Connections 02.00
6-2 Siemens AG 6RX1700-0AD76
SIMOREG DC Master Operating Instructions
6.1 Installation instructions for proper EMC installation of drives
NOTE
These installation instructions do not purport to handle or take into account all of the equipment
details or versions or to cover every conceivable operating situation or application. If you require
more detailed information, or if special problems occur, which are not handled in enough detail in
this document, please contact your local Siemens office.
The contents of these installation instructions are not part of an earlier or existing agreement or
legal contract and neither do they change it. The actual purchase contract represents the
complete liability of the A&D Variable-Speed Drives Group of Siemens AG. The warrant
conditions, specified in the contract between the two parties, is the only warranty which will be
accepted by the A&D Variable-Speed Drives Group. The warranty conditions specified in the
contract are neither expanded nor changed by the information provided in the installation
instructions.
6.1.1 Fundamental principles of EMC
6.1.1.1 What is EMC
EMC stands for "electrom
agnetic compatibility" and defines the capability of a piece of equipment to
operate satisfactorily in an electromagnetic environment without itself causing electromagnetic
disturbances that would adversely affect other items of equipment in its vicinity.
Thus, different items of equipment must not adversely affect one another.
6.1.1.2 Noise radiation and noise immunity
EMC is dependent on two characteristics of the equipment/units involved, i.e. radiated noise and
noise immunity. Items of electrical equipment can either be fault sources (transmitters) and/or noise
receivers.
Electromagnetic compatibility exists if the fault sources do not adversely affect the function of the
noise receivers.
An item of equipment can be both a fault source and a fault receiver. For example, the power
section of a converter must be regarded as a fault source and the control section as a noise
receiver.
6.1.1.3 Limit values
Electrical drives are governed by Product Standard EN 61800-3. According to this standard, it is not
necessary to implement all EMC measures for industrial supply networks. Instead, a solution
adapted specifically to the relevant environment can be applied. Accordingly, it may be more
economical to increase the interference immunity of a sensitive device rather than implementing
noise suppression measures for the converter. Thus, solutions are selected depending on their
cost-effectiveness.
SIMOREG DC Master converters are designed for industrial applications (industrial low-voltage
supply system, i.e. a system that does not supply domestic households).
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