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Notes on EMC

You will find further informa-
tion in publication:
Technical Guide chapter:
EMC Compliant Installation
and Configuration for a
Power Drive System
First environment (residential area with light industry) with PDS category C2
Not applied, since category C1 (general distribution sales channel) excluded
Not applicable
Medium-voltage network
Supply transformer for a residential
Residential area
area (rating normally
Earthed
neutral
Earthed public 400-V
network with neutral
conductor
Mains filter
Line reactor
Converter
Converter
M
M
Operation at public
An isolating transformer
low-voltage network
with an earthed screen
together with other
and earthed iron core
loads of all kinds.
renders mains filter and
line reactor superfluous.
8
3ADW000404R0100 | DCS800 Quick guide edsp a
The paragraphs below describe selection
of the electrical components in conformity
with the EMC Guideline.
The aim of the EMC Guideline is, as the
name implies, to achieve electromagnetic
compatibility with other products and
systems. The guideline ensures that the
emissions from the product concerned
are so low that they do not impair another
product's interference immunity.
In the context of the EMC Guideline, two
aspects must be borne in mind:
– the product's interference immunity
– the product's actual emissions
Light industry
1,2 MVA)
Line reactor +
Y-capacitor
Converter
M
Operation at public
low-voltage network
together with other
loads of all kinds.
The EMC Guideline expects EMC to be taken
into account when a product is being devel-
oped; however, EMC cannot be designed in, it
can only be quantitatively measured.
Note on EMC conformity
The conformity procedure is the responsibility
of both the power converter's supplier and the
manufacturer of the machine or system con-
cerned, in proportion to their share in expand-
ing the electrical equipment involved.
satisfied
satisfied
Medium-voltage network
Supply transformer for a residential
area (rating normally
Earthed public 400-V
network with neutral
conductor
Mains filter
Line reactor
Converter
M
M
M
low-voltage network
Residential area
1.2 MVA)
Earthed
neutral
Earthed public 400-V
network with neutral
conductor
Mains filter
Line reactor
Converter
Converter
M
M
Operation at public
An isolating transformer
with an earthed screen
together with other
and earthed iron core
loads of all kinds.
renders mains filter and
line reactor superfluous.

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