SDMO R570U - SHUNT or Separate Excitation System

2012.03 / e
LEROY-SOMER
7
Installation and maintenance
R 450
AVRs
4531 en -
2.3 - SHUNT or separate excitation
system
With SHUNT excitation, the AVR is powered
by the main winding (100V to 140V -
50/60 Hz ) by using X1, X2 on the AVR.
The rotating switch should be in the SHUNT/
AREP position (see 3.2.3).
SHUNT SYSTEM
T1
T2 T3
T4
T5
T6
Varistor
5+
6-
T7
T8
T9
T10
T11
T12
X2
X1
Field
Armature
STATOR : 6 wires ( T1 to T6)
STATOR : 12 wires ( T1 to T12)
MAIN FIELD
R 450
VO IR N OT I CE SE E N O TI C E
VOLT. STAB. I EXC
STAT.
FUSIBLES / FUSES
1k
3PH.
S1 S2
50 Hz
60 Hz
EXT FREQ
SETTING
7
LAM
OFF
LAM
ON
ONLY FOR
SPECIAL
CONFIG.
KNEE
LAM OFF
65Hz
LAM
OFF
LAM
MODE 2
LAM
MODE 1
LAM
OFF
LAM
MODE 2
LAM
MODE 1
50Hz
EXT.FREQ.
SET.
60Hz
0 5
6
9
8
1
2
3
4
SERIES
LSA
49.1 / 50.2
7000 / 8000
SERIES
LSA
49.1 / 50.2
7000
/ 8000
SERIES
LSA
46.2 / 47.2
5000 / 6000
SERIES
LSA
46.2 / 47.2
5000
/ 6000
2
3
0
1
RAPIDE
FAST
RAPIDE
FAST
NORMAL
NORMAL
NORMAL
NORMAL
SHUNT / AREP
PMG
2
3
0
1
0
9
8
7
6
5
4
3
2
1
0
3
2
1
0
3
2
1
LEDS
USC
Installation & maintenance manual :
www.leroy-somer.com
380V 220 110 0V E- E+ Z2 X1 Z1 X2
1 PHASE SENSING
3 PAHASES SENSING
267/297