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Shenzhen Meibisi Electric Electric Equipment Co., Ltd.
首页
Products
Products
Intelligent power distribution
Precision Dharma Dating Cabine
Smart bus
PLC frequency conversion contr
Energy -saving product
Applications
Applications
Cooperation Case
Engineering performance
Solution
Solution
Bank data center
Supercomputing center
Education industry
Service
Service
After -sales service
Faq
Download
Company
Company
Company Profile
Honor
Development path
Organization chart
Company culture
Corporate style
News
News
Company news
Media activity
Industry news
Contact us
Contact us
Contact information
Talent recruitment
Shenzhen Meibisi Electric Electric Equipment Co., Ltd.
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相关问题
由UA、BA等控制的ATS有故障报警时如何复位?
2015.04.24
为什么低压一级配电柜设计时,两进一母联系统一般没有机械联锁装置?
2015.04.24
有时断路器在使用时,用手摸上去温度有些高,很担心开关会跳,但电流又没有达到额定电流,怎么办?
2015.04.24
MT控制单元为何有的有显示,有的无显示?
作者:
亿维自动化
发布时间:2015.04.24
1、 如果电流降至0.2*In(In=额定电流)以下,数字显示消失。要保证在20%以上才能保证显示,20%以下有可能显示有可能不显示。
2、 如果在0.2倍额定电流以下仍有显示,则此显示无意义。
3、 控制单元的显示,只能是参考作用,控制单元主要是为MT提供各项保护。
4、 对于现场有些会点亮有此不会点亮面板,是由于控制单元的电源是取自MT的后端,故只有合闸才会亮,或有电源进时会亮。
5、 如果有外接电源,则一定会有显示。
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