Siemens SINAMICS G150 Operating Instructions Manual page 74

Electrical installation
4.5 Introduction to EMC
Noise emissions
Product standard EN 61800–3 outlines the EMC requirements for variable-speed drive
systems. It specifies requirements for converters with operating voltages of less than 1000 V.
Different environments and categories are defined depending on where the drive system is
installed.
Figure 4-1
Figure 4-2
Table 4- 1
First environment
Second environment
72
Definition of the first and second environments
Definition of categories C1 to C4
Definition of the first and second environments
Definition of the first and second environments
Residential buildings or locations at which the drive system is connected to
a public low-voltage supply network without a transformer.
Industrial locations supplied by a medium-voltage network via a separate
transformer.
Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A