描述
启动时需要的功率更低。
电机功率与电流和电压的乘积成正比,那么通过工频直接启动的电机消耗的功率将大大高于变频启动所需要的功率。在一些工况下其配电系统已经达到了最高极限,其直接工频启动电机所产生的电涌就会对同网上的其他用户产生严重的影响,从而将受到电网运行商的警告,甚至罚款。如果采用变频器进行电机起停,就不会产生类似的问题。
产品广泛应用于:电力、石油、矿井提升、港口、供热、燃气、供水、污水处理、冶金、造纸、纺织、化工、水利等现代化工业领域!
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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。
Nortel Contivity Extranet Switch 4500
Agilestar-AA1419052-E6-For Nortel-New in Box
NORTEL NTRX50GX 11 DSS512 E/MOD 01-W1968B01D NTRX5119
NORTEL NTRX50GX 10 DSS512 E/MOD 01-W1968B01C NTRX5119
NORTEL NORSTAR CALLPILOT 150 R3.1 NTAB9824 REFURBISHED
One-day shipping available
Avaya/Nortel BCM1000 NT7B10AAAK-A0792374(4 NTBB80A
Nortel Baystack 213314-AR09 460-24T-PWR Power over Ethe
Avaya/Nortel BCM200 NT7B10AAFB-A0542822 3.6(1 NTBB
Avaya/Nortel BCM1000 NT7B10AACC-A0846343 2.5 Expans
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Nortel 2033 IP Conference Phone(NTEX11BA70E6)
Nortel BayStack 5510-48T 48-Port Gigabit Switch
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Nortel Avaya Norstar CICS Bundle Phone System New
CICS Cabinet/7.1 SW/Caller ID/CP100 VM Brand New
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AA1419052-1000BASE-ZX SFP w/DDI for Nortel
One-day shipping available
Nortel Norstar MICS Office Phone System Meridian M7310
Complete with(12)Phones Voicemail Telephone System
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Nortel-Norstar Business 4-Line 10-Telephone MICS System
Lot of(12)Norstar Nortel T7316E Telephone NT8B27 Char
Nortel Miranda DV-45 Digital Video Codec
Nortel ASN2 Base Unit 8M AC Redun.Power AF0002W11 NEW!
NORTEL MM-8T1E1 Secure Router 3120 8-Port T1/E1 Module
One-day shipping available
NORTEL PASSPORT 8010 SWITCH W/8691SF 8608GBIC 8648TX
32R1869 IBM NORTEL LAYER 2/3 GIGABIT SWITCH 32R1860
Nortel 8301AC Power Supply DS1405A14-E5 Passport 8310
90 Day Warranty-Free Shipping!
Nortel Networks NTNQ89AA Passport 7400 4-Port MVPe Mod
Nortel Passport 7400 4-Port MVPe Module DS1
One-day shipping available
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NORTEL Passport Card NTFN58GA 02 HSSI FP 6480 Func Proc
NORTEL NTVH25BA CIM 5000C,TDMA,CHASSIS INTERFACE
Nortel Passport 15000 CP NTNQ01AA
Nortel SR2101008 2 Port T1 Router 1002 Tasman SR1002
Free Fedex Shipping+90 Day Warranty 2 Active T1 Ports
One-day shipping available
NORTEL NTNQ9102 Network Controller Card
32R1860 IBM NORTEL 6 PORT LAYER 2-3 COPPER SWITCH
Norstar Nortel Meridian Business Used PBX Phone Systems
Small Office Nortel Business Phone Telephone Systems
Nortel Norstar Business PBX Key Phone Telephone System
Aastra Nortel CVX 1800 Modem ISDN Board pn NTDY40MA
Refurbed with 90 day warranty!
Nortel 8672 ATM DS3 MDA Module DS1304002 Passport 8600
90 Day Warranty-Free Overnight Shipping!
Nortel DS1333001 8600 1-port OC-12 MMF MDA for 8683 POS
90 Day Warranty-Free Overnight Shipping!
Nortel DS1333003 8600 2-port OC-3 MMF MDA for 8683 POS
90 Day Hardware Warranty-Free Overnight Shipping!
Nortel Passport 8393SF CPU Fabric Module DS1404076
90 Day Warranty-Free Shipping!!
Nortel BCM Expansion Cabinet W/Universal Power Supply
Nortel used pbx business 10-telephone phone system
Nortel Ethernet Routing Switch 4550T-PWR
NORTEL NTVH25BA CIM 5000C,TDMA,CHASSIS INTERFACE
Nortel NT0H01SC OPTera Metro 5200 OCLD 1.25Gbps B5 CH3
90 Day Hardware Warranty-Free Overnight Shipping!
Nortel NT0H01SD OPTera Metro 5200 OCLD 1.25Gbps B5 CH4
90 Day Warranty-Free Overnight Shipping!
Nortel NT0H11EK OPTera 5100/5200 OCI 4:1 Sub Rate MUX
90 Day Warranty-Free Overnight Shipping!
Nortel PASSPORT 8683 POSE POS 3 SLOT MDA DS1404043
90 Day Warranty-Free Overnight Shipping!
Nortel BCM Expansion Cabinet With Universal Power Suppl
Nortel IP Audio Conference Phone 2033 w/PIM NTEX11AA70
FULLY REFURBISHED WITH ONE YEAR WARRANTY
Nortel,NT5B16AAAJE5 BCM GLOBAL 8 STATION ALOG MBM
Nortel,NT7B09AAADE5 BCM DSM 32-32 DIGITAL STATION ME..
NORTEL NTCA03VA OPTERA OC-192 WDM REGENR TRMTR SNT3E0U
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NORTEL NTCA03WC OPTERA OC-192 WDM REGENR TRMTR SNT4C7L
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NORTEL NTCA03WK OPTERA OC-192 WDM REGENR TRMTR SNT4C71
One-day shipping available
NORTEL NTCA03XA OPTERA OC-192 WDM REGENR TRMTR SNT3E0X