量。循環(huán)風(fēng)機(jī)高速啟動，傳動帶與軸承之間磨損非常厲害，使傳動帶變成了一種易耗品。在采用變頻調(diào)速后，溫度調(diào)節(jié)可以通過變頻器自動調(diào)節(jié)風(fēng)機(jī)的速度來實(shí)現(xiàn)，解決了產(chǎn)品質(zhì)量問題。此外，變頻器能夠很方便地實(shí)現(xiàn)風(fēng)機(jī)在低頻低速下啟動并減少了傳動帶與軸承之間的磨損。
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