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170ADO73050
140ACO02000
VDI67D56011
IC200ACC415
AllenBradley1771-ICDCInputModuleW/1771-WANEW
SGMG-30A2BBB安川伺服電機(jī)
140G-G2C4-D11
1336F-B030-AN-EN
1756-M02AS
TSXAEZ802
7KE3113-0BB01-6VA1
IC693ALG220【GE-FANUC】
CPCI-154-1203電源模塊功率:150W
TSXDMETHPC101M
1746-OW16
7NY1010-0BQ1
3VU1340-1ML00
ALLENBRADLEY40274-005-02NSFP4027400502
IC600LR612A
3HAC020813-140
OMRONCPM1A-20EDRUSPPCPM1A20EDR
Allen-Bradley-241746-OW8A
ALLENBRADLEY800T-J631BNSPP800TJ631B
440R-N230590
YB161102-CA
7ND9276
XC68LC060RC50EMotorola
Y-1003-1-H04AA
6ES7315-2AF02-0AB0
6GK1105-2AA10
AB1784-PCIC1
6SE3-221-0DC40DRIVE4kw
AllenBradley2711-K5A2/E|PanelView550#3
3HNA012540-001CLAMPRING
3HNA016213-001BRACKETCOLORCHANGER
7MB1943-3AA20
3HAC5887-1/6
505-6660B
AllenBradley1771-OQ16Isolated24VDCOutputModule*
140CPU65150
19CP6701X1-EA141B5849X012PWRConnectionCard3
3HNE00554-1
霍尼韋爾DR45AT-1100-00-000-0-3A000E-0
SNAP-PS5-24DC
DSQC500
5SHY-3545L0009
7KE3188-0AC31-0BU1
TSX08CD12R8AS
ALLENBRADLEY5370-CVIMINPUTVISIONPROCESS5370CVIM
140CRP93200
MU-TAMR02
7ME3950-3HM01
DSQC123BYB161102-CC
XFR600-4
1336F-AQF07-AN-EN
ALLENBRADLEY2711P-K4M20DSERIESB*NEW*
IC200CBL105
NIBAllenBradley9701VWSTMENEFactoryTalkSoftware
MPC750
MSK071D-0200-NN-M1-UGO-NNNN/R911312867
AS-H827-107
AS-B422
Honeywell-TC-IXR061
1756-PA72
HONEYWELLELECTRO-PNEUMATIC870022-012-00-13-01-41-00
6AR1302-0AA02-0AA0
E3HNM06251-1MOTORWITHGEAR
7380A31G01card230VAC9
170ANR12090
P0920FHAnalogic24VdcDigitalOutputModule(FBMH9)
LENZE變頻器EVF8201-E0.37KW
TewsTIP815-TM-10
TSXDEY16FK
3HAC020813-149
TSXDMZ28DT
R911306632HAS01.1-350-NNN-MN
AS-D008-040
SCHNEIDER(施耐德)AS-B883-2004
AB2711P-T6C20D
E4809-045-057
VDI25615
SGMP-08AWYR11價(jià)格
1756-L55
A06B-6089-H104
3HNA011003-001CABLEVACUUMSWITCH
AS-B821-008
P0911VJ
DC705F
140ACO02000
VDIPF0103
主電路是給異步電動(dòng)機(jī)提供調(diào)壓調(diào)頻電源的電力變換部分,變頻器的主電路大體上可分為兩類:電壓型是將電壓源的直流變換為交流的變頻器,直流回路的濾波是電容。電流型是將電流源的直流變換為交流的變頻器,其直流回路濾波是電感。它由三部分構(gòu)成,將工頻電源變換為直流功率的"整流器",吸收在變流器和逆變器產(chǎn)生的電壓脈動(dòng)的"平波回路",以及將直流功率變換為交流功率的"逆變器"
如果您還是在校學(xué)生,當(dāng)使用"PLC實(shí)踐學(xué)習(xí)法"之后,那么就意味著您提早一步跨入了社會(huì)實(shí)踐,已經(jīng)比別人領(lǐng)先掌握了PLC這門技術(shù),等跨出校門的那一天.當(dāng)別人還在為PLC實(shí)習(xí)時(shí),您卻早己走上了工作崗位.
