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RMW1断路器-上海人民电器厂

2013/12/31 14:40:32      点击:
RMW1断路器结构特点:
1、RMW1断路器有固定式和抽屉式之分,把固定式断路器本体装入专用的抽屉座就成为抽屉式断路器。断路器本体由触头系统、灭弧系统、操动机构、电流互感器、智能控制器和辅助开关、二次插接件、欠压、分励脱扣器部件组成;抽屉座带有导轨的左右测板、底座和横梁等组成。
2、RMW1断路器触头系统、采用一档触头触头系统,在同一触头的不同部位,触头单元既具有主触头的功能,也具有弧触头的功能,采用新型耐弧材料,使触头在分断路器电流后不致过分发热而引起温升过高。触头系统采用多路并联,降低电动斥力,提高触头系统的电动稳定性。
3、RMW1断路器灭弧室、每个极设有一个灭弧室,其作用是将各电极隔开,并相互绝缘,与断路器的其他部分及操作人员相隔离;灭弧室全部置于绝缘底座内,增加了灭弧室壁的机械强度,不致在分断大短路电流时炸裂。
4、RMW1断路器操作机构和手动、电动传动机构、机构位于断路器正面,操动机构采用五连杆的自由脱口机构,并设计成贮能形式。在使用过程中,机构总是处于预贮能位置,只要断路器一接到合闸命令,断路器就能立即瞬时闭合。预贮能的释放可用手动释能按钮或合闸电磁铁来完成。电动传动机构自成一体,贮能轴与主轴之间通过凹凸形契口活动联结,装拆方便。[1-2]
智能断路器特性:
交流额定电流630~5000A
短路分断能力80KA~120KA(有效值)
额定工作电压AC690V及以下
DW45万能式断路器具有3极和4极
分类:
1.RMW1断路器按安装方式分:a、固定式 b、抽屉式
2.RMW1断路器按极数分:三极、四极
3.RMW1断路器按操作方式分:a、电动操作 b、手动操作(检修、维护用)
4.RMW1断路器脱扣器种类:智能控制器、欠电压瞬时(或延时)脱扣器、分励脱扣器。
5.RMW1断路器智能控制器性能:
A.RMW1断路器智能控制器分为:H型(通讯用)、M型(普通智能型)、L型(经济型);B.具有过载长延时反时限,短延时反时限、定时限,瞬时功能?捎捎没ё孕猩瓒ㄗ槌伤枰谋;ぬ匦; C.单相接地;すδ;D.显示功能:整定电流显示、动作电流显示、各线电压显示(电压显示应在订货时提出);E.报警功能:过载报警: F.自检功能:过热自检,微机自诊断;G.试验功能:试验控制器的动作特性。
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