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厦门莫格电气自动化有限公司
:祖工
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地址:厦门市思明区槟榔西里197号第四层B19单元
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空气
其优点是:空气从大气中取得,制取方便,廉价、简易,对轴密时要求不高。
缺点是:空气比重较大,磨擦损失大,导热散热能力差。空气污染大,易使绝缘脏污,风道槽堵塞。且空气是助燃物,当发生电流时,易烧毁绝缘;电晕放电时间生臭氧,对绝缘有破坏作用。
氢气
优点是:氢气的重量仅为空气的14/1,比重小,通损耗小,流动性强可使效率提高(0.7~1)%,大大提高会热和散热能力。与空冷相比,氢冷可提高出力(20~25)%。且氢气较沌净,不易氧化,电晕时不产生臭氧,不肋燃。
缺点:需要配置一套复杂的制氢系统和气体置换系统。另外由于氢气渗透力强,要求密封性高,所以需要配置一套密封油系统,增加发运行操作和低护修理的工作量。氢气是易燃物,遇到电流或明火可能着火。当氢气与空气混合到一定比例时,遇火即发爆炸事故,威胁发电机的安全运行。
水
优点:水热容量大,具有很高的导热和冷却能力,其相对导热能力比空气大n5倍,比氢气大40倍。水的化学性能稳定,不会燃烧高强度的水有*的绝缘性能。此外,水还制取方便,廉价,调节方法间单,冷却均匀。
缺点:需要一整套复杂的水路系统,对水质要求高,运行中比较容易腐蚀铜导线和发气漏水现象,降低了了电机运行的可靠性。
LAMBDA JWS50-24/A 100-240 VAC 50/60 HERTZ POWER SUPPLY, NIB
GENERAL ELECTRIC POWER SUPPLY BOARD F31X111PSHAFG1 FR00/0 / 531X111PSHAGG1
HONEYWELL POWER SUPPLY UNIT 46182895-001
MURR ELEKTRONIK 24V 50A DC POWER SUPPLY 85798 MDG 50-208-520/24V DC/50A
EGS SOLO HEVI-DUTY 24 VDC/2.5A POWER SUPPLY SDN 2.5-24-100P
RELIANCE ELECTRIC RECTIFIER POWER CUBE 701819-19AW
NUMATICS 110-120V 50-60HZ .12AMPS 150PSIG-AIR SOLENOID VALVE 153SS415K00003
ACOPIAN 24VDC REGULATED DC POWER SUPPLY VA24MT210
CONDOR D.C POWER SUPPLIES INC. 02-32281-0001 REV F CIRCUIT BOARD
MODICON 115V 60HZ POWER SUPPLY P420
YASKAWA * POWER BOARD REV.D13 * JANCD-MTV01
DEEMS*10/250V POWER SUPPLY UNIT PSU-C/150
IAI 24 VDC POWER SUPPLY PS-241
FANUC ROBOTICS POWER SUPPLY BOARD A16B-1212-0470
USHIO HALOGEN PROJECTOR LAMP BULB JCR 9.5V 55W NIB
GENERAL ELECTRIC MFC/POWER SUPPLY CARD F31X111PSHARG1 / 531X121PSHASG1
FANUC ANALOG INPUT MODULE AD04A A03B-0801-C052 CONTACT SCREW MISSING
TOWER ELECTRONICS 100-240V 0.8A 50/60HZ VIDEOJET DC POWER SUPPLY, 100-0470
ALLEN BRADLEY SLC 500 13 SLOT RACK 1746-A13 SER. B W/ POWER SUPPLY 1746-PS SER
APPLETON 3/4" UNILET APP FSC-1-75 NIB
SOLA POWER SUPPLY 115/230VAC 50-60HZ SDN 4-24-100
POWER-ONE POWER SUPPLY NIB HB5-3/0VP-A
ADVANCE TRANSFORMER MARK III ENERGY SAVER SLIMLINE BALLAST V-2E75-S-2-TP
APPLETON 3/4" MALL IRON FS-FD CD 2GA CONDUIT FSC-2-75 NIB
EUPEC INFINEON THYRISTOR T548N18 TOF 3M4
FUJI ELECTRIC 4N26 2D1150A-50 POWER MODULE EVM31-050A
EGS HEVI-DUTY 240/480V 60Hz 1PH 3.0kVa TRAMSFORMER HS5F3AS
SIERRACIN 5A12A DC POWER SUPPLY REPAIRED
MATSUSHITA 5VDC 20A POWER SUPPLY ETU-5G200L2 104500
TOGI * TERMINAL BLOCK * PCN-4F40
ALLEN BRADLEY MINI-PLC-2/17 PROCESSOR W/POWER SUPPLY 1772-LWP D
STANDARD POWER SPS 15-5 POWER SUPPLY
BRAD HARRISON MICRO-CHANGE ASSEMBLIES 4-POLEMALE/FEMA?LE ST/ST 6M 18/4 AWG
GOULD SHAWMUT FUSE HOLDERS 3 POLE 60308 600V.30A. LOT OF 2
HOFFMAN TYPE 12,13 INDUSTRIAL CONTROL PANEL ENCLOSURE A-382 E-1PBX
AMPCO / GREENFIELD 31/64", 500-A TAPER SHANK DRILL SH-50 *NEW, UNOPENED*
CONTROL AIR 100-BAT 1/4" NPT 2-40PSI NIB
OMRON 24VDC 7A POWER SUPPLY S82F-1524 *BROKEN PLASTIC*
HEWLETT PACKARD Q1338A BLACK COMPATIBLE LASER CARTRIDGE FOR USE IN HP NIB