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1LG0 Low-voltage Motors
Answers for industry.
产品样本 D81.5 • 01.2010
1LG0 低压交流异步电动机
目录 Table of Contents
总体介绍
Overview ........................................................................... 3电机标准
Motor standards ................................................................ 5机械特性
Mechanical design .............................................................. 6电气特性
Electrical design ................................................................. 10变频应用
Converter fed application ................................................... 11订货号 MLFB confi guration ............................................................ 12选件
Options ............................................................................ 13选型技术数据表
Technical data tables .......................................................... 14外形尺寸
Dimension drawings ......................................................... 20技术支持资料
Technical supporting documentation ................................. 36 证书 Certifi cates
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总体介绍 Overview
Features of Siemens 1LG0 ries
Frame and terminal box material: Grey cast iron Standard colour: Stone Grey RAL 7030
Available in 2,4,6 pole variants with effi ciency class 3 according to GB18613, and effi ciency class IE1 according to IEC60034-30
Specifi c wound stators supporting multiple 3PH mains supply voltages at 50Hz or 60Hz Frame sizes: 80mm ~ 355mm
Rated power range: 0.55kW ~ 315kW at 50Hz Standard mounting types and variations (IEC 60034-7) TEFC with IP55 degree of protection (IEC 60034-5)
Overload capacity of 1.5 times rated current for 2 minutes (IEC 60034-1)
V-ring as standard on DE rotor shaft for motor with FS 80~FS 132, and oil al as option; Oil al as standard for motor with FS160 and above. Anti-condensation heater (space heater) as option Winding protection with PTC and PT100 as option
Insulation class: F, ud according to temperature ri B
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1LG0 系列电动机是全封闭自扇冷却式三相异步电动机，其防护等级为 IP55。1LG0 系列电机设计生产符合 ISO 、IEC 、GB 等相关标准的要求。
1LG0系列电机技术特性
■ 机壳与接线盒材料：灰铸铁■ 标准颜色：石头灰 RAL7030
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2、4、6 极电机达到 GB 18613.2006 标准能效等级 3 级以及IEC 60034-30 标准的 IE1 效率等级要求
■ 特定绕组设计可支持多种输入电压（50Hz 或 60Hz ）■ 机座号：80mm ~ 355mm
■ 额定功率：0.55kW ~ 315kW （50Hz ）■ 标准安装结构型式（IEC60034-7）■ 防护等级：IP55（IEC 60034-5）
■ 可承受 1.5 倍额定电流达 2 分钟（IEC 60034-1）
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对于 FS 1) 80 ~ 132电机，驱动端标配采用 V 形环进行密封，并可以选择采用油封进行密封；对于 FS 160 以上电机，驱动端采用油封进行密封作为标配■ 可选防潮加热带（空间加热器）
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电机可选 PTC 或 PT100 热敏电阻进行绕组保护
The 1LG0 ries of 3 pha asynchronous motors are Totally Enclod Fan Cooled (TEFC) with IP55 environmental protection. The motors are designed and manufactured in accordance with ISO, IEC standards, GB standards.
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FS ，机座号“Frame size ”的英文缩写。
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FS - Frame size.
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1. Torque almost constant; power proportional to speed.
2. Torque increas proportionally with the speed; power proportional to the square of the speed.
3. Torque increas proportionally with the square of the speed; power proportional to the cube of th
e speed.
4. Torque decreas in inver proportion to the speed; power constant.
负载特性曲线 Load torque characteristics
转矩 / 转速特性曲线 Torque / speed characteristic
功率 / 转速特性曲线 Power / speed characteristic
1LG0 系列为铸铁机壳通用型电动机，适用于连续工作制（S1），恒转速，或一定速度范围内的变频调速应用。
■ F 级绝缘系统，并按 B 级温升考核■ 灵活的引出线方向
■ 电机轴驱动端带闭合键槽（A 型键），可选双轴伸■ 电机采用半键平衡
■ FS 160 ~ 355 电机标配排水孔
■ 端盖带环型散热筋，增加散热面积，延长轴承使用寿命■
轴承的润滑方式
• FS 80 ~ 160 电机采用预润滑轴承
• FS 180 ~ 280 电机可选配轴承再润滑装置（选件号：K40）• FS 315 ~ 355 电机标配再润滑装置
Flexible cable entry (Rotatable terminal box)
Rotor shaft with clod keyway (A type key) and NDE shaft extension
Dynamically balanced rotor with a half key Drain plug on FS 160 ~ 355 motor as standard
Ribbed end shields for better bearing heat dissipation and prolonged bearing life
Lubrication of bearing
• FS 80 ~ 160 motor - gread for life
• FS 180 ~ 280 motor - regreasable when ordered with K40 option • FS 315 ~ 355 motor - with regreasing nipple as standard
1. 恒转矩负载；功率与转速成正比，转矩不变
2. 转矩随转速成比例增加；功率与转速的平方成正比
3. 转矩随着转速的平方成比例地增加；功率与转速的立方成正比
4. 恒功率负载；转矩与转速成反比，功率不变
The 1LG0 is a General Purpo Motor with cast iron frame designed for constant or adjustable speed with continuous duty operation (S1) torque over a speed range.
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1LG0电机符合下面的电气和机械标准:
电机标准 Motor standards
The 1LG0 complies with the following electrical and mechanical standards:
铭牌信息
■ 额定电压 Rated voltage ■ 额定频率 Rated frequency ■ 额定功率 Rated output ■ 额定转速 Rated speed ■ 效率 Effi ciency ■ 功率因数 Power factor ■ 接线方式 Connection type ■ 防护等级 Protection degree ■ 产品序列号 Series number ■ 电机选型 Motor type ■ 平衡方式 Balance
■ 绝缘等级 Insulation class ■
重量 Weight
Nameplate
