商铺名称:厦门兴锐嘉进出口有限公司
联系人:刘锦玉(小姐)
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联系地址:厦门市思明区吕岭路1733号创想中心20楼
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产品名称:BENTLY DCS 系统模块
产品型号:330130-040-00-CN
产品参数:330130-040-00-CN
产品功能:330130-040-00-CN
一、 凸轮操控器的构造
凸轮操控器从外部看,由机械、电气、防护等三有些构造构成。其间手柄、转轴、凸轮、杠杆、弹簧、定位棘轮为机械构造。触头、接线柱和联板等为电气构造。而上下盖板、外罩及灭弧罩等为防护构造。 二、 凸轮操控器操控电路
1 .电路特色
( 1 )可逆对称电路。
( 2 )为削减转子电阻段数及操控转子电阻的触点数,选用凸轮操控器操控绕线型电动机时,转子串接不对称电阻。
( 3 )用于操控进步安排电动机时,进步与下放重物,电动机处于不一样的作业情况。
2 .操控线路剖析
( 1 )主电路剖析凸轮操控器操作手柄使电动机定子和转子电路一同处在左面或右边对应各档操控方位。左右两头转子回路接线彻底一样。当操作手柄处于榜首档时,各对触点都不接通,转子电路电阻悉数接入,电动机转速最低。而处在第五档时,五对触点悉数接通,转子电路电阻悉数短接,电动机转速最高。
( 2 )操控电路剖析 凸轮操控器的别的三对触点串接在触摸器 KM 的操控回路中,当操作手柄处于零位时,触点 1-2 、 3-4 、 4-5 接通,此刻若按下 SB 则触摸器得电吸兼并自锁,电源接通,电动机的运转情况由凸轮操控器操控。
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