Specifications

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SINAMICS G150

Drive converter cabinet units

75 kW to 1500 kW

3/12

Siemens D 11 · 2008

Technical specifications (continued)

EMC guidelines

The electromagnetic compatibility describes - in accordance

with the definition of the EMC directive - the "capability of a de-

vice to work satisfactorily in the electromagnetic environment

without itself causing electromagnetic interferences which are

unacceptable for other devices present in this environment". To

guarantee that the appropriate EMC directives are observed, the

devices must demonstrate a sufficiently high noise immunity,

and also the emitted interference must be limited to acceptable

values.

The EMC requirements for "Variable-speed drive systems" are

described in the product standard EN 61800-3. A variable-

speed drive system (or power drive system PDS) consists of the

drive converter and the electric motor including cables. The

driven machine is not part of the drive system. EN 61800-3 de-

fines different limits depending on the location of the drive sys-

tem, referred to as the first and second environments.

The first environment comprises living accomodation or loca-

tions where the drive system is directly connected to a public

low-voltage network without an intermediate transformer.

The second environment is understood to be all locations out-

side living areas. These are basically industrial areas which are

powered from the medium-voltage network via their own trans-

formers.

Four different categories are defined in EN 61800-3 depending

on the location and the power of the drive:

Category C1: Drive systems for rated voltages < 1000 V for un-

limited use in the first environment.

Category C2: Stationary drive systems for rated voltages

< 1000 V for use in the second environment. U se in the first en-

vironment is possible if the drive system is installed and used by

qualified personnel. The warning and installation information

supplied by the manufacturer must be observed.

Category C3: Drive systems for rated voltages < 1000 V for ex-

clusive use in the second environment.

Category C4: Drive systems for rated voltages % 1000 V or for

rated currents % 400 A for use in complex systems in the second

environment.

The following graphic shows the assignment of the four catego-

ries to the first and second environment:

SINAMICS G150 drive converter cabinet units are almost exclu-

sively used in the second environment (categories C3 and C4).

To limit emitted interference, the SINAMICS G150 drive con-

verter cabinet units are equipped as standard with an R FI sup-

pression filter in accordance with the limit values specified in

Category C3. This means that they meet the requirements for in-

dustrial use. Line filters (option L00) are available for use in the

first environment (Category C2).

SINAMICS G150 drive converter cabinet units fulfill the require-

ments for noise immunity defined in EN 61800-3 for the second

environment and consequently also the lower noise immunity

values in the first environment.

The warning and installation information (part of the device

documentation) must be observed.

First

environm ent

Second

environm ent

G_D213_EN_00009