描述
弱磁控制
超過馬達(dá)額定轉(zhuǎn)速的作業(yè)要求，PWM逆變器提供的輸出電壓高于直流母線電壓所限制的輸出能力。要克服速度限制，可實(shí)施弱磁演算法。負(fù)的d軸給定電流將提高速度范圍，但由于定子電流的限制，可得到的最大扭矩會相對地降低。在同樣的直流母線電壓限制下，控制d軸電流可以起到弱化轉(zhuǎn)子磁場的效果，這降低了反電動勢電壓，允許更高的定子電流流入馬達(dá)。
產(chǎn)品廣泛應(yīng)用于：電力、石油、礦井提升、港口、供熱、燃?xì)?、供水、污水處理、冶金、造紙、紡織、化工、水利等現(xiàn)代化工業(yè)領(lǐng)域！
我們這里有您急需的停產(chǎn)備件，
優(yōu)勢現(xiàn)貨，詢不到的，買不到的，請聯(lián)系我們！
絕 對優(yōu)勢，絕 對低價！絕 對正品，優(yōu)質(zhì)的產(chǎn)品，一流的服務(wù)，充足的庫存，
歡迎來電詢價，我們將會給您最優(yōu)惠的價格！
主營：世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse（美國西屋）系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse（西屋）：OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro（?？怂共_）：I/A Series系統(tǒng)，F(xiàn)BM（現(xiàn)場輸入/輸出模塊）
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余（TMR）
結(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。
⑨Siemens(西門子)：Siemens MOORE，Siemens Simatic C1，Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth（博世力士樂）：Indramat，I/O模塊,PLC控制器,驅(qū)動模塊等。
◆Motorola（摩托羅拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。
1 NEW Nortel BCM50 r3 4x16ip 10vm repl CICS 4X16 CP100
with updated patches loaded
Nortel 8600 Routing Switch Software v4.1 DS141003-4.1
Nortel 5520-48T-PWR Gigabit POE Gig Switch AL1001E05-E5
Nortel Norstar MICS 4×32 CI w/7.1 Software Bundle
One-day shipping available
Nortel,AL4500E03-E6 4526T SWITCH 24 10/100 2 COMBO R..
Nortel BCM Expansion Cabinet W/Redundant Power Supply
Nortel Contivity 1740 Extranet VPN Router-DM1401133
Com Dev Nortel NTQA51AA Wireless RF Combiner 2G 1900
One-day shipping available
1 Nortel BCM400 4.0 BCM 400 R4.0 R4 16 vm Ref
New Nortel Networks NT5B74AABR NorstarVoicemai?l System
Nortel 8003 DS1402003 w/8691SF 8608GBIC 8632TXE 1xPSU
Nortel NTNQ92AA 8 Port 10/100Base-T Module
New Nortel Norstar Call Pilot 150 R3.1 Voicemail 8x32VM
Nortel OPTera NTEU16QA STM1e Quad Trib(NEW SEALED)
Nortel Passport NTNQ69BA 32 Port E1 MSA-32
Nortel NT7B56 CICS Commander PABX Telephone System
DS1404077 Nortel passport 8348TX
Nortel BCM 1000 4.0 w/extra T1 card,loaded w/cards
Nortel Secure Network Access Switch 4050
New Nortel NTE350AA AP7220 wirless access point mesh
Factory sealed 32R1860 BladeCenter Nortel L2/3 Module
Nortel NTBW70FA 32CH XCEM CARD
Nortel Ethernet Routing Switch 8348GTX Module
DS1404093E5
Nortel 5520-24T-PWR 24Port 10/100/1000 AL1001E06E5
32R1861 IBM NORTEL LAYER 2/3 FIBRE ETHERNET SW 32R1870
Nortel 4-port 1000BASE-SX Gigabit DS1404045-GS NEW
Nortel ds1404038 PASSPORT 8608GBE 8PT 1000X GBIC MOD
Nortel Alteon 2424 EB1412003 315531 W/Defective P.S.
Nortel NT0H30MA 4 Channel 8 Band Refurbished
Nortel NT0H30KA 4 Channel Module New
1 Nortel BCM50 r3 4×8 BCM 50 3.0 r3.0 28vm 16um 4meetme
with updated patches loaded
Enlarge
20 Nortel Norstar Meridian M7324 Phone NT8B40 Black Ref
Nortel DS1404059 PASSPORT 8608GBM Switch
Nortel AL2012E52 BayStack 470-48T PWR switch
Nortel Wireless Bridge 7230 NTE320BA
Nortel Networks NTHR89AA 4-Port DS3 Networking Module
Passport 15000 DS3 Frame Relay Function Processor
One-day shipping available
Enlarge
IBM Nortel 32R1869 32R1866 EL4512029 Layer 2/3 Switch
Nortel Networks BayStack AL1001E06 24-Port Switch
Ethernet Routing Switch 5520-24T-PWR
One-day shipping available
Enlarge
20 Nortel Norstar T7316 Phone NT8B27AABB Platinum Ref
Nortel Passport 7480-NTJS62
NORTEL SHASTA SSC Subscriber Service Card new
Nortel Passport 6480 Model NTJS60
Nortel Passport 6480 NTJS60
NORTEL NORSTAR MICS TELEPHONE SYSTEM WITH PRI
Two(2)T1 Cards with one(1)active PRI Keycode
Nortel Meridian 4-Cabinet PBX Phone System+35 Cards/Etc
Nortel Baystack 107 10BT Hub 24 RJ45*Lot of 10!*
Nortel-BCM400 NT7B10AADH A089818-VoIP
Nortel NTFP18FA PASSPORT FUNC PROCESSOR Refurbished
Nortel Networks NTCA10AA Module New
Nortel MIRAN Meridian Integrated Rec Announcer NTAG36AC
Nortel Meridian MICB NT5D51AC Rlse 3&2 w/ATA PC Card
NORTEL ALTEON EB1404017 AD4 WEB SWITCH DC BRAND NEW
Nortel Call Pilot 100 Voice Mail With 40 Mailboxes
NORTEL NTAB9825 CALLPILOT 150 2.1 300 MBOXES W/POWER
NORTEL Passport NTJS13DA 05 3 Port DS3A ATM-IP FP
New Surplus Nortel 8608SXE 8-port 1000BASE-SX Module
90 Day Hardware Warranty-Free Shipping!
New Surplus Nortel 8348TX-PWR DS1404078 10/100TX POE
90 Day Hardware Warranty-Free Shipping!
Nortel Shasta 5000 4-Slot AC Power Supply S5000-AC1
Nortel/Alteon 180/184 AceSwitch Application Web Switch
Norstar Nortel Networks 0x32 MICS Office Phone System
Price just reduced by$400-only one at this price!!
Small Nortel Norstar Voice Mail 2-4 Line 6 Phone System
Nortel MICS Startalk Flash V.M.Business Phone System
Nortel Passport 8010 8610 8691SF 8608GB 8648TX Switch
90 Day Hardware Guarantee Can Ship Today!
Enlarge
Nortel Used Office Commercial Business Phone Systems
NORTEL J2427A-1,L3 SWITCHING MODE RECTIFIER 25 AMP
One-day shipping available
New Nortel High speed serial HSSI 74035-16
New Nortel High speed serial HSSI 74035-16
*New*Nortel Call Pilot CallPilot 150 w/32 MB-REL 3
One-day shipping available
New!Nortel Norstar CallPilot Call Pilot 150 Voicemail
One-day shipping available
銷售熱線：18150087953