20F1ANC170JN0NNNNN参详
20F1ANC170JN0NNNNN参详
20F1ANC170JN0NNNNN参详
6RA7078-6FS22-0-Z(S00) ----------------
6ES5581-0EB12 1
6ES7414-4HR14-0AB0 1
6GK5102-1GS00-2AC2 6
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VDM01D10AL18 1
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型号:采集卡,METEOR2-MC/4
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OSP5000 1
模块单元 UMC780120-02;MR-040接口模块单元 SUMITOMO
系统控制模块单元 umc550030-03 BA SUMITOMO
系统电源模块单元 UMC554000-01 SUMITOMO
模块单元 MR-060;MR-060接口模块单元 SUMITOMO
PD-10C Parker 1
驱动器_8E1022HWD10.0100-1_贝加莱 1个
SGMCS-02B3C11数量1
635-7594-004 10个
E82EV402K4C(带接线模块) 1
MDX61B0370-503-4-0T/08279853 8
6GK5102-1GS00-2AC2 6
模拟量输入模块 CT3220 ANALOG INPUT CCFFK22021
直流输入模块 CT3133 DC INPUTK13303
直流输出模块 CT3153 DC OUTPUTK15302
2711P-T7C22D9P 1个 面价24365
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WINSMITH A-44381X0GC A44381X0GC
WESTINGHOUSE S140D481G02 S140D481G02
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WESTINGHOUSE 2067A02G06 2067A02G06
TOTAL CONTROL PRODUCTS QPL-CGA-E0000 QPLCGAE0000
TOSHIBA VT130G2U5270 VT130G2U5270
TEXAS INSTRUMENTS PLC MON-4614-SM MON4614SM
TEXAS INSTRUMENTS PLC 560-2120W 5602120W
TEXAS INSTRUMENTS PLC 505-ATM-0440 505ATM0440
TELEMECANIQUE TSX-P87-425 TSXP87425
TB WOODS WF2C4075-0A WF2C40750A
TAYLOR ELECTRONICS 6214PZ00005A 6214PZ00005A
TAYLOR ELECTRONICS 6204BZ10100G 6204BZ10100G
TAYLOR ELECTRONICS 6202NZ10000C 6202NZ10000C
TAYLOR ELECTRONICS 6202NZ10000 6202NZ10000
SYMBOL TECHNOLOGIES VRC6940-00V651US VRC694000V651US
SYMBOL TECHNOLOGIES VRC6940 VRC6940
SYMAX 8881-MLI-224 8881MLI224
SYMAX 8030-ROM-871 8030ROM871
SYMAX 8020-SCP-631 8020SCP631
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SQUARE D 8639NSA4SSPL1SPL2 8639NSA4SSPL1SPL
SIEMENS 6SE9-523-7DH40 6SE95237DH40
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SIEMENS 6FC5357-0BB34-0AE1 6FC53570BB340AE1
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SIEMENS 6ES5-943-7UB21 6ES59437UB21
SIEMENS 6DS1-220-8AA 6DS12208AA
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SIEMENS 1PH4168-4NF26 1PH41684NF26
ROBO CYLINDER ISPA-MZM-A-200-10-200-T1-AQ-B ISPAMZMA20010200
REXROTH 1-070-083-221-304 1070083221304
RELIANCE ELECTRIC UVZ3475 UVZ3475
RELIANCE ELECTRIC S-D4006-C SD4006C
RELIANCE ELECTRIC S6R-9006 S6R9006
RELIANCE ELECTRIC 86466-60T 8646660T
RELIANCE ELECTRIC 8371324BTP 8371324BTP
RELIANCE ELECTRIC 45C-313A 45C313A
RELIANCE ELECTRIC 45C-231 45C231
RELIANCE ELECTRIC 3RA2015 3RA2015
RELIANCE ELECTRIC 30V4260 30V4260
RELIANCE ELECTRIC 24C4140U 24C4140U
RELIANCE ELECTRIC 0-5285-0 052850
POWERTEC INDUSTRIAL MOTORS INC M6HLEN-00090-00 M6HLEN0009000
PARVEX MC19PA7326 MC19PA7326
ORMEC ORN-J1057301 ORNJ1057301
OMRON NT31-ST121B-EV1 NT31ST121BEV1
OMRON NSJ10-TV00BG5D NSJ10TV00BG5D
OMRON F400-C15E F400C15E
NIKKI DENSO NPSA-ZMTA-201AE NPSAZMTA201AE
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NEMATRON CORP ICC-5000-PC1 ICC5000PC1
MOTOMAN ROBOTICS RM6210 RM6210
MODICON S79G-S00-P010 S79GS00P010
MODICON MMPMT24T0C MMPMT24T0C
MODICON MM-PMT1400C MMPMT1400C
MODICON AS-D008-040 ASD008040
MITSUBISHI Q4A-CPU Q4ACPU
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MITSUBISHI ACME AD51S3 AD51S3
MEASUREX 51401288-100 51401288100
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MATTSON 5514027 5514027
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KOLLMORGEN IND ME9-203-B-AQ9-254 ME9203BAQ9254
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IMPERIAL 08124800 08124800
HYDRAULIC VALVE DIVISION BD90 BD90
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HOFFMAN ENCLOSURES PTRS362424XA PTRS362424XA
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GIDDINGS & LEWIS 502-03927-03 5020392703
GIDDINGS & LEWIS 401-34401-00 4013440100
变频技术诞生背景是交流电机无级调速的广泛需求。传统的直流调速技术因体积大故障率高而应用受限。 20世纪60年代以后,电力电子器件普遍应用了晶闸管及其升级产品。但其调速性能远远无法满足需要。1968年以丹佛斯为代表的高技术企业开始批量化生产变频器,开启了变频器工业化的新时代。
20世纪70年代开始,脉宽调制变压变频(PWM-VVVF)调速的研究得到突破,20世纪80年代以后微处理器技术的完善使得各种优化算法得以容易的实现。
20世纪80年代中后期,美、日、德、英等发达国家的 VVVF变频器技术实用化,商品投入市场,得到了广泛应用。 *早的变频器可能是日本人买了英国专利研制的。不过美国和德国凭借电子元件生产和电子技术的优势,*端产品迅速抢占市场。
相比较国外变频器的发展状况,我国的变频器应用起步较晚,直到20世纪90年代末期才得到较为广泛的推广。国内变频技术发展状况,可以概括为:变频器的整体技术相对落后,和国外在变频调速研宄上取得的*进成果比,存在着较大的差距;变频器使用的核心部件技术空*,目前来说,变频器的生产中需要的关键功率器件,在国内几乎没有厂家可以生产,导致我们核心技术受制于国外,*须依靠进口;主要产品集中在低压产品和中低端市场。由于产品可靠性和工艺水平不高,目前国内变频器产品主要面向低压和对性能要求一般的市场,*性能、大功率市场主要被国外大公司占领。
步入21世纪后,国产变频器逐步崛起,现已逐渐抢占*端市场。上海和深圳成为国产变频器发展的前沿阵地.