描述
按常规设计的异步电动机,均设计在额定频率和额定电压下运行的,只有瞒住运行条件才能确保电动机轴上输出转矩、输出功率达到额定值。然而在变频调速工况下运行的电动机,其输入电流的频率是个变量,通过改变输入电流的频率即可实现异步电动机转速的调节。但由于输入电流频率的变化,故对电动机输出的轴功率会造成影响。所以对不同拖动系统电动机容量的选择上,应考虑这种影响而有一定的容量裕度。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
EUCHNER Safety Switch TP3-2131A024M 084142
EUCHNER Safety Switch NZ1VZ-538E-MC1233 093858
EUCHNER Safety Switch TZ1LE024RC18VAB 093862
EUCHNER Safety Switch CES-A-C5E-01 077750
ZORBAX SB-Phenyl 5um 4.6*250mm 880975-912 HPLC Column
EUCHNER PLUG CONNECTOR SD19 002768
Agilent ZORBAX XDB-C8 993700-906 HPLC Column
EUCHNER Safety Switch TX1B-A024SEM4AS1 094403
Agilent ZORBAX SB-C8 883975-906 HPLC Column
Agilent ZORBAX RX-C8 883700-906 HPLC Column
PGDT PG DRIVES X25 48V Motor controller
Provit 2500 Display 5D2510.10 B&R BR-Automation Used
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Magic Ionic Flat Iron MIF Professional Ceramic Iron
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TECTROL TC93M-1458 Power Supply Module
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Magni-Chek check valve MS-22 NEW in box
RIMED DSP BOARD 80-0010 Rev D Factory Refurbished One
AustriaMicroSys?tems USB Interface Box 990600045
SAMSUNG SVDR Voyage Data Recorder part ROMU-3000A
ITT VEAM Power Lock NLS-N-BK-C70-M4?0S Connector Kit
GE FETAA3K0250 FE250 SMR1-no RP Normal Circut Breaker
Andrew Power Amplifier RF100308 PARM 900 NTN065GA Notel
Putzmeister Concrete Axial Piston Pump 067370003 New
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