Operation In The First Environment - Siemens Sinamics G120 Hardware Installation Manual

7.7.1.2

Operation in the first environment

Interference immunity
You do not have to take any additional measures regarding interference immunity.
Interference emission - operation in the first environment, Category C2
In order that you may operate the drive system in the first environment, Category C2, then in
addition to the requirements for use in the second environment, you must also observe the
limit values related to harmonic currents.
Note
Maintaining the limit values for harmonic currents
With respect to the compliance with limits for harmonic currents, the EMC product standard
EN61800-3 for PDS refers to compliance with standards EN 61000-3-2 and EN 61000-3-12.
● Inverters with an LO base load input current ≤ 16 A:
These devices are not subject to any limit values, and as a consequence can be
connected to the public low-voltage grid without any prior consultation.
● Inverters with an LO base load input current > 16 A and ≤ 75 A
The drive system is in compliance with IEC/EN 61000-3-12 under the following
precondition:
– FSC Power Modules: You use a line reactor.
– Short-circuit power S
Power Modules PM240
Hardware Installation Manual, 07/2016, A5E36985441C AA
Note
Line reactor
Contact one of our Solution Partners for a line reactor.
Solution Partners
(https://www.automation.siemens.com/solutionpartner/partnerfinder/Home/Index?coun
try=DE&program=1&technology=19&lang=en).
FSD Power Modules: A line reactor is not required.
SC
grid, is not greater or is equal to the value according to the following formula:
S ≥ 120 ∙ √3∙ U ∙ LO base load input current
SC in
The installation company or company operating the drive system is responsible for
ensuring that this device is only connected at a connection point with an appropriate
short-circuit power (fault level).
7.7 Electromagnetic compatibility of variable-speed drives
at the connection point of the customer's system to the public
Technical data
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