Technical Characteristics; Electrical Characteristics; Mechanical Characteristics - SDMO R 340 U User And Maintenance Manual

LEROY-SOMER

2 - TECHNICAL CHARACTERISTICS

1.1 - Electrical characteristics

The LSA 46.2 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).
SHUNT SYSTEM
EXCITER
Armature
5+
Field
AREP SYSTEM
EXCITER
Armature
5+
Field
PMG SYSTEM
EXCITER
Armature
5+
Field
Installation and maintenance
LSA 46.2 - 4 POLES
ALTERNATORS
MAIN FIELD
6-
MAIN FIELD
6-
MAIN FIELD
6-

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
R 250
Aux. windings
R 450
PMG
R 450
217/285
3856 en -
STATOR : 12-wire (marking T1 to T 12)
T2 T8
T1 T7
T5 T11
T4 T10
Power supply / Detection
STATOR : 6 or 12-wire (marking T1 to T 12)
T2 T8
T1 T7
T5 T11
T4 T10
Voltage reference
STATOR : 6 or 12-wire (marking T1 to T12)
T2 T8
T1 T7
T5 T11
T4 T10
Voltage reference
2011.01/ h
T3 T9
T6 T12
T3 T9
T6 T12
T3 T9
T6 T12
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