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变频器选型
变频器怎么选型是咱们技术人员和商务报价人员常常遇到的问题。我依据作业实践经历给咱们总结的一些办法和思路。没有触及对任何品牌的倾向性观点,如有不当和缺乏的当地,加咱们的大众号欢迎和咱们进行沟通。
要思考的要素包括:品牌,功率,电流,电压,负载(即是电机拖动的设备),运用场合另外还有一些选配件要在挑选的时分留意比如操控面板是不是独自收购,需求不需求用滤波器,电抗器,制动电阻制动单元等。一些专业设备要挑选变频器。比如注塑机,电梯,纺织一些场合挑选变频器用。
一,不管思考商业仍是技术角度品牌挑选的是非常重要的。
商场上可以说有上百种品牌,ABB,西门子,施耐德是商场占有量比较大的进口品牌。我大致给咱们介绍下变频器的品牌,
欧美品牌
ABB,西门子,施耐德,伟垦,SEW,AB,丹佛斯,艾默生,伊顿,伦茨,
日韩品牌
富士,安川,三菱,欧姆龙,东芝,三垦,日立,东芝,松下,三星
台湾
台达,东元
国产品牌
汇川,英威腾,利德华福,普传,三晶,欧瑞,新时达,康沃,蓝海华腾,派尼尔,森兰,正弦等
二功率的挑选
一般变频器类型都是按功率大小进行界说类型的,如西门子6SE6430-2UD33-0DB0 为30KW变频器,可是ABB类型是按电流界说的ACS510-01-046A-4是46A 22KW,值得留意的是进口品牌的操控面板都需求独自收购,变频器报价不含操控面板,而国产变频器一般都包括操控面板。
一般来说电机的功率是变频器挑选变频器功率的根底。可是值得留意的是变频器时应以实践电机电流值作为变频器挑选的依据,电机的额外功率只能作为参考。
风机水泵运用场合负载较小,一般变频器厂家都有专门的系列变频器。国产一般是P系列,进口如ABB一般运用ACS510,西门子430,施耐德ATV61等等,而一些特别场合负载大一般都要恰当的扩大档运用。
1、依据负载特性挑选变频器如负载为恒转矩负载可挑选西门子MM440 变频器,ABB公司ACS800系列变频器等;如负载为风机、泵类负载可挑选西门子MM430变频器,ABB公司ACS510系列变频器等。
2、挑选变频器时应以实践电机电流值作为变频器挑选的依据,电机的额外功率只能作为参考。其次,应充分思考变频器的输出富含高次谐波,会造成电动机的功率因数和功率都会变坏。
3、变频器若要长电缆工作时,变频器应扩大一档挑选或在变频器的输出端装置输出电抗器。
4、当变频器用于操控并联的几台电机时,必定要思考变频器到电动机的电缆的长度总和在变频器的容许范围内。
5、关于一些特别的运用场合,如高环境温度、高开关频率、高海拔高度等,此刻会导致变频器的降容,变频器需扩大一档挑选.
6、挑选用于高速电动机的变频器时,应比一般电动机的变频器稍大一些。
7、变频器用于变极电动机时,应充分留意挑选变频器的容量,使其大额外电流在变频器的额外输出电流以下。
8、驱动防爆电动机时,变频器没有防爆结构,应将变频器设置在风险场合以外。
9、运用变频器驱动齿轮减速电动机时,运用范围遭到齿轮滚动有些光滑方法的制约。不要超越高转速容许值。
10、变频器驱动绕线转子异步电动机时,大多是利用已有的电动机。容易发生因为纹波电流而导致的过电流跳闸景象,所以应挑选比一般容量稍大的变频器。
11、变频器驱动同步电动机时,与工频电源比较,下降输出容量10%~20%。
12、关于压缩机、振动机等转矩动摇大的负载和油压泵等有峰值负载情况下,应了解工频工作情况,挑选比其大电流更大的额外输出电流的变频器。
13、当变频器操控罗茨风机时,因为其起动电流很大,所以挑选变频器时必定要留意变频器的容量是不是足够大。
14、挑选变频器时,必定要留意其防护等级是不是与现场的情况相匹配。
15、单相电动机不适用变频器驱动。 如果单有变频器本体的高可靠性,而变频器选型和容量匹配不恰当,组成的变频调速体系也不可能到达很高的可靠性,甚至无法工作,那么怎么来保证变频调整体系正常工作呢?
