Low Voltage alternators - 4 pole LSA 49.1 - 12 wires 580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz Electrical and mechanical data 5019 en - 2014.11 /a
Low Voltage alternators - 4 poleLSA 49.1 - 12 wires
580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Electrical and mechanical data5019 en - 2014.11 /a
2 Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
SPECIALLY ADAPTED TO APPLICATIONSThe LSA 49.1 alternator is designed to be suitable for typical generator applications, such as: backup, marine applications, rental, telecommunications, etc.
COMPLIANT WITH INTERNATIONAL STANDARDSThe LSA 49.1 alternator conforms to the main international standards and regulations: - IEC 60034, NEMA MG 1.32-33, ISO 8528-3, CSA / UL 1446 (UL 1004 on request), marine regulations, etc.It can be integrated into a CE marked generator.The LSA 49.1 is designed, manufactured and marketed in an ISO 9001 environment and ISO 14001.
TOP OF THE RANGE ELECTRICAL PERFORMANCE ● Class H insulation. ● Standard 6-wire re-connectable winding, 2/3 pitch, type no. 6. ● Voltage range 50 Hz: 380V - 400V - 415V and 220V - 230V - 240V. ● Voltage range 60 Hz: 380V - 416V - 440V - 480V and 220 V - 240 V. ● High efficiency and motor starting capacity. ● Other voltages are possible with optional adapted windings: 50 Hz : 440 V (no. 7). ● R 791 interference suppression conforming to standard EN 55011 group 1 class B standard for European zone (CE marking).
EXCITATION AND REGULATION SYSTEM SUITED TO THE APPLICATION
Excitation system Regulation options
Volageregulator AREP PMG
Current transformer
for parallelingMains
paralleling3-phasesensing
3-phase sensing formains paralleling
unbalancedRemote voltagepotentiometer
R450 Std Option C.T. R726 R731 R734 √D510C Option Option C.T. included included contact factory √
Voltage regulator accuracy ± 0.5% - √ : possible mounting PROTECTION SYSTEM SUITED TO THE ENVIRONMENT ● The LSA 49.1 is IP 23. ● Standard winding protection for clean environments with relative humidity ≤ 95 %, including indoor marine environments. Options : ● Filters on air inlet : derating 5%. ● Filters on air inlet and air outlet (IP 44) : derating 10%. ● Winding protections for harsh environments and relative humidity greater than 95%. ● Space heaters. ● Thermal protection for winding.
REINFORCED MECHANICAL STRUCTURE USING FINITE ELEMENT MODELLING ● Compact and rigid assembly to better withstand generator vibrations. ● Steel frame. ● Cast iron flanges and shields. ● Twin-bearing and single-bearing versions designed to be suitable for engines on the market. ● Half-key balancing. ● Regreasable bearings. ● Standard direction of rotation: clockwise when looking at the drive end view (for anti-clockwise, derate the machine by 5%).
ACCESSIBLE TERMINAL BOX PROPORTIONED FOR OPTIONAL EQUIPMENT ● Easy access to the voltage regulator and to the connections. ● Possible inclusion of accessories for paralleling, protection and measurement. ● Connection bar for reconnecting voltage.
3
Phase 3 ph. 3 ph. 3 ph. 3 ph.Y 380V 416V 440V 480V 380V 416V 440V 480V 380V 416V 440V 480V 380V 416V 440V 480V
∆ 220V 240V 220V 240V 220V 240V 220V 240V
YY 208V 220V 240V 208V 220V 240V 208V 220V 240V 208V 220V 240V
LSA 49.1 S3 kVA 590 640 670 720 531 576 603 648 620 672 705 756 650 706 740 795
kW 472 512 536 576 425 461 482 518 496 538 564 605 520 565 592 636
LSA 49.1 M5 kVA 740 790 830 870 666 711 747 783 777 830 872 915 816 871 915 960
kW 592 632 664 696 533 569 598 626 622 664 698 732 653 697 732 768
LSA 49.1 M7 kVA 850 910 930 930 765 820 837 837 893 956 976 976 937 1000 1023 1023
kW 680 728 744 744 612 656 670 670 714 765 781 781 750 800 818 818
LSA 49.1 L9 kVA 880 940 980 1025 792 846 882 925 924 987 1029 1080 970 1036 1080 1130
kW 704 752 784 820 634 677 706 740 739 790 823 864 776 829 864 904
LSA 49.1 L11 kVA 960 1040 1080 1165 865 940 975 1054 1010 1095 1135 1220 1056 1145 1190 1280
kW 768 832 864 932 692 752 780 843 808 876 908 976 845 916 952 1024
Phase 3 ph. 3 ph. 3 ph. 3 ph.Y 380V 400V 415V 440V 380V 400V 415V 440V 380V 400V 415V 440V 380V 400V 415V 440V
∆ 220V 230V 240V 220V 230V 240V 220V 230V 240V 220V 230V 240V
YY 200V 220V 200V 220V 200V 220V 200V 220V
LSA 49.1 S3 kVA 580 560 522 510 610 590 641 616
kW 464 448 418 408 488 472 513 493
LSA 49.1 M5 kVA 680 650 612 590 715 690 751 715
kW 544 520 490 472 572 552 601 572
LSA 49.1 M7 kVA 725 700 655 635 760 735 800 770
kW 580 560 524 508 608 588 640 616
LSA 49.1 L9 kVA 860 770 774 700 903 810 948 845
kW 688 616 619 560 722 648 758 676
LSA 49.1 L11 kVA 950 900 855 810 1000 945 1045 990
kW 760 720 684 648 800 756 836 792
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
General characteristics - 12 wires
Ratings 60 Hz - 1800 R.P.M.
