Supply; Shunt Excitation System - SDMO R33C3 User And Maintenance Manual

LEROY-SOMER

1 - SUPPLY

1.1 - SHUNT excitation system

The SHUNT excitation alternator is auto-
excited with a R 250 voltage regulator.
SHUNT SYSTEM
Induced
5+
6-
Field
F1 Slow fuse
250V 8 A
P1
Voltage
P2
Stability
ST4
Option
External potentiometrer
for voltage adjusting
4
Installation and maintenance
R250
A.V.R.
MAIN FIELD
110 0V
KNEE
47.5Hz
LAM OFF
SPECIAL
KNEE
65Hz
LAM OFF
KNEE
57Hz
LAM OFF
218/242
The regulator controls the excitation current
according to the alternator's output voltage.
With a very simple conception, the SHUNT
excitation alternator does not have a short
circuit capacity.
STATOR : 12 wires (marking T1 to T12)
T7
T1
T4 T10
75 mm
R 250
50Hz
LAM
o
OFF
9
1
13%
0
8
2
25%
OFF
3
7
13%
4
6
5 25%
60Hz
LAM
4067 en - 2009.05 / b
T2 T8 T3 T9
T5 T11
T6 T12
4 x holes Ø 5.8 x
50 x 115 mm
Frequency selector 50 Hz
/ 60 Hz for U/F fonction
and LAM adjustement