Siemens SIMOVERT MASTERDRIVES Betriebsanleitung Seite 264

Forming
3AC 400V
Disconnect
Components for the
forming circuit
(suggestion)
DANGER
Procedure
10-2
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Forming
U1/L1
V1/L2
W1/L3
Rectifier
PE1
Fig. 10-1
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 power 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.
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A C R
C / L+ D / L-
Pre-charging DC link
Forming circuit
Un A
SKD 62 / 16
Operating Instructions
08.2009
Motor-
connection
U2/T1
V2/T2
W2/T3
Inverter
PE2
R C
Ω
470 / 100 W 22 nF / 1600 V
6SE7087-6JD50 Siemens AG
SIMOVERT MASTERDRIVES