07AI91F2
07AI91F2
07AI91F2
交变频器的特点是基于可逆整流原理,工作可靠②流过电动机的电流近似三相正弦,附加损耗小,脉动转矩小,电动机属普通交流电动机类,价格便宜当电源为时,*高输出频率包括弱磁调速范围不大于主电路较复杂,器件多零式电路需个晶闸管,桥式电路需36个晶闸管易于做成大容量装置节省了减速齿轮箱,机械结构简单效率高噪音小和占地面积小。鉴于以上特点,交一交变频调速特别适合低速大容量传动的应用,在轧机主传动矿山提升船舶推进水泥球磨机矿石破碎机和风洞设备等传动中逐步取代传统的大功率直流传动,取得了良好的技术经济效益。
NEW FERRAZ SHAWMUT A050F500 500A AMP 500V-AC FUSE B2802
LOT 5 NEW COOPER BUSSMANN LPJ-12SP LOW-PEAK BUSS 12A AM
FERRAZ J25 LIMITOR 25A AMP 600V-AC FUSE B399674
NEW LITTELFUSE 37011000410 FAST ACTING 1A AMP 250V-AC F
FUSETEK 2CC-250 HRCII-C CLASS TIME DELAY 250A AMP 600V
NEW COOPER BUSSMANN LPJ-200SP LOW-PEAK TIME DELAY 200A
GOULD SHAWMUT TRSR 175 TRI-ONIC HRCI-R TIME DELAY 175A
NEW CUTLER HAMMER 2CLS-4R MOTOR HIGH VOLTAGE 130 4RA FU
GENERAL ELECTRIC 328L493GR16 EJ-2 CURRENT LIMITING 7IN
NEW GENERAL ELECTRIC GE 328L493G23 EJ-2 12R AMP 2.4/4.8
NEW BUSSMANN ALS-500 STUD MOUNTED 500A 48V-DC FUSE B211
COOPER BUSSMANN LPJ-350SP LOW-PEAK BUSS TIME DELAY 350A
NEW FUSETEK FCF-150 FASTACTING CAPACITOR 150A AMP 600V
NEW FERRAZ SHAWMUT OTN60 TYPE P 60A AMP 250V-AC FUSE B3
NEW BUSSMANN 15.5FFVHK150E DOUBLE BARREL HIGH VOLTAGE 1
NEW WESTINGHOUSE 632A0 TYPE S SUPER SURGE A01 LINK FUSE
NEW WESTINGHOUSE 632A0 TYPE S SUPER SURGE A01 LINK FUSE
GOULD A550X40E-1 AMPTRAP CURRENT LIMITING 40E AMP 5.5KV
NEW FERRAZ A60X200-4 AMP-TRAP 200A AMP 600V-AC FUSE B31