Siemens SIMOVERT MASTERDRIVES Motion Control Instructions De Service page 292

Forming
3 AC 400 V
Forming
Disconnect
U1/L1
V1/L2
W1/L3
Rectifier
PE1
Components for the
forming circuit
(suggestion)
DANGER
Procedure
10-2
A C
C / L+
Precharging
Fig. 10-1 Forming circuit
Types E to G:
Vrated
3AC 380 V to 480 V
Type K:
Vrated
3AC 380 V to 480 V
The unit has hazardous voltage levels up to 5 minutes after it has been
powered down due to the DC link capacitors. The unit or the DC link
terminals must not be worked on until at least after this delay time.
♦ Before you form the unit, all mains connections must be
disconnected.
♦ The converter incoming supply must be switched off.
♦ The unit is not permitted to receive a switch-on command (e.g. via
the keyboard of the PMU or the terminal strip).
♦ Connect the required components in accordance with the circuit
example.
♦ Energize the forming circuit. The duration of forming is approx. 1
hour.
R
D / L-
DC link Inverter
A
Ω
SKD 62 / 16 330
A
Ω
SKD 62 / 16 100
6SE7087-7JK50
Operating Instructions
09.2006
Motor
connection
U2/T1
V2/T2
W2/T3
PE2
R C
/ 150 W 22 nF / 1600 V
R C
/ 500 W 22 nF / 1600 V
Siemens AG
SIMOVERT MASTERDRIVES