D CDA3000 Inverter Drive System 750 W - 132 kW - Igor Chudov

3.3 Grounding lead
connection
CDA3000 Operation Manual
Step Action
1
2
3 Installation
Ground every inverter module!
Connect terminal X1/ in star
configuration to the PE rail (main
ground) in the switch cabinet.
Also connect the grounding lead
connections of all other
components, such as the line choke,
filter, etc., in star configuration, to
the PE rail (main ground) in the
switch cabinet.
PE
Figure 3.2 Star configuration layout of the grounding lead
Note the following points:
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U1 U2 V1 V2 W1 W2
3-6
Note: PE mains connection to
DIN VDE 0100 part 540
Mains connection < 10 mm²:
Grounding lead cross-section min.
10 mm² or use 2 wires with crosssection
of mains leads.
Mains connection > 10 mm²:
Use grounding lead (PE) cross section
according to cross-section of mains
leads.
U1 U2 V1 V2 W1 W2
The grounding lead must be laid out in star configuration to conform
to the EMC standards.
The backing plate must be well grounded.
The motor cable, mains lead and control cable must be laid
separately from each other.
Avoid loops, and lay cable over short distances.
The operational leakage current is > 3.5 mA.
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U1 U2 V1 V2 W1 W2
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