AB&81001-956-53-R&

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描述

AB)&81001-956-53-R&

在電力拖動的發(fā)展歷史中，交流與直流拖動兩種方式始終并存于工業(yè)領域中。伴隨著科學發(fā)展的進程，它們相互競爭，相互促進，推動電力拖動歷史的發(fā)展。
? ? 在19世紀80年代以前，利用蓄電池的直流拖動系統(tǒng)占統(tǒng)治地位。80年代后，隨著三相交流電的傳輸方式的應用而產生籠型交流電動機，并很快在工業(yè)生產及人民生活的各個領域獲得廣泛的應用，并占據主要地位。之后，隨著科技的發(fā)展，對拖動系統(tǒng)提出更高的要求，特別是在精密機械、冶金、國防工業(yè)等方面，要求調速精度高、調速范圍寬、動態(tài)性能好，起制動靈活等，交流拖動則難以滿足以上要求。因此，過去很長一段時期，在高性能的電力拖動系統(tǒng)中，一直是直流拖動占主要地位。然而交流電動機與直流電動機相比，也具有很多明顯的優(yōu)點。
? ? （1）交流電動機不存在換向器的轉動速度限制，也不存在電樞元件的電抗電勢限制，其轉速可以設計得比相同功率的直流電動機轉速更高。
? ? （2）直流電動機的電樞電流電壓的值受換向器的限制，交流電動機則無此限制，它的單機功率可以比直流電動機更大。
? ? （3）直流電動機換向器制作工藝復雜、成本較高，相比之，交流電動機則成本低廉。
? ? （4）直流電動機高速運行時，由于受電抗電勢的限制，一般最高速時（額定轉速以上），輸出功率僅能達到額定功率的80%，交流電動機則不受限制，它可以在高速時以額定功率運行。
? ? （5）交流電動機無換向器之類經常需要保養(yǎng)維護的部分。維護方便，經久耐用。在某些惡劣的環(huán)境下，例如，易燃易爆場合，也能可靠工作。
? ? （6）直流拖動系統(tǒng)的控制設備復雜、機構龐大、造價高。而某些簡單的交流調速系統(tǒng)（特別是現(xiàn)在大量使用的變頻器的調速系統(tǒng)）則具有設備簡單、造價低、維護方便的優(yōu)點。
? ? （7）現(xiàn)在大量使用的變頻器調速系統(tǒng)在節(jié)能方面有明顯的優(yōu)勢（特別是在風機、泵類方面的應用中）。
? ? 由于交流拖動具有以上優(yōu)點，過去在一些性能要求不高的場合，仍有人愿意采用交流電動機調速，以求得體積小、系統(tǒng)簡單、維護方便的優(yōu)點。近年來，隨著電子計算機的發(fā)展及新型電力電子器件的出現(xiàn)，使交流變頻器調速方式獲得廣泛應用，許多過去采用直流電動機的精密設備、大型設備，現(xiàn)在改用交流拖動的例子不勝枚舉。目前已有逐漸取代直流拖動的趨勢。

產品承諾：
保?證?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務質量，
優(yōu)勢價格，大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(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，橫河等進口品牌。Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA

