YOKOGAWA AAI543

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電話:18150087953 / 18005022138

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Email:[email protected]

描述

YOKOGAWA AAI543
按常規(guī)設(shè)計的異步電動機(jī),均設(shè)計在額定頻率和額定電壓下運(yùn)行的,只有瞞住運(yùn)行條件才能確保電動機(jī)軸上輸出轉(zhuǎn)矩、輸出功率達(dá)到額定值。然而在變頻調(diào)速工況下運(yùn)行的電動機(jī),其輸入電流的頻率是個變量,通過改變輸入電流的頻率即可實現(xiàn)異步電動機(jī)轉(zhuǎn)速的調(diào)節(jié)。但由于輸入電流頻率的變化,故對電動機(jī)輸出的軸功率會造成影響。所以對不同拖動系統(tǒng)電動機(jī)容量的選擇上,應(yīng)考慮這種影響而有一定的容量裕度。
通常使用中異步電動機(jī),均在額定功率和允許溫升條件下運(yùn)行,其溫升是不容易超過規(guī)定值。但在變頻調(diào)速工況下運(yùn)行的異步電動機(jī),由于輸入電流含有頗豐的高次諧波,因為會因諧波電流產(chǎn)生附加損耗。同時因諧波電流影響,而使輸出軸功率有所下降,運(yùn)行效率降低,溫升增高等異常情況。異步電動機(jī)運(yùn)行中,若發(fā)生溫升增高必將導(dǎo)致線圈絕緣的揮發(fā)和降解加速,介電強(qiáng)度和體積電阻率下降,還會造成絕緣的炭化而喪失絕緣功能。另外,諧波電流產(chǎn)生的附加磁場,相對于轉(zhuǎn)軸是高速度旋轉(zhuǎn)的,它產(chǎn)生的軸電勢較高,會擊穿軸承的油膜,使軸電流流過軸承而造成損害。
異步電動機(jī)的線圈間存在著分布電容,高次諧波電壓輸入時,使各線圈之間的電壓分擔(dān)不均勻,導(dǎo)致承擔(dān)高電壓線圈絕緣老化加速,從而使首匝線圈絕緣損傷。在變頻調(diào)速拖動系統(tǒng)中,變頻器輸出電壓的幅值是額定電壓的3倍,再加上變頻器電壓變化率(du/dt)很高,它所引起的振蕩使電動機(jī)線圈收到應(yīng)力變得更大,導(dǎo)致線圈絕緣老化。在開關(guān)頻率很高工況下,變頻器和電動機(jī)之間連接電纜,若是長度過長時會產(chǎn)生駐波,將導(dǎo)致電動機(jī)端電壓的升高,這種高電壓也會加速線圈絕緣的老化,而影響電動機(jī)的使用壽命。

產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢價格,大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌:ABB???,AB??,GE,FOXBORO,本特利,英維思,伍德沃德,西屋,瑞恩,施耐德,西門子,摩托羅拉,安川。力士樂。ACSO,橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實力庫存商家

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Fireye E350-3 3′ Ribbon Expansion Cable

NEW Fireye EP170 Programmer Module Flame Monitor EP-170

NEW Fireye EP390 Programmer Module Flame Monitor EP-390

NEW Fireye EP270 Programmer Module Flame Monitor EP-270

NEW Fireye EP261 Programmer Module Flame Monitor EP-261

Fireye control adapter 60-2060-*

FIREYE 70D10 FLAME SAFEGUARD CHASSIS

FIREYE EP-160

Fireye 38-56 Flame Meter Vertical 0-3VDC 2K Ohms/ Volt

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Fireye 45UV5-1005 Self Check UV Scanner

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Fireye 71D80 Purge Timer

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NEW FIREYE DE601-104F SCANNER MOUNT 15-601-935

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FIREYE 70D30 FLAME SAFEGUARD CHASSIS

Fireye MAUV1 U.V. Amplifier Module FFRT 4 Sec. *New*

PSA 2-5F Air/Gas Pressure Switch Fireye

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FIREYE EP381 NSFP EP381

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FIREYE TYPE EB-700

FIREYE MC230 NEW IN BOX

Fireye 26RJ8 Burner Control System

NEW FIREYE 60-1508-2 OFF DELAY TIMING MODULE BOARD CARD

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FIREYE M SERIES TIMING CARD MT 901

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Fireye D-Series Amplifier UV Self Check 72DUVS1

FIREYE BURNERLOGIX YP100 PROGRAMMER MODULE

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FIREYE 72D1R1 D-SERIES AMPLIFIER INFRA-RED AUTO CHECK

NEW FIREYE FLAME SAFEGUARD CHASSIS SEMI-AUTOMATIC 70D40

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FIREYE 60-1764 MM-1 ADAPTER

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Fireye 60-1764 MM-1 Adapter for RA890 601764 New

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Fireye Remanufactured UVM1D

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New! Fireye 60-1764 MM1 MM-1 Modernization Adapter Card

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Fireye 129-2 Spare Tube Kit New

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NEW FIREYE MEP100 PROGRAMMER MODULE RELIGHT OPERATIONS

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New! Fireye PSMH6F Air/Gas High Pressure Switch 1-6 wc

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New! Fireye MT30-4 Timing Card 30s Purge 4s Max MT304

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Fireye Program Module Type 71D90.

