140DAO84210

140DAO84210 整定系统需要注意的几个问题

1、执行机构动作次数

执行机构动作次数不能过频，过频则容易烧坏电机。动作次数与比例积分微分作用都有关系。一般来说，合适的比例带使得系统波动较小，调节器的输出波动也就小，执行器波动也少；积分的章节已经说过：如果输入偏差不为零，积分作用就会让输出一直向一个方向积下去。积分过强的话，会让执行器一次只动作一点，但是频繁地一点点向一个方向动作；微分作用会让执行器反复波动。

一般来说，国产DKJ系列的执行器的电机耐堵转特性较好，其它性能不一。电机在刚得电动作的时候，电流大约是正常运转电流的5-10倍。电机频繁动作很容易升温，从而烧坏电机。另外对执行机构的传动部件也有较大磨损。

一般来说，不管对于直行程还是角行程，对于国产还是进口，对于智能还是简单的执行器，动作次数不大于10次/分钟。对于一些进口执行器，尤其是日本的，次数还要减少。

对于执行机构是变频调节的（这里是说纯变频调节，而不是指执行机构采用变频电机），可以让参数快点，因为变频器始终处于运行状态。需要注意的是，变频器转速线性不能太陡，否则变频器输出电流大幅度变化，影响变频寿命。

140DAO84210 

Allen Bradley 1336 Plus constant torque AC Drive 10kva

Allen Bradley 1336F-B200-AA-E?N AC Drive 480V 200hp

Allen Bradley AC Motor Drive Manual Bulletin 1333 _ A

ALLEN BRADLEY 1 HP VFD AC DRIVE 1336S-BRF10-AN-?EN-L6 

Allen Bradley AB AC Drive 1336VT-B030-E0R?-FA2-L3 30 HP

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Allen Bradley AC Drive 1333-AAB, Series B 1HP #8791

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Allen Bradley AC Drive 5 HP New

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Allen Bradley 1333 Adjustable Frequency AC Motor Drive

Allen-Bradley 1336 Plus II 25 HP AC Drive 1336F-B020VAF

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NEW SIEMENS SIMOVERT 6SE4872-3EB10 AC DRIVE 88/132 AMP

Allen Bradley AB AC Drive 1336S-B010-AN-E?N-L6 10 HP

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ALLEN BRADLEY 1305-BA01A-HAP SER C .5 hp AC DRIVE

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Allen Bradley AB AC Drive 1336S-B010-AN-E?N-L6 10 HP

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2098-DSD-HV050X?-DN ALLEN BRADLEY AC DRIVE

Allen Bradley 1333-YAB 2HP Adjustable AC Drive AB 2 HP

ALLEN BRADLEY 25 HP AC DRIVE 1336VT-B025-EOP

Allen Bradley 1336-B003-EOD AC Drive, 3PH, 3HP, 460V

ALLEN BRADLEY AC MOTOR DRIVE 160-BA02NPS1P1 209A

Allen Bradley 5 HP AC Drive 1336 Plus II Senorless Vctr

Allen Bradley 1305-BA02A-HAP .75 HP AC Drive & 1201-HAP

Allen Bradley 1336S-AQF50-AA-?EN4 5HP AC Drive 200/240V

Allen Bradley AC Drive 1305 1305-BA03A 1305BA03A 1HP

Allen Bradley 160-BA02NSF1 0.75HP AC Drive 0.75 HP

Allen Bradley 1305- BA04A AC Drive Input 1.5Kw 2HP *

ALLEN BRADLEY 1336S-BRF100 7.5 KW 10 HP AC DRIVE

140DAO84210 

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