Ratings 50 Hz - 1500 R.P.M.
kVA / kW - P.F. = 0.8Duty/T°C Continuous duty/40°C Continuous duty/40°C Stand-by/40°C Stand-by/27°CClass/T°K H/125°K F/105°K H/150°K H/163°K
kVA / kW - P.F. = 0.8Duty/T°C Continuous duty/40°C Continuous duty/40°C Stand-by/40°C Stand-by/27°CClass/T°K H/125°K F/105°K H/150°K H/163°K
Insulation class H Excitation system AREP or PMGWinding pitch 2/3 (n° 6) AVR type R 450Number of wires 12 Voltage regulation (*) ± 0.5 %Protection IP 23 Short-circuit current 300% (3 IN) : 10sAltitude ≤ 1000 m Totale Harmonic distortion THD (**) at no load < 3.5 % - on load < 3.5 %Overspeed 2250 min-1 Waveform: NEMA = TIF (**) < 50Air flow except L11 1 m3/s (50 Hz) - 1.2 m3/s (60 Hz)Air flow L11 1.2 m3/s (50 Hz) - 1.4 m3/s (60 Hz)(*) Steady state. (**) Total harmonic distortion between phases, no-load or on-load (non-distorting)
4
S3 M5 M7 L9 L11Kcc 0.39 0.35 0.43 0.44 0.39Xd 322 345 301 297 329Xq 193 207 180 178 197
T’do 1929 2039 2047 2111 2111X’d 16.6 16.9 14.7 14.1 15.5T’d 100 100 100 100 100X”d 13.3 13.5 11.7 11.2 12.4T”d 10 10 10 10 10X”q 15.7 15.5 13.1 12.2 13.5Xo 0.46 0.90 0.84 0.65 0.97X2 14.55 14.52 12.47 11.79 13.02Ta 15.0 15.0 15.0 15.0 15.0
io (A) 0.89 0.83 0.92 0.92 0.80ic (A) 3.37 3.33 3.24 3.21 3.06uc (V) 39.7 39.1 38.0 37.6 35.6
ms 500 500 500 500 500kVA 1246.7 1434.1 1757.6 2179.9 2186.4% 12.1 12.2 10.9 10.6 11.4W 7765 7982 9000 9868 11036W 32016 33370 32704 36210 38636
LSA 49.1 S3 LSA 49.1 L9
LSA 49.1 M5 LSA 49.1 L11
LSA 49.1 M7
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Short-circuit ratioDirect-axis synchro. reactance unsaturatedQuadrature-axis synchro. reactance unsaturatedNo-load transient time constantDirect-axis transient reactance saturatedShort-circuit transient time constantDirect-axis subtransient reactance saturatedSubtransient time constantQuadrature-axis subtransient reactance saturatedZero sequence reactance unsaturatedNegative sequence reactance saturatedArmature time constant
Other class H/400 V dataNo-load excitation currentOn-load excitation currentOn-load excitation voltageResponse time (∆U = 20% transient)Start (∆U = 20% cont. or 50% trans.) Transient ∆U (on-load 4/4) - P.F.: 0.8 LAG
No-load lossesHeat dissipation
Efficiencies 50 Hz (— P.F.: 0.8) (...... P.F.: 1 ) - 12 wires
Reactances (%). Time constants (ms) - Class H / 400 V
5
0%
5%
10%
15%
20%
25%
30%
0 500 1000 1500 2000 2500 3000 3500
0%
5%
10%
15%
20%
25%
30%
35%
40%
0 500 1000 1500 2000 2500 3000 3500
0%
5%
10%
15%
20%
25%
30%
35%
40%
0 1000 2000 3000 4000 5000 6000
L11 L9 M7 M5 S3
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Transient voltage variation 400V - 50 Hz - 12 wires
1) For a starting P.F. differing from 0.6 the starting kVA have to be multiplied by (Sine φ / 0.8)2) If voltage is not 400V (Υ), 230V (∆) at 50 Hz then kVA must be multiplied by (400/U)² or (230/U)²
kVA at P.F. = 0.8
kVA at P.F. = 0.8
kVA at P.F. = 0.6 - Locked rotor
Application
Rejection
Motor starting
Volta
ge d
ipVo
ltage
rise
Volta
ge d
ip
6
S3 M5 M7 L9 L11Kcc 0.38 0.33 0.40 0.44 0.39Xd 333 367 321 295 336Xq 199 220 193 177 201
