Siemens SIMOTICS 1LE8 Operating Instructions Manual page 134

Table of contents
4.5 Transport and storage ........................................................................................................ 154
4.5.1 Safety instructions for transport ......................................................................................... 154
4.5.1.1 Types of construction on the rating plate ........................................................................... 156
4.5.2 Transport ........................................................................................................................... 157
4.5.3 Storage ............................................................................................................................. 157
4.5.4 Securing the rotor .............................................................................................................. 159
4.5.5 Commissioning after storage ............................................................................................. 161
4.5.5.1 Insulation resistance and polarization index ....................................................................... 161
4.5.5.2 Lubricating the rolling bearings .......................................................................................... 161
4.5.5.3 Regreasing rolling bearings after storage periods of up to two years ................................... 161
4.5.5.4 Releasing the rotor shipping brace before commissioning ....................................................162
4.6 Ensure adequate cooling .................................................................................................... 163
4.6.1 Interlock circuit for the separately driven fan ...................................................................... 164
4.7 Interlock circuit for anti-condensation heating ................................................................... 164
4.8 Noise emission .................................................................................................................. 165
4.9 Voltage and frequency fluctuations during line operation ................................................... 165
4.10 Rotational speed limit values .............................................................................................. 165
4.11 System-inherent frequencies.............................................................................................. 166
4.12 Electromagnetic compatibility ............................................................................................ 167
4.13 Converter operation ........................................................................................................... 167
4.13.1 Parameterizing the converter ............................................................................................. 167
4.13.2 Converter input voltage ..................................................................................................... 168
4.13.3 Reducing bearing currents ................................................................................................. 169
4.13.4 Insulated bearings for converter operation ......................................................................... 170
4.13.5 Tandem operation ............................................................................................................. 170
4.13.6 Speed limits for converter operation .................................................................................. 170
5 Assembly ............................................................................................................................................. 171
5.1 Safety instructions for installation ...................................................................................... 171
5.2 Preparing for installation .................................................................................................... 171
5.2.1 Requirements for installation ............................................................................................. 173
5.2.2 Insulation resistance .......................................................................................................... 173
5.2.2.1 Insulation resistance and polarization index ....................................................................... 173
5.2.2.2 Checking the insulation resistance and polarization index of the winding ........................... 176
5.3 Installing the motor ........................................................................................................... 176
5.3.1 Preparing the assembly area .............................................................................................. 176
5.3.2 Lift the motor to where it will be mounted and position it .................................................. 177
5.3.3 Motors with type of construction IM B15, IM B9, IM V8 and IM V9 ...................................... 177
5.3.4 Foot mounting .................................................................................................................. 177
5.4 Aligning and fixing the motor ............................................................................................ 178
5.4.1 Measures for alignment and mounting ............................................................................... 178
5.4.2 Flatness of the supporting surfaces for conventional motors............................................... 180
5.4.3 Motor frame mounting feet (special design) ....................................................................... 180
5.5 Installing the motor ........................................................................................................... 180
5.5.1 Preconditions for smooth, vibration-free operation ............................................................. 180
5.5.2 Aligning the motor to the driven machine and mounting ................................................... 180
132 1LE8 轴高 80 ... 355
操作说明, 11/2022, A5E52373573A