5
LEROY-SOMER
2011.03/ g
Installation and maintenance
LSA 47.2 - 4 POLES
ALTERNATORS
3742 en -
2 - TECHNICAL CHARACTERISTICS
1.1 - Electrical characteristics
The LSA 47.2 alternator is a machine
without sliprings or revolving armature
brushes, wound as “2/3 pitch”, 6 or 12-
wire, with class H insulation and a field
excitation system available in either
SHUNT, AREP or «PMG» version (see
diagrams and AVR manuals).
2.1.1 - Electrical options
- Stator temperature detection sensors
- Bearing sensors (PTC, PT100, etc)
- Space heater
Interference suppression conforms to
standard EN 55011, group 1, class B
(Europe).
2.2 - Mechanical characteristics
- Steel frame
- Cast iron end shields
- Protected ball bearings, greased for life
- Mounting arrangements:
IM 1201 (MD 35) foot and flange mounted,
single-bearing with SAE coupling disc.
IM 1001 (B 34) double-bearing with SAE
flange and standard cylindrical shaft
extension.
- Drip-proof machine, self-cooled
- Degree of protection: IP 23
2.1.1 - Mechanical options
- Air inlet filter
- Regreasable ball bearings
- IP 44 protection
T1
T2
T3
T4
T5
T6
Va
ris
to
r
5+
6-
T7
T8
T9
T10
T11
T12
R 250
SHUNT SYSTEM
AREP SYSTEM
PMG SYSTEM
STATOR : 12-wire (marking T1 to T 12)
EXCITER
Field
Armature
EXCITER
Field
Armature
EXCITER
Field
Armature
MAIN FIELD
Power supply / Detection
T1
T2
T3
T4
T5
T6
Va
ris
to
r
5+
6-
T7
T8
T9
T10
T11
T12
R 450
Aux. windings
STATOR : 6 or 12-wire (marking T1 to T 12)
MAIN FIELD
Voltage reference
T1
T2
T3
T4
T5
T6
Va
ris
to
r
5+
6-
T7
T8
T9
T10
T11
T12
R 450
PMG
STATOR : 6 or 12-wire (marking T1 to T12)
MAIN FIELD
Voltage reference
229/297
Содержание R570U
Страница 1: ...User and maintenance manual for generating sets R570U 33504081501NE_1_1 ...
Страница 15: ...Alternator Cabinet Figure 1 3 Examples of identification plates 13 297 ...
Страница 18: ...Sockets voltage 208 120V 16 297 ...
Страница 32: ...Figure 4 3 Braking transmission Figure 4 4 Cross bar fitting Figure 4 5 Tandem bearing fitting 30 297 ...
Страница 125: ...9 Appendix 9 1 Appendix A Engine user and maintenance manual 123 297 ...
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Страница 129: ...OPERATOR S MANUAL Generating set and industrial engines 16 liter EMS 2 127 297 ...
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Страница 221: ... 2011 AB VOLVO PENTA Volvo reserves the right to make changes Printed on environmentally friendly paper 219 297 ...
Страница 222: ...7748681 English 12 2011 220 297 ...
Страница 223: ...9 2 Appendix B Alternator user and maintenance manual 221 297 ...
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