Lenze i750 - Compliance with EMC Category C2 (Residential Areas)

Compliance with EMC category C2 (r
esidenal areas)
Applicaons for the "rst environment" in residenal areas must comply with EMC category
C2.
DC bus connecon with one supplier or suppliers connected in parallel
Precondions
•
Max. motor cable length per inverter: 50 m.
•
The maximum sum of all motor cable lengths ∑ l
mot
must be observed:
When oper
ang with RFI lter without mains choke: Compliance with EMC
category C3 only for switching frequencies 4 kHz and 8 kHz.
∑ l
mot
f
or compliance with EMC category C2:
∑ I
mot
[m]
C2-2
n
20
18
16
14
12
10
8
6
4
2
50 100 150 200 250 300 400 500350 450
C2-1
Fig. 7: Max. sum of all motor cable lengths for compliance with EMC category C2
n Number of inverters
C2-1
Max. Sum of all motor cable lengths
with RFI lter E94AZRPxxxx
C2-2 Max. Sum of all motor cable lengths
with mains lter E94AZMPxxxx
Informaon on pr
oject planning
DC-bus connecon
Compliance with EMC category C2 (residenal areas)
41