Ac Connection; Ac Supply 230 V / 400 V 3-Phase; Figure 16: Connection Of The Mains Supply 3-Phase Devices - KEB COMBIVERT S6 Series Instructions For Use Manual

cONNecTION Of THe POWer UNIT

4.2.4 Ac connection

4.2.4.1 AC supply 230 V / 400 V 3-phase

L1
L2
L3
PE
No. Type
Mains voltage
1 Mains form
Personal protection
2 Mains fuses
3 Mains contactor
4 Mains choke
5 HF filter
6 KEB COMBIVERT
Figure 16: Connection of the mains supply 3-phase devices
The service life of drive controllers with voltage DC link depends on the DC voltage,
surrounding temperature and the current load of the electrolytic capacitors in the DC
link. The use of mains chokes can increase the service life of the condensators to a
considerable extent, especially when connecting to „hard" power systems or under
permanent drive load (continuous duty). The term "hard" power system means that
the nodal point power (S
apparent output power of the drive controller (S
S
net
k = –––– >> 200
S
out
The rated voltage between one phase conductor and earth potential (or arti-
ficial neutral point in the IT mains) must not exceed 300V (effective value).
RCMA with separator or RCD type B
=>
„4.2.6.2 Cable-fed disturbances depending on the motor cable length at
Optional to observance the limit values according
) of the mains is very high (>> 200) compared to the rated
net
2 MVA (supply transformer)
e.g. k = –––––––––––––––––––––
4 kVA (10S6)
L1
L2
L3
Description
3-phase 230 / 400 V AC
TN, TT
Type gG
─
AC supply"
without internal filter
S6
).
out
= 500
U
V
W
IT
Earth leakage monitor
for devices
EN 61800-3
––> Choke required
57