详细介绍
(1)交-直-交变频器,则是先把工频交流通过整流器变成直流,然后再把直流变换成频率电压可调的交流,又称间接式变频器,是目前广泛应用的通用型变频器。
(2)可分为交-交变频器,即将工频交流直接变换成频率电压可调的交流,又称直接式变频器
按直流电源性质分类:
(1)电压型变频器
电压型变频器特点是中间直流环节的储能元件采用大电容,负载的无功功率将由它来缓冲,直流电压比较平稳,直流电源内阻较小,相当于电压源,故称电压型变频器,常选用于负载电压变化较大的场合。
(2)电流型变频器
Parker Air Cylinder, Series 3MA, 03.25 CBC3MAU19AC 4.0...
Parker Air Cylinder, Series 3MA, 02.50 CBC3MAU19AC 3.0...
Parker Air Cylinder, Series 2MA, 02.50 CBC2MAU39AC 5.0...
Parker Pneumatic Cylinder, CJ2AUV 19AC, 4.000 Stroke, 0...
Giben Air Cylinder, # C60-65-FP-AAP
SMC CYL Hydraulic NPT w/UNF Rod
OHMA Cylinder / Centerline Weld Cylinder, 8832-FF-.20-2..?.
Eaton Hydro-Line, HR5F1.5X3 B-.63-2-S-H-N-1?-1, WARRANTY
Festo Air Cylinder, # DNC-32-25-PPV-A?, DNC-32-25PPV-A
Norgren ISO/VDMA Pneumatic Cylinder, # RA/8063/320, USE...
Flairline OILF 2-1/2 X 4 MPI Pneumatic Cylinder, USED, ...
Humphrey Compact Air Cylinder, HTDA6x1/2, Used, WARRAN...
Festo Air Cylinder, # DZH-2"-5"-PPV-A?, Series F741