GE FANUC A06B-0314-B041#7075
在結(jié)構(gòu)設(shè)計(jì)中,還考慮了非正弦電源特性對(duì)變頻電動(dòng)機(jī)的絕緣結(jié)構(gòu),振動(dòng)和噪聲冷卻方法的影響,通常,注意以下問題:
?。?)絕緣等級(jí),通常為F等級(jí)或更高等級(jí),可增強(qiáng)對(duì)地面和匝數(shù)的絕緣強(qiáng)度,尤其是承受絕緣脈沖電壓的能力。
?。?)對(duì)于變頻電動(dòng)機(jī)的振動(dòng)和噪聲,應(yīng)充分考慮變頻電動(dòng)機(jī)組件和整體的剛性,并應(yīng)盡可能增加固有頻率,以避免與每個(gè)力波產(chǎn)生共振。
?。?)冷卻方式:一般采用強(qiáng)制通風(fēng)冷卻,即主電機(jī)冷卻風(fēng)扇由獨(dú)立電機(jī)驅(qū)動(dòng)。
(4)防止軸電流的措施,容量超過160KW的電動(dòng)機(jī)應(yīng)采取軸承絕緣措施。主要原因是可能會(huì)發(fā)生磁路的不對(duì)稱,并且還會(huì)產(chǎn)生軸電流,當(dāng)其他高頻分量產(chǎn)生的電流合并在一起時(shí),軸電流將大大增加,從而導(dǎo)致軸承損壞,因此通常會(huì)采取絕緣措施。
?。?)對(duì)于恒功率變頻電動(dòng)機(jī),當(dāng)速度超過3000/min時(shí),應(yīng)使用特殊的耐高溫油脂來補(bǔ)償軸承溫度的升高。
GE FANUC A06B-0314-B041#7075
KLA Tencor 2131 2132 2552 ,
Sagitta NEXT-1 ,
HP 1100 G1311A G1315A G1316A G1322A G1362A G1367A ,
AMAT Rorze ATM Wafer Robot Transfer Station RR304L120,
Fuji Luxel P-9600CTP ,
Mitsubishi Melfa RV-2AJ 5-Axis,
EcoSys Vector 5001 ,
SGI Altix 3000 3700 ,
Quadrics QsNet-II ,
SGI Altix 3000 3700 ,
WYKO RST Optical Profiler Interferometer Microscope Lab,
AMAT Rorze RR701L1211 2-Arm ,
Genevac HT-12 Evaporator+VC3000,
NEW Altera Stratix III EP3SL340H1152C3N,
Buehler Ecomet Lab Variable Speed,
Rhytec Portrait PSR3 ,
Tecan Genesis RSP-150/8,
Fukuda Denshi UF-850XTD,
Ohmeda RC0040 ,
CTI Cryogenics On-Board 4 ,
Newport TCB200-600-10um,
Chyron Aprisa SSX StillStore Server,
AE VHF Ovation 35162,
Adtec AX-2000III 2000W ,
CTI Cryogenics On-Board 4 ,
QualiTau M26 ,
KLA Tencor 2135,
Newport 8'x5' 1"-Grid Optical Breadboard,
Mettler Silberg ME800 ,
Quadrics TG108 10Gbps ,
Haake Rheocord 9000,
Chyron Duet-LEX,
AMAT Ebara ET801H ,
AMAT Ebara ET800H ,
Chyron Aprisa VCS Multi-Channel ,
Adtec AX-2000EUII-N,
ENI Plasmaloc 2-HF 90-460kHz,
Ingersoll-Rand IRN15H-TAS130H ,
Tecan Genesis 150/8,
Molecular Analytics IonPro-IMS,
NSS Champ ZS 29 Ride-On,
Drytek Dual 13.56MHz RF Generator Power Supply Source,
ENI GHW-85A ,
Fukuda Denshi UF-750XT,
Comdel CLF-5000,
Shel-Lab Sheldon Bactron-X ,
Comdel CB5000 ,
DEC DEChub-900 ,
Continuum NY60-50,
Fukuda Denshi UF-750XT ,
HP Agilent E8404A,
Brooks Automation Reliance ATR-8,
Asoma 200 X-Ray ,
Optodyne HeNe Laser Doppler Displacement Meter System,
MCE IPS TES 8653D,
Comdel CX-10P ,
Fluoroscan X-Ray ,
ENI MKS DCG-200Z,
Vivato WiFi Outdoor Switch Wireless WLAN Antenna 2.4GHZ,
Gendex/UAI Uni-Max 325 ,
Drager Narkomed 2A,
HP Agilent 83420A ,
AMAT Leybold Turbovac TW300,
Labconco FreeZone 12-Liter ,
Keyence VH-6300 ,
GeneVac EZ-2,
Ebara A10S Multi-Stage ,
Comdel CPMX-3000,
Blue-M IGF-6680F,
Miller Syncrowave 300,
Vintage Atari SAN FRANCISCO ,