T’do 1929 2039 2047 2111 2111X’d 17.2 18.0 15.7 14.0 15.9T’d 100 100 100 100 100X”d 13.8 14.4 12.5 11.2 12.7T”d 10 10 10 10 10X”q 16.2 16.5 14.0 12.2 13.8Xo 0.56 0.49 0.04 0.34 0.11X2 15.05 15.48 13.33 11.71 13.31Ta 15.0 15.0 15.0 15.0 15.0
io (A) 0.89 0.82 0.92 0.92 0.80ic (A) 3.42 3.47 3.37 3.14 3.05uc (V) 40.4 40.9 39.7 36.9 35.8
ms 500 500 500 500 500kVA 1491.7 1721.2 2108.9 2613.9 2611.6% 12.4 12.8 11.5 10.5 11.6W 12100 12435 13822 15040 17149W 38993 42388 41904 42252 47296
LSA 49.1 S3 LSA 49.1 L9
LSA 49.1 M5 LSA 49.1 L11
LSA 49.1 M7
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Efficiencies 60 Hz (— P.F.: 0.8) (...... P.F.: 1 ) - 12 wires
Short-circuit ratioDirect-axis synchro. reactance unsaturatedQuadrature-axis synchro. reactance unsaturatedNo-load transient time constantDirect-axis transient reactance saturatedShort-circuit transient time constantDirect-axis subtransient reactance saturatedSubtransient time constantQuadrature-axis subtransient reactance saturatedZero sequence reactance unsaturatedNegative sequence reactance saturatedArmature time constant
Other class H/480 V dataNo-load excitation currentOn-load excitation currentOn-load excitation voltageResponse time (∆U = 20% transient)Start (∆U = 20% cont. or 50% trans.) Transient ∆U (on-load 4/4) - P.F.: 0.8 LAG
No-load lossesHeat dissipation
Reactances (%). Time constants (ms) - Class H / 480 V
7
0%
5%
10%
15%
20%
25%
30%
0 500 1000 1500 2000 2500 3000 3500 4000
0%
5%
10%
15%
20%
25%
30%
35%
40%
0 500 1000 1500 2000 2500 3000 3500 4000
0%
5%
10%
15%
20%
25%
30%
35%
40%
0 1000 2000 3000 4000 5000 6000 7000
L11 L9 M7 M5 S3
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Transient voltage variation 480V - 60 Hz - 12 wires
1) For a starting P.F. differing from 0.6 the starting kVA have to be multiplied by (Sine φ / 0.8)2) If voltage is not 480V (Υ), 277V (∆), 240 (ΥΥ) at 60 Hz then kVA must be multiplied by (400/U)² or (277/U)² or (230/U)²
kVA at P.F. = 0.8
kVA at P.F. = 0.8
kVA at P.F. = 0.6 - Locked rotor
Application
Rejection
Motor starting
Volta
ge d
ipVo
ltage
rise
Volta
ge d
ip
8
LSA 49.1 S3
LSA 49.1 M5
LSA 49.1 M7
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Influence due to connectionCurves shown are for star (Y) connection.For other connections, use the following multiplication factors: - Series delta : current value x 1.732 - Parallel star : current value x 2
3-phase short-circuit curves at no load and rated speed (star connection Y)
Cur
rent
(A)
Cur
rent
(A)
Cur
rent
(A)
Time (ms)
Time (ms)
Time (ms)
9
LSA 49.1 L9
LSA 49.1 L11
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Influence due to short-circuitCurves are based on a three-phaseshort-circuit.For other types of short-circuit, use the following multiplication factors.
3-phase 2-phase L/L 1-phase L/N
Instantaneous (max.) 1 0.87 1.3
Continuous 1 1.5 2.2
Maximum duration (AREP/PMG) 10 sec. 5 sec. 2 sec.
3-phase short-circuit curves at no load and rated speed (star connection Y)
Cur
rent
(A)
Cur
rent
(A)
Time (ms)
Time (ms)
Heat damage
Asymmetrical
Symmetrical
10
Ø 1
50
Ø 1
45
Ø 1
40
Ø 1
00
Xr (S3, M5, M7, L9)
Lr Ø 1
45
Ø 1
35
Ø 1
30
Ø 1
50
Ø 1
45
Ø 1
40
Ø 1
00
Xr (L11)
Lr Ø 1
45
Ø 1
35
Ø 1
30
Xr Lr M J Xr Lr M J LSA 49