AC LINE FILTER, TRI-MAG.Inc. SF-1579 – REFURBISHED

CONTROLLER NOVELLUS 270019800 – REFURBISHED

CONTROLLER NOVELLUS 27017400 – REFURBISHED

HV GATE VALVE VAT DN100 PNEUMATIC SERIES 14

POWER SUPPLY ASTEC LPS 252 – REFURBISHED

PRINTED CIRCUIT BOARD, AMAT 0100-09099 – REFURBISHED

PRINTED CIRCUIT BOARD, AMAT 0100-35180 – REFURBISHED

PRINTED CIRCUIT BOARD, AMAT 0100-76258 REV. B

TRANSDUCER VIATRAN 376 – NEW

VACUUM VALVE, MKS 253B-2-50-2, Exhaust throtte valve

VACUUM VALVE, MKS, Exhaust throtte valve, KF50

VACUUM GAUGE CONTROLLER GRANVILLE-PHILL?IPS 375

STYLET FASTPOINT FX-439 DELUXE 707-439-00-02

SET OF 3 VIEWPORTS 716-011533-001 – NEW

PRINTED CIRCUIT BOARD APPLIED MATERIALS 0100-0953 REV.C

POWER SUPPLY APPLIED MATERIALS 0010-09181

FILTER ENTEGRIS WGFG01RH2 WAFERGARD – NEW

CONTROLLER MINARIK RG310UA – REFURBISHED

AIR BLOWER ASML 4022.436.2563 3D – REFURBISHED

Osaka Vacuum TG370M Turbopump / Pompe turbo UNTESTED

INVERTER APC UPS MATRIX 3000 – REFURBISHED

TRACOPOWER TSL240-124 POWER SUPPLY – TESTED

FILTER PENTEK WATER 145722 SET OF 4 – NEW

FLOWMETER DWYER INSTRUMENTS VFA-25-SSV – REFURBISHED

FLOWMETER DWYER INSTRUMENTS VFC-131 – REFURBISHED

LAMP DRIVER PHASETRONICS P1038A – REFURBISHED

SENSOR OMRON Z4W-V25R – REFURBISHED

TURBOMOLECULAR PUMP ALCATEL ATP 150 – NEW

VACUUM MANOMETER MKS 122BA-00100EB ( 100 TORR )

