Lenze Inverter EMC - Manual (Page 5)

Preface and general information
3
l
EDBEMV EN 1.3
1 Preface
1.1 General information
Our technological world relies ever more on the use of electronic circuits. Frequency inverters, bus
systems, measuring sensors etc. are expected to mesh satisfactorily under minimum space
requirements.
This is possible only if an acceptable degree of electromagnetic compatibility - EMC - is ensured.
In this context, it is mainly up to the system designer /equipment manufacturer to ensure the
electromagnetic compatibility of system design and wiring.
Thorough assessment of the EMC problem requires profound knowledge of the causes and effects
of EMC interference. This knowledge allows optimum EMC measures to be derived. This brochure
is therefore intended to serve as a guide.
1.2
Cost situation for EMC measures
100
1
Design phase Commissioning
phase
Operating
phase
10
Time of implementation
Cost
factor
Fig. 1 Project of EMC measures - cost development
Any required EMC measure must be integrated as early as during the design phase.
Considering the EMC measures during the design phase results in considerable cost saving. In the
commissioning and operating phase these costs rise considerably.
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