FIREYE M SERIES TIMING CARD MT 7-10 8904

FIREYE 70D40 SOLID STATE FLAME SAFEGUARD BURNER

FIREYE 4-314 NSFP 4314

Fireye 72DUVS4 D-Series amp. UV Self Check

FIREYE 70D40 SOLID STATE FLAME SAFEGUARD BURNER

FIREYE M SERIES TIMING CARD MT 60-10 7724

FIREYE M SERIES TIMING CARD MT 60-10 8012

FIREYE M SERIES TIMING CARD MT 60-10 7721

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FIREYE CELLS 4-128 FLEXIBLE CABLE SENSOR 48PTI-9003

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FIREYE EUVS4 USPP EUVS4

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FIREYE E1R1 INFRARED AMPLIFIER MODULE

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New! Fireye 60-1765 MM2 MM-2 Modernization Adapter Card

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FIREYE PROGRAMMER MODULE W/OUT JACKS *REBULT* FY-EP160

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Fireye UV Amplifier Module FEMAUV1T MAUV1T

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New! Fireye ERT1 Flame Amplifier Rectification Module

FIREYE LCD Display with Keyboard – combustion control –

Fireye 48PT2-9007 Infra-Red Flame Scanner

FIREYE 72DUVS4 USPP 72DUVS4

Fireye Flame Signal Meter

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FIREYE MEIR4 IR AMPLIFIER

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NEW FIREYE MEUVS4 SELF-CHECK AMPLIFIER MODULE BOARD

FIREYE 60-1386-2 CLOSED FRAME WIRING BASE ADAPTER PLATE

*NIB* Fireye 30 Second Prepurge Timer MT30-10 *NIB*

New! Fireye PSMH60F Air/Gas High Pressure Switch 10-60″

Fireye Pressure Temperature Sensor TS/PS Series PS348-7

Fireye D-Series amplifer 72d1r1/NIB

FIREYE EP113E PROGRAMMER MODULE NEW BOXED

Fireye 72DUV1 Amplifier Module Untraviolet New In Box

FIREYE 8-530 USPP 8530

Fireye Solid State Burner Management Series D

Fireye Pressure Temperature Sensor TS/PS Series PS348-3

Fireye 120V Flame Safeguard Control System 25SU5 4013

FIREYE EUVS4

FIREYE 71D81 PROGRAMMER

FIREYE 72DUVS1 D-SERIES AMPLIFIER UV SELF CHECK

Fireye 72DUV1 Amplifier Module UltraViolet New In Box

FIREYE D SERIES AMPLIFER 72DIR1

Fireye 120V Flame Safeguard Control System 25SU5 4018

FIREYE MP100 PROGRAMMER MODULE

FIREYE 45UV5-1005 NSPP 45UV51005

FIREYE 4-263-1 FIRETRON CELL NOS FE4 42631 NEW

FIREYE 61 2913 1 SHUTTER LENS ASSEM, NEW BOXED

FIREYE 72DIR1 AMPLIFIER BURNER CONTROL

FIREYE 72DUV1 ULTRAVIOLET AMPLIFIER 64930

Fireye Pressure Temperature Sensor TS/PS Series TS348-4

FIREYE EP160 PROGRAMMER NEW IN BOX

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Fireye Pressure Temperature Sensor TS/PS Series PS348-4

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New! Fireye PSA 12F Air/Gas Pressure Switch 2-12″ Auto

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Cleaver-Brooks Fireye Self-Check Amplifier Modul EUVS4

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FIREYE 45UV5-1005 NSFP 45UV51005

New Fireye 4-128 Firetron Cell

Fireye 70D40 Flame Safeguard Chassis Series D

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Fireye MART1T Flame Rod Amplifier FFRT .8 S

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FIREYE E1R1 INFARED AUTO CHECK AMPLIFIER MODULE NIB

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FIREYE 72DUVS4 D-SERIES AMPLIFIER UV SELF CHECK

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PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點(diǎn)經(jīng)驗。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個大概,以便學(xué)習(xí)編程時查找);
2、由位控邏輯入手,逐漸增加定時、計數(shù)等條件,把或、與、非關(guān)系理順;
3、進(jìn)而練習(xí)整數(shù)運(yùn)算、實數(shù)運(yùn)算、類型轉(zhuǎn)換;
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個物理回路驗證,比如變頻器+電機(jī)+測速傳感器);
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制(盡量避免跳轉(zhuǎn),非跳不可時也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機(jī)器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅(qū)動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學(xué)會一種至于其它的學(xué)習(xí)起來也就簡單了。