VACUUM MANOMETER TYLAN CMLB-21 (100 Torr) – REFURBISHED

CONVECTRON PIRANI VAC GAUGE GRANV-PHILLIPS 275 SET OF 3

CONTROLLER MKS 652D-BB – REFURBISHED

CONTROLLER MILLIPORE AC2 VALVE CONTROLLER – REFURBISHED

PUMPING SYSTEM LEYBOLD WA501 / D65BC – REFURBISHED

HV GATE VALVE VAT P/N:14036-PE44 – NEW

KSA400P KYOSAN POWER SUPPLY PN 97060572A01- REFURBISHED

UTI, ASSY Console QualiTorr Remote QTRT P/N: 05801

UTI QualiTorr Remote, Vac System Controller, 05506-2000

ALCATEL MANOMETER CN111 85407 – REFURBISHED

ELECTRONIC BOARD – TESTED

PRECISION BALL SCREW W1205KA-3P-C5Z P/N:07H9-0014 – NEW

LEYBOLD RUVAC WS501 PFPE US ROOTS VACUUM PUMP -PN 91737

PROCESS-KIT AMAT DCVD-LH 6″ TEOS – REFURBISHED

SET OF 2: SPACER, ARDEL, C&D PH2 – NEW

SUSC ASSY T2 WELDED, 150M – NEW

SWITCH ASSY. OZONATOR 42 PSI – NEW

GAS RING SMALL HOLES&CHANNELS – NEW

SHIELD 0200-09121 – REFURBISHED

POWER SUPPLY SVG 88 – REFURBISHED

HOST COMPUTER INTERFACE UNIT SVG – REFURBISHED

ROBOT SVG 88 ROBOT ARM – REFURBISHED

SVG 8836 HOT PLATE – REFURBISHED

PERF. PLATE 150MM BW, AMAT 0020-30406 – NEW

RF GENERATOR ENI OEM-25A – REFURBISHED

SVG CHILL PLATE – REFURBISHED

ROBOT SVG 88 ROBOT ARM (little arm) – REFURBISHED

ROBOT SVG 88 LOADER – REFURBISHED

MOTION CONTROLLER PACIFIC SCIENTIFIC SC453

RING,WAFER LIFT RP 0020-09844/0020?-09183 – NEW

PLATE QUARTZ DIST UPPER ASP – REFURBISHED

DOOR, SLIT VALVE, “S” – NEW

SET OF 2: PLATE, CAM SLIT VALVE – NEW

PRINTED CIRCUIT BOARD AMAT 0100-00011 CHOPPER DRIVE

COATED THERMOCOUPLE (8.5″ Lg) W – NEW

POWER SUPPLY POWER ONE HD24-4.8-A SET OF TWO IDENTICALS

VALVE CONTROLLER VACUUM GENERAL AC-2 ADAPTORR

THROTTLE VALVE VACUUM GENERAL MDV-018 – REFURBISHED

VALVE CONTROLLER TYLAN AdapTorr AC-2S06 – REFURBISHED

THROTTLE VALVE TYLAN MDVX-100BS11 – REFURBISHED

THROTTLE VALVE VACUUM GENERAL MDV-100B – REFURBISHED

SET OF TERMINAL UNITS BECKHOFF – NEW

SMC SOLENOID VALVE MANIFOLD – USED

CARRIER,8″ W/FLEX APPLIED MATERIALS – NEW

RF SWITCH HUTTINGER ELEKTRONIK 1500A – REFURBISHED

RECTANGULAR VALVE VAT A-370333 – REFURBISHED

MATCH BOX HUTTINGER ELEKTRONIK PFM 1500A – REFURBISHED

GAS DIST.PLATE,101 HOLES APPLIED MATERIALS – NEW
P/N : 0020-31492

Enlarge
ASYST TEACH PENDANT ROBOT CONTROLLER 8045R2

ANGLE VALVE VAT PNEUMATIQUE ALU DN40 – REFURBISHED

TELEMECANIQUE ABE7 INPUT – REFURBISHED

POWER SUPPLY MDP FIRST DC 1Q 50/5 – REFURBISHED

SET OF 5 SWILL WAFER SUPPORT PIN-ENP PN 0200-00581 -NEW

SET OF 14 SWILL COOLDOWN PEDESTAL WAFER SUP – NEW

SET OF 39 SHAFT CLAMP WALKING BEAM PN 0021-79131 – NEW

SET OF 6 SENSOR STEM 6″TITAN HEAD P/N: 0021-77458 – NEW

SET OF 5 SENSOR PLATES – PN 0021-79994 – NEW

SET OF 13 SEAL LIP FLG 625ID – PN 3700-02893 -NEW

SET OF 18 SCR CAP SKT/SLOT 0190-77220 – NEW

SET OF 2 PIN CAP – PN 0021-77267 – NEW

SET OF 3 KAPTON PAD QUARTZ BLADE 300MM PN 0020-15950

SET OF 17 ORING ID 10.178 CDS.112.SILICON?E 3700-02952

SET OF 9 CAP BEARINGS 300MM ROBOT AMAT P/N: 0020-06885

0010-14390 AMAT BRUSH MODULE EXTENDED ROLLER- NEW

HIGH VOLTAGE POWER SUPPLY BHK500-80MG – REFURBISHED

ALCATEL PTM5101 TURBO CERAMIC PUMP – REFURBISHED

MINI VACUUM PRESSURE SWITCH 41A11DGA2AA002 -REFURBISHED

TURBO PUMP CONTROLLER CFV900 – REFURBISHED

VALVE VERIFLO 944L. NEW

GAS PRESSURE REGULATOR TESCOM 44-2361-T9-051 – NEW

90 DEGREES VACUUM ELBOW ISO100-KF – REFURBISHED

90 DEGREES VACUUM ELBOW ISO160-KF – REFURBISHED

MURR SWITCH MODE POWER SUPPLY MPS20-230/24 SINGLE PHASE

VALVE VERIFLO 928L. NEW

VALVE SET VAT 77369-R8. NEW FAB SURPLUS

VALVE RK INDUSTRIES TDD-1002-T1. NEW FAB SURPLUS

VACUUM PARTS FLEXIBLE NIPPLE – NEW
A&N CORPORATION P/N: LF63-300-F

VACUUM PARTS BELLOW V4 – NEW

