FR-HAL-H1.5K三菱电抗器 MITSUBISHI
- 供应商
- 上海黎雨自动化设备有限公司
- 认证
- 报价
- ¥888.00元每件
- 三菱
- 1
- 不限
- 2
- 日本
- 3
- 联系电话
- 13661558636
- 全国服务热线
- 13162007958
- 经理
- 杨先生
- 所在地
- 上海嘉定区曹安公路2300弄10栋19号
- 更新时间
- 2024-05-03 08:00
上海黎雨自动化设备有限公司【同步微信qq;3452476319】三菱通用变频器;fr-d740-2.2k-cht订 货 号:fr-d740-2.2k-cht商品型号:fr-d740-2.2k-cht
1.变频器的调速原理
?交流异步电动机的转速计算公式为:
?n=60f(1-s)/p
?由公式知,改变电源的频率时,因同步转速n与频率f成正比变化,故异步电动机的转速n也随之改变。可见变频器调速是利用电动机的同步转速随频率变化的特性,通过改变电动机的供电频率进行调速的。
2.变频器的调速方法
?变频器是用静止变频装置(晶闸管)构成变频电源对异步电动机进行调速,它采用间接变换方式(交一直一交变频)把交流电通过整流器变成直流电,再用逆变器将直流电变为频率可调整的交流电供给异步电动机。如下图:
?ac/f1――整流器-dc――逆变器――ac/f2
3.变频器的优点
?3.1节约能源[举例:在泵、鼓风机和引风机的使用中,由公式n=60f(1-s)/p知转速与电源频率成正比,即改变电源频率就可以改变电动机的转速。理论上,流量(风量)与转速的一次方成正比,水压(或风压)与转速的平方成正比,所以轴功率与转速的三次方成正比。可见,与调节阀门相比,调节转速具有十分明显的节能效果。
3.2减少启动时对电网的冲击(无变频器启动时启动电流是电动机额定电流的5~7倍)。
3.3减低噪声,实现电动机的软启动和自由停车。
3.4运行方便、准确,减少了员工的劳动强度。
3.6在泵的使用上消除了泵的喘振现象,使泵处于至佳运行工况状态。
4.型号
fr-a720-5.5k
fr-a7ap
fr-a7nc
fr-a7nc-e kit-c
fr-a820-00077-2-60(0.75kw)
fr-a820-00105-2-60(1.5kw)
fr-a820-00167-2-60(2.2kw)
fr-a820-00630-2-60(11kw)
fr-a820-2.2k-1
fr-a820-5.5k
fr-a840-00023-2-60(0.4kw)
fr-a840-00038-2-60(0.75kw)
fr-a840-00052-2-60(1.5kw)
fr-a840-00083-2-60(2.2kw)
fr-a840-00126-2-60(3.7kw)
fr-a840-00170-2-60(5.5kw)
fr-a840-00250-2-60(7.5kw)
fr-a840-00310-2-60(11kw)
fr-a840-00380-2-60(15kw)
fr-a840-00470-2-60(18.5kw)
fr-a840-00620-2-60(22kw)
fr-a840-00770-2-60(30kw)
fr-a840-00930-2-60(37kw)
fr-a840-01160-2-60(45kw)
fr-a840-01800-2-60(55kw)
fr-a840-02160-2-60
fr-a840-02160-2-6075k
fr-a840-03250-2-60(160kw)
fr-a8ap
fr-a8nc
fr-a8np
fr-abr-3.7k
fr-abr-h0.4k
fr-abr-h0.75k
fr-abr-h1.5k
fr-abr-h2.2k
fr-abr-h3.7k
fr-abr-h5.5k
fr-abr-h7.5k
fr-adp
fr-bif
fr-bif-h
fr-blf
fr-bsf01
fr-cc2-h560k-60
fr-cc2-h630k-60
fr-d720-0.1k
fr-d720-0.2k
fr-d720-0.4k
fr-d720-0.75k
fr-d720-1.5k
fr-d720-5.5k
fr-d720-7.5k
fr-d720s-0.4k-cht
fr-d720s-0.75k-cht
fr-d720s-1.5k-cht
fr-d720s-2.2k-cht
fr-d740-0.4k-cht
fr-d740-0.75k-cht
fr-d740-1.5k-cht
fr-d740-2.2k-cht
fr-d740-3.7k-cht
fr-d740-5.5k-cht
fr-d740-7.5k-cht
fr-du07
fr-e720-0.1k
fr-e720-0.2k
fr-e720-0.4k
fr-e720-0.75k
fr-e720-1.5k
fr-e720-15k-cht
fr-e720-2.2k
fr-e720-3.7k
fr-e720-5.5k
fr-e720-5.5k
fr-e720-7.5k
fr-e720s-0.2k
fr-e720s-0.4k-cht
fr-e720s-0.75k-cht
fr-e720s-1.5k-cht
fr-e720s-2.2k-cht
fr-e740-0.4k-cht
fr-e740-0.75k-cht
fr-e740-1.5k-cht
fr-e740-11k-cht
fr-e740-15k-cht
fr-e740-2.2k-cht
fr-e740-3.7k-cht
fr-e740-5.5k-cht
fr-e740-7.5k-cht
fr-f740-0.75k-cht
fr-f740-1.5k-cht1
fr-f740-11k-cht1
fr-f740-15k-cht1
fr-f740-18.5k-cht1
fr-f740-2.2k-cht1
fr-f740-22k-cht1
fr-f740-3.7k-cht1
fr-f740-30k-cht1
fr-f740-37k-cht1
fr-f740-45k-cht
fr-f740-5.5k-cht1
fr-f740-55k-cht1
fr-f740-7.5k-cht1
fr-f740-s110k-cht
fr-f740-s132k-cht
fr-f740-s160k-cht
fr-f740-s185k-cht
fr-f740-s220k-cht
fr-f740-s250k-cht
fr-f740-s280k-cht
fr-f740-s315k-cht
fr-f740-s355k-cht
fr-f740-s400k-cht
fr-f740-s450k-cht
fr-f740-s500k-cht
fr-f740-s500k-cht
fr-f740-s560k-cht
fr-f740-s630k-cht
fr-f740-s630k-cht
fr-f740-s75k-cht
fr-f740-s90k-cht
fr-f840-00023-2-60(0.75kw)
fr-f840-00038-2-60(1.5kw)
fr-f840-00052-2-60(2.2kw)
fr-f840-00083-2-60(3.7kw)
fr-f840-00126-2-60(5.5kw)
fr-f840-00170-2-60(7.5kw)
fr-f840-00250-2-60(11kw)
fr-f840-00310-2-60(15kw)
fr-f840-00380-2-60(18.5kw)
fr-f840-00470-2-60(22kw)
fr-f840-00620-2-60(30kw)
fr-f840-00770-2-60(37kw)
fr-f840-00930-2-60(45kw)
fr-f840-01160-2-60(55kw)
fr-f840-01800-2-60(75kw)
fr-f840-02160-2-60(90kw)
fr-f840-02600-2-60(110kw)
fr-f842-10940-2-60
fr-f842-12120-2-60
fr-fd
fr-hal-h1.5k
fr-hal-h30k
fr-hal-h37k
fr-hcc2-h560k
fr-hcc2-h630k
fr-hel-h0.4k
fr-hel-h0.75k
fr-hel-h1.5k
fr-hel-h132k
fr-hel-h2.2k
fr-hel-h220k
fr-hel-h3.7k
fr-hel-h30k
fr-hel-h37k
fr-hel-h5.5k
fr-hel-h7.5k
fr-hel-h75k
fr-pa02-02
fr-pa07
fr-pu07
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