Siemens SINAMICS G120, Руководство по установке

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Power Module PM240-2
Hardware Installation Manual, 01/2020, A5E33294624B AL
5
Table of contents
Preface ................................................................................................................................................... 3
1 Fundamental safety instructions .............................................................................................................. 9
1.1
General safety instructions ....................................................................................................... 9
1.2 Equipment damage due to electric fields or electrostatic discharge ...................................... 14
1.3 Warranty and liability for application examples ...................................................................... 14
1.4 Security information ................................................................................................................ 15
1.5 Residual risks of power drive systems .................................................................................... 16
2 Introduction ........................................................................................................................................... 17
3 Installing ............................................................................................................................................... 19
3.1
Installation conditions.............................................................................................................. 19
3.2 EMC-compliant installation of a machine or system ............................................................... 22
3.2.1 Control cabinet ........................................................................................................................ 23
3.2.2 Cables ..................................................................................................................................... 25
3.2.3 Electromechanical components .............................................................................................. 27
3.3 Power losses and air cooling requirements ............................................................................ 28
3.4 Mounting the Power Modules ................................................................................................. 29
3.4.1 Sequence for installing the Power Module ............................................................................. 30
3.4.2 Dimension drawings and drilling dimensions for built-in units - IP20 devices ........................ 31
3.4.3 Dimension drawings and drilling dimensions for PT Power Modules ..................................... 33
3.4.4 Mounting the shield plates ...................................................................................................... 36
3.4.5 Hoisting gear FSD ... FSG ...................................................................................................... 41
3.4.6 Additional components............................................................................................................ 42
4 Connecting ........................................................................................................................................... 43
4.1
Permissible line supplies ........................................................................................................ 46
4.1.1 TN line system ........................................................................................................................ 47
4.1.2 TT line system ......................................................................................................................... 48
4.1.3 IT system ................................................................................................................................ 49
4.1.4 Requirements for the protective conductor ............................................................................. 50
4.1.5 Using several single-phase converters in machines and plants ............................................. 51
4.2 Connecting the line and motor cable at the converter ............................................................ 53
4.2.1 Connection overview............................................................................................................... 53
4.2.2 Length of the motor cable ....................................................................................................... 56
4.2.3 Connection terminals at the converter .................................................................................... 57
4.2.4 Establishing connections ........................................................................................................ 58
4.3 STO via Power Module terminals ........................................................................................... 63
4.4 Connecting the motor to the converter in a star or delta connection ...................................... 64