18
LEROY-SOMER
2013.01 / k
Installation and maintenance
LSA 43.2/44.2 - 4 POLES
ALTERNATORS
3434 en -
• 3-phase LSA 44.2: 4-pole, SHUNT
excitation
Resistances at 20 °C (
Ω
)
LSA 44.2
Stator L/N Rotor Field Armature
VS3
0.046
2.51
18.4
0.5
VS45
0.046
2.51
18.4
0.5
S7
0.036
2.91
18.4
0.5
S75
0.036
2.91
18.4
0.5
M95
0.024
3.32
18.4
0.5
L12
0.019
3.66
18.4
0.5
Field excitation current i exc (A) - 400 V - 50 Hz
«i exc»: excitation current of the exciter field
LSA 44.2
no load
at load
VS3
0.5
1.8
VS45
0.5
2.1
S7
0.5
1.9
S75
0.5
2.1
M95
0.6
2
L12
0.5
1.9
• 3-phase LSA 44.2: 4-pole, AREP
excitation
Resistances at 20 °C (
Ω
)
LSA
44.2
Stator
L/N Rotor
Wind.
X1,X2
Wind.
Z1,Z2 Field Armat.
VS3
0.046 2.51
0.3
0.5
4.6
0.5
VS45
0.046 2.51
0.3
0.5
4.6
0.5
S7
0.036 2.91 0.21 0.32
4.6
0.5
S75
0.033 2.91 0.21 0.32
4.6
0.5
M95
0.024 3.32 0.17 0.28
4.6
0.5
L12
0.019 3.66 0.16 0.21
4.6
0.5
Field excitation current i exc (A) - 400 V - 50 Hz
«i exc»: excitation current of the exciter field
LSA 44.2
no load
at load
VS3
1
3.6
VS45
1
4.2
S7
1
3.8
S75
1
4.2
M95
1.2
4
L12
1
3.8
• Dedicated single-phase LSA 44.2:
4-pole, SHUNT excitation (60 Hz only)
Resistances at 20 °C (
Ω
)
LSA 44.2
Stator L/N Rotor Field Armature
VS3
0.0194
2.51
18.4
0.5
VS45
0.0194
2.51
18.4
0.5
S7
0.0140
2.91
18.4
0.5
M95
0.0088
3.32
18.4
0.5
Field excitation current i exc (A) - 240 V - 60 Hz
«i exc»: excitation current of the exciter field
LSA 44.2
no load
at load
VS3
0.44
1.18
VS45
0.44
1.25
S7
0.43
1.2
M95
0.55
1.28
• Table of weights
(values given for information only)
LSA 43.2
Total weight (kg)
Rotor (kg)
S1
220
76
S15
220
76
S25
220
76
S35
240
80
M45
270
90
L65
290
102
L8
330
120
LSA 44.2
Total weight (kg)
Rotor (kg)
VS3
405
140
VS45
405
140
S7
460
165
S75
460
165
M95
515
185
L12
570
210
After operational testing, it is essential to
replace all access panels or covers.
Summary of Contents for LSA 43.2
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