Siemens simovert masterdrives Betriebsanleitung Seite 51

05.2005
U1/L1
Mains
V1/L2
connection
W1/L3
PE
U1 / L1
Mains
V1 / L2
connection
W1 / L3
PE
Siemens AG 6SE7087-6NP85-0AA0
SIMOVERT MASTERDRIVES
Rectifier
Fig. 2-1 Circuit principle of the 15 kW rectifier unit
Controlled
rectifier
Fig. 2-2 Circuit principle of the 50 kW/100 kW rectifier units
Operating Instructions
Brake chopper
Pre-charging
Brake
chopper
G
H
C / L+
D / L−
PE
Description
G
Braking
resistor
H
Pre-charging
C'
of capacitor
D'
module
C / L+
DC link
connection
D / L-
PE3
Braking
resistor
DC link
connection
2-3