咱们要保证变频器的容量匹配。依据负荷性质,准确选用变频器类型。总的准则即是啥性质负载特性配啥特性的变频器。
(1)恒转矩出产设备--在调速范围内,负载力矩根本稳定不变。应选具有恒转矩功能的变频器。其过载才能为150%额外电流保持1分钟。
(2)平方转矩出产设备--在调速范围内,负荷力矩与转速的平方成正比,即M∝n2,离心式风机,水泵为它的典型代表。具有M∝n2特性的变频器其过载才能较小,110%-120%额外电流过载1分钟,
(3)恒功率负荷出产设备-在调速范围内,转速低力矩大;转速高力矩小,即M?NC(常数)。典型设备如机床及卷绕组织。

















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Motorola MVME104
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Motorola MVME117-3F
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Motorola MVME1302
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Motorola MVME133A-20
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Motorola MVME147-011A MVME147-11A
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Motorola MVME147-1
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Motorola MVME147SB-1
Motorola MVME147SB-2
Motorola MVME147SC-2
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MVME1604 MVME1603"
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Motorola MVME162-010 
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Motorola MVME162-011 MVME162-11
Motorola MVME162-011A MVME162-11A
Motorola MVME162-012 MVME162-12
Motorola MVME162-012A MVME162-12A
Motorola MVME162-013 MVME162-13
Motorola MVME162-013A MVME162-13A
Motorola MVME162-013A MVME162-13A
Motorola MVME162-020 MVME162-20
Motorola MVME162-020A MVME162-02A
Motorola MVME162-021 MVME162-21
Motorola MVME162-022 MVME162-22
Motorola MVME162-023 MVME162-23
Motorola MVME162-023A MVME162-23A
Motorola MVME162-031 MVME162-31
Motorola MVME162-032 MVME162-32
Motorola MVME162-033 MVME162-33
Motorola MVME162-040 MVME162-40
Motorola MVME162-042 MVME162-42
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Motorola MVME162-010 
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Motorola MVME162-215
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Motorola MVME162-223
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Motorola MVME162-433
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Motorola MVME162-532
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Motorola MVME162P-242E
Motorola MVME162P-242L 
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Motorola MVME162P-242LSE
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Motorola MVME166-11A MVME166-011A
Motorola MVME166-12A MVME166-012A
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Motorola MVME297-003 128MB
Motorola MVME297-004 256MB
Motorola MVME297-128 128MB
Motorola MVME300
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Motorola MVME300A 
Motorola MVME315
Motorola MVME316
Motorola MVME320A
Motorola MVME323 
Motorola MVME323-1
Motorola MVME323S
Motorola MVME327A
Motorola MVME328-1
Motorola MVME328S-1
Motorola MVME328S-2
Motorola MVME328XT-1
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Motorola MVME330-2
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Motorola MVME332
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Motorola MVME332XTS
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MVME333
Motorola MVME333S-2 MVME333S MVME333S-002
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Motorola MVME334 
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Motorola MVME334B
Motorola MVME335
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Motorola MVME3604-5352
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Dual 400MHz 256MB
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Motorola MVME712M
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Motorola SuperNode system with the following boards: 01-W1589B01C 01-W1590B01B 01-W1591B04L 01-W1644B04BB 01-W2844D01H 01-W2844D02H 01-W2845D03G 01-W2845D04G 01-W3896B01F 
Motorola TMCP700-001
Motorola XR-342 XR342
Motorola XR712-121K
Motorola XR712-123TPK


联系方式
  • 联系人: 刘经理 女士
  • 职位: 销售经理
  • 真: 0592-5580710
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