Table Of Contents - Siemens SINAMICS S120 System Manual

Table of contents

Preface ................................................................................................................................................... 5
1 Fundamental safety instructions ............................................................................................................ 11
1.1 General safety instructions ..................................................................................................... 11
1.2 Safety instructions for electromagnetic fields (EMF) .............................................................. 14
1.3 Handling electrostatic sensitive devices (ESD) ...................................................................... 15
1.4 Industrial security .................................................................................................................... 16
1.5 Residual risks of power drive systems .................................................................................... 17
2 General information .............................................................................................................................. 19
3 Grid types ............................................................................................................................................. 21
3.1 Power grid ............................................................................................................................... 21
3.2 Island grid ............................................................................................................................... 23
3.3 Microgrid ................................................................................................................................. 24
4 Standards and directives ....................................................................................................................... 25
4.1 Protection and safety .............................................................................................................. 25
4.2 EMC ........................................................................................................................................ 25
4.3 Grid harmonics ........................................................................................................................ 25
4.4 Grid codes/standards .............................................................................................................. 26
4.5 Standards for Germany, Italy, USA ........................................................................................ 26
5 Function modules .................................................................................................................................. 29
5.1 Overview ................................................................................................................................. 29
5.2 Typical applications of grid infeed to generate power ............................................................ 33
5.3 Description of the function modules ........................................................................................ 34
5.3.1 Line transformer function module ........................................................................................... 34
5.3.1.1 Grid-friendly transformer magnetization ................................................................................. 34
5.3.1.2 Identification of the transformer data ...................................................................................... 35
5.3.1.3 Line filter and transformer monitoring ..................................................................................... 35
5.3.2 Function module for grid droop control ................................................................................... 35
5.3.2.1 Black start in an island grid ..................................................................................................... 39
5.3.2.2 Synchronizing an island grid to an external power grid .......................................................... 39
5.3.3 Function module, dynamic grid support .................................................................................. 40
5.3.3.1 Dynamic grid support .............................................................................................................. 40
5.3.3.2 Grid monitoring anti-islanding ................................................................................................. 43
5.3.3.3 Voltage-time monitoring .......................................................................................................... 44
5.3.3.4 Frequency-time monitoring ..................................................................................................... 44
5.3.3.5 Other monitoring functions that can be activated ................................................................... 45
5.3.4 Cosinus phi display function module ...................................................................................... 45
Grid infeed
System Manual, 04/2015, A5E03347436A
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