HMS01_1N-W0350-A-07-NNNN
30731823-501
140DDI35300施耐德PLC
1771-WE
ALLEN-BRADLEY1756-L55M231756L55M23SERIESA
AllenBradley2711-T10C15PanelViewTouchscreenGlass
MOELLERPS416CNT-200
1756-L75
1746-RL47
P0700TJWPI/OTerminator
140CRP93100
XYCOM3712
1336F-B015-AN-EN-HCS1-L6
MAF130D-0150-FQ-S2-KH0-05-N1R911328385
AllenBradleyPanelview1000ePart#2711E-K10C6Parts
SIEMENS6DS1412-8RR1
FBM216冗余適配器P0917XQ
1770-CD5
XPCWHT-L1-WF0-Q4CREELTD
VDI4509
RexrothMKD071B-061-KG1-KN?
30731817-004
TSXP57353M
Brand
3HAC020841-001
3HNM02134-1BOTTOMPLATE
TSXAEY810
電纜4000103-5104
DCP02
AllenBradleySelectableOutputModule,#1771-OW
MDD112C-N-040
7KE3188-0AC12-0BV1
2801-N22
Honeywell621-6450
NSDMRE-G320SP062FAC
TEKTRONIX2213AANALOG60MHzOSCILLOSCOPE
P0951CSTerminationCableAssembly,Plug1066mm(42-Inch)
AnyTorkALS-200M2限位開關(guān)
A1NCPUP21
7XP9013-0
MOELLERPS416POW-400
美國(guó)ABAllen-Bradley81.001756-OV16E/APLC控制器
AB1336-BDB-SP17D74101-482-51REV.22
SentryCommanderR402-0-1
ALLENBRADLEY800H-W001JUSPP800HW001J
YB111056-XPARTSTOTCP-INST.
AS-J212-000
140DDI35310
MC07A022-503-4-0108278997
BrocadeNI-MLX-4-AC-HSF
2711-K5A10L1
7ME3950-3GQ21
1336F-C040-AA-EN-L6
AllenBradley1775SR5ScannerCommunicationAdapter*
IC200MDL741
FOXBORONBIP0400ZG
1771-IM
DSQC518B
E3HAC7866-1MOTORINCL.PINION
AB2711P-RDK7CAKeypadDisplay2711PRDK
驅(qū)動(dòng)電路修復(fù)后,還要應(yīng)用示波器觀察各組驅(qū)動(dòng)電路信號(hào)的輸出波形,如果三相脈沖大小、相位不相等,則驅(qū)動(dòng)電路仍然有異常處(更換的元器件參數(shù)不匹配,也會(huì)引起這類現(xiàn)象),應(yīng)重復(fù)檢查、處理。大功率晶體管工作的驅(qū)動(dòng)電路的損壞也是導(dǎo)致過流保護(hù)功能動(dòng)作的原因之一。驅(qū)動(dòng)電路損壞表現(xiàn)出來最常見的現(xiàn)象是缺相,或三相輸出電壓不相等,三相電流不平衡等特征。
變頻器的VC控制方式的做法是將異步電動(dòng)機(jī)在三相坐標(biāo)系下的定子電流Ia、Ib、Ic、通過三相-二相變換,等效成兩相靜止坐標(biāo)系下的交流電流Ia1Ib1,再通過按轉(zhuǎn)子磁場(chǎng)定向旋轉(zhuǎn)變換,等效成同步旋轉(zhuǎn)坐標(biāo)系下的直流電流Im1、It1(Im1相當(dāng)于直流電動(dòng)機(jī)的勵(lì)磁電流;
Bently330101-00-14-10-02-00
MKE118D-035
7MF4997-5AE
UD25H-ALT4
1336F-AQF10-AN-EN
AS-B552-001
TSXDMZ64DTK
IMASO110
1336F-B075-AX-EN910
3HAC020869-0013HAC020801-001
NEWALLENBRADLEY2711-T5A16L1PV5502711T5A16L1NIB
QLVIMBCN西門子
P0999NLWSBay19"To21"CRTw/TS,SH
3HAC020869-0013HAC020801-001
839-013521-001