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22F-A8P0N113
(01)结合项目的整体框架,从工艺特点和电气控制入手,负载类型、使用环境、通讯构架和接口类型都考虑,比如是串口、DP还是PN通讯接口。
(02)根据负载特性选择变频器,如负载为恒转矩负载可选择西门子G120变频器,如负载为风机、泵类负载可选择西门子G120XA变频器。
(03)选择变频器时应以实际电机电流值作为变频器选择的依据,电机的额定功率只能作为参考。另外应充分考虑变频器的输出含有高次谐波,会造成电动机的功率因数和效率都会变坏。因此,用变频器给电动机供电与用工频电网供电相比较,电动机的电流增加10%而温升增加约20%。所以在选择电动机和变频器时,应考虑到这种情况,适当留有裕量,以防止温升过高,影响电动机的使用寿命。
Gould/Shawmut TRS-150R, 150 Amp Fuse **
GE LU70, Lot of 12** High Pressure Sodium Lamp **
ITE FJ3-B225, 225 Amp Circuit Breaker * IN BOX*
Square D EHB34030 Circuit Breaker * SURPLUS*
Square D EHB34015 Circuit Breaker * Surplus*
NEMA 4 Dual 5 HP Pump Control Panel **
Siemens W4242L3225CU, Weatherproof Load Center
Adalet XCE101408 Explosion Proof Junction Box **
Adalet XCE121208 Explosion Proof Junction Box **
Hoffman A8H12ALP, NEMA 12 Jic Box * SURPLUS*
Weighman N12303012, Nema 12 Enclosure * SURPLUS*
Cooper 225 KVA 3PH 13800 X 120/208 PAD MOUNT
Air Compressor Products, #028-158DP3 **
SQUARE D PXF361600G Main Circuit Breaker Switchboard
Cooper 75 KVA 1PH 13800GY/7979 X 120/240 PAD MOUNT
RTE 100 KVA 1 Ph13800 X 120/240 Padmount Transformer
RTE 50 KVA 1 Ph 13800 X 120/240 Padmount Transformer
Cooper Padmount Transformer, 167 KVA, **
Cooper 100 KVA 1 Ph 13800GY/7970 X 120/240 PAD MOUNT
RTE 75 KVA 1 Ph 13800 X 120/240 Padmount Transformer
Hoffman A30P24SS6 Enclosure Back Plate * IN BOX*
Siemens B220 Circuit Breaker 2p 20 amp
ITE/Siemens B240 Circuit Breaker **
Siemens B250 Circuit Breaker
ITE/Siemens B320 Circuit Breaker
ITE/Siemens B3100 Circuit Breaker **
ITE/Siemens B360 Circuit Breaker **
ITE/Siemens B330 Circuit Breaker **
ITE - ET 225amp "K" Frame 225 amp Circuit Breaker
ITE - ET 225amp "K" Frame 200 amp Circuit Breaker
ITE - ET 225amp "K" Frame 175 amp Circuit Breaker
ITE -ET 100 "F" Frame 20 amp Circuit Breaker **
ITE -ET 100 "F" Frame 50 amp Circuit Breaker **
TSXASG2000
TSXASG2001
TSXASZ200
TSXASZ401
TSXASN101
TSXASY410
TSXASY800
TSXAEZ414
TSXAEZ801
TSXAEZ802
TSXAEY414
TSXAEY800
TSXAEY1600
TSXCAY22
TSXCAY41
TSXCTY2A
TSXCFY11
TSXDEP216
TSXDEF81
TSXDEZ32D2
TSXDEY16A4
TSXDEY16A5
TSXDEY16D2
TSXDEY16D3
TSXDEY64D2K
TSXDMZ28AR
TSXDMZ28DR
TSXDMZ28DT