VACCUM CAPACITOR 20-500PF 15KV. REFURBISHED

UPPER ARM 200 MM – NEW

SET OF 5 FLANGE BALL BEARING SFR188SSW- NEW

ROPLAT PAWL HARD STOP. NEW FAB SURPLUS

PRESSURE REDUCING GAUGE VERIFLO PARKER NPR73530W4PXFSM

MIROIR PLAN FOR LASER EXERCICE – NEW
CVI LASER CORPORATION P/N: KRF-3050-45-P

KALREZ O-RING ORNG082E00299 – NEW

HOLDER, 8” WAFER – NEW FAB SURPLUS

DC MOTOR ASS AG-SCHWEIZ 84031-R1 – REFURBISHED

CONVERSION SET 3200251 TO 3200409 – NEW FAB SURPLUS

CABLE FOUR CASSETTE SHIFFTER. NEW FAB SURPLUS

CABLE ASSY ROTARY DRIVE ENCODER. REFURBISHED

ANGLE VALVE MKS PNEUMATIC DN25. REFURBISHED

CENTRAL PROCESSING UNIT RACK 19″ – TESTED

VACUUM MANOMETER MKS 628B02TBE1B (2 Torr) – REFURBISHED

DRIVELINE POLISH HEAD SPEEDFAM-IPEC 0770-700183

PTM5081 – TURBOMOLECULAR PUMP

TPU 060 – TURBOMOLECULAR PUMP

90 DEGREES VACUUM ELBOW ISO63-KF – REFURBISHED

PRESSURE REGULATOR APTECH BP1006SM 2PW 0M/10 – NEW

BRAKE INTERCONNECT, AMAT, 0100-09076 REV D

VACUUM MANOMETER ALCATEL FA111 – REFURBISHED

MASS FLOW CONTROLLER UNIT UFC-1100 Gas:O2 Range:100Sccm

MASS FLOW CONTROLLER UNIT UFC-1100 Gas:O2 Range:10Sccm

ALCATEL RSV1000 ROOTS VACUUM PUMP – REFURBISHED

SCHNEIDER ELECTRIC MODICON TSX MICRO – REFURBISHED

ROOTS VACUUM PUMP ALCATEL RSV 300 – REFURBISHED

TURBOMOLECULAR PUMP ALCATEL 5402 CP – REFURBISHED

SIC RING E55539 – NEW

PRINTED CIRCUIT BOARD AMAT 0100-09107 REV E – NEW

PRINTED CIRCUIT BOARD APPLIED MATERIALS 0100-09106- NEW

ANGLE VALVE DN25 BALZERS EVA025PA – REFURBISHED

CONTACTOR TELEMECANIQUE LC1D50 (LP1 D5011) – SET OF 2

CONTACTOR TELEMECANIQUE LCD1D25BD – SET OF 2 – USED

CONTACTOR TELEMECANIQUE LC1D09BD – SET OF 2 – USED

PNEUMATIC AIR CYLINDER SMC CDM2B20-100A – REFURBISHED

BLACK CARTER IPEC CMP676 NOVELLUS IPEC-1 – REFURBISHED

REMOTE WIRING DISTRIBUTION, AMAT, 0100-09126 REV B

THERMOELEMENT BALZERS – USED

SET OF 2 AIR LIQUIDE REGULATORS – USED

PRESSURE REGULATOR MANOMETER AIR LIQUIDE DIRS N°6

HIGH PRESSURE REGULATOR TESCOM 44-226X-242 – set of 2

CENTRIFUGE FSI PHOENIX P/N: 901111-001 – REFURBISHED

CROSS ISOLATION VACUUM NOR-CAL 3870-01212 – REFURBISHED

MASS FLOW CONTROLLER UNIT UFC-1660 Gas:C4F8 20Sccm

RF GENERATOR AD-TEC AX 2000 EUII P/N: 27-286651-00 REVA

RSV 151 B – ROOTS VACUUM PUMP

RSV350 – ROOTS VACUUM PUMP

ROBOT GENMARK 5064340 3 AXES – REFURBISHED

BRACKET FOR ECTRA SIC TUBE SUPPORT P/N:303516 – NEW

SET: 3 MOELLER CIRCUIT BREAKER 3P 63A KMNZM7/PN PKZM0-4

TEMPRESS BOARD CONVECTOR DTC PN 910011- NEW

TEMPRESS BOARD PRE AMP RH 13% DTC P/N:910088 – NEW

SET OF 4 TEMPRESS JOURNAL ASSY CENTR SJ-34-SP PN R03005

APPLIED MATERIALS 0100-09127 PCB ASSY – TESTED

BROOKS AUTOMATION TIC-D64LC- PCB ASSY 921062 – TESTED

BROOKS AUTOMATION TIC-DEVN PCB ASSY 921-068 – WARRANTED

MAIN AC INTERCONNECT PCB ASSY 0100-00591 – TESTED

NEMIC-LAMBDA EWS300-24 PCB ASSY – REFURBISHED

4-WAY DOUBLE VALVE, AMAT, P/N: 0090-20044 – NEW
OEM: SMC P/N: NVJ3223-5LZ-M3

MASS FLOW MKS 1179AX12CS1BVSP?C1 Gas:Ar Range:100Sccm

INLINE VALVE INFICON VAP016-A – NEW


選擇深圳長欣，選擇放心，售后無憂大量現(xiàn)貨，當天順豐發(fā)貨！
主營：本特利，英維思，伍德沃德，?？怂共_、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，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

先介紹幾點經驗。
1、先通讀一遍“系統(tǒng)手冊”（不管能不能看懂，先了解個大概，以便學習編程時查找）；
2、由位控邏輯入手，逐漸增加定時、計數(shù)等條件，把或、與、非關系理順；
3、進而練習整數(shù)運算、實數(shù)運算、類型轉換；
4、量程轉換、PID調節(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+測速傳感器）；
5、循環(huán)、順序、跳轉等程序控制（盡量避免跳轉，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)機器人配件DSQC系列和Motorola MVME系列，GE 卡件 模塊 驅動器系列為主攻。各位電工朋友可根據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，學會一種至于其它的學習起來也就簡單了。

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