Electrical installation – Lenze E82xVxxxKxxxxx User Manual
Page 105
Electrical installation
Notes on project planning
Reduction of noise emissions
l
105
EDS82EV903 EN 3.0
The illustration below shows the permissible motor cable length depending on the filter
type for compliance with limit classes C2 and C1. The stated permissible motor cable
lengths may vary depending on the used motor cable, controller and its switching
frequency.
E82ZZxxxxxB200
1) 2)
E82ZZxxxxxB210
1)
E82ZZxxxxxB220
1)
E82ZZxxxxxB230
E82ZNxxxxxB230
1)
1)
(f = 2/4/8 kHz)
(f = 2/4/8 kHz)
ch
ch
E82ZZxxxxxB230
E82ZNxxxxxB230
1)
1)
(f = 16 kHz)
(f = 16 kHz)
ch
ch
EZN3A...
10
20
30
40
50
10
l
[m]
mot
C2
E82ZZxxxxxB200
1) 2)
E82ZZxxxxxB210
1)
E82ZZxxxxxB220
1)
E82ZZxxxxxB230
E82ZNxxxxxB230
1)
1)
(f = 2/4/8 kHz)
(f = 2/4/8 kHz)
ch
ch
EZN3B...
10
20
30
40
50
10
l
[m]
mot
C1
8200vec032
Fig. 6−2
Permissible motor cable lengths
1)
depending on the filter type for compliance with limit class C2 or
C1
1)
Use low−capacitance cables
2)
RFI filters are suitable for operation on 30 mA earth−leakage circuit breaker (guide value: motor cable length = 10 m)