产品系列：JR系列绕线型三相异步电动机详细资料：无浏览次数：171一、主要用途 JS、JR、JK、JSL系列电动机为中型三相异步电动机。可供驱动各种不同机械，如通风机、压缩机、水泵、破碎机、切削机床、运输机械及其它设备之用。广泛应用于煤矿、机械工业、发电厂、钢铁厂及各种工矿企业中无防爆、防腐要求的场合作原动机之用。二、结构型式和特点 JK系列为高速电机，同步转速3000转/分钟，其余三个系列电机的同步转速有1500、1000、750、600、500、375转/分钟供选择。 电机为防护式。JS、JR、JK系列电机也可制成管道通风式。采用二侧对称的径向通风系统。 JS、JR系列电机的基本安装形式为卧式D2结构，即具有二个端盖轴承和一个圆柱形轴伸。可采用联轴器与被驱动机械联接。部分电动机可制成DD2结构，即电机安装在铸铁底板上，并装有第三个座式轴承，便于用户安装皮带轮。JS系列电机可以按照用户要求制成双轴伸电机。 JK系列电机的基本安装形式亦为卧式DD2结构，具有二个圆柱形轴伸，其任一个轴伸都可以用来传递电动机的额定功率。 JSL系列电动机为立式结构。 JS、JK、JSL系列为鼠笼型电动机。允许全电压直接启动。 JR系列为三相绕线型电动机，通过转子外接电阻，能在较小的起动电流下具有较大的起动转矩，并能在小范围内调速。滑环装在非工作轴伸上，外有防护罩。电流自线圈经过轴孔中的电缆通到滑环和电刷，防止电刷粉末沾污绕组，减轻了线圈的维护工作。 额定频率50Hz，额定电压有220/380V、380V、3000V、6000V四种。 按用户要求，可制作频率60Hz，异电压和额定电压10000V的高压电机。 高压电动机定子主绝缘采用环氧粉云母带包扎，并经真空干燥处理。整体压力浸渍绝缘，性能可靠。型号额定功率KW额定电压V满载时最大转矩────额定转矩倍转子转子转动惯量kg.m2转速r.p.m额定电流A效率%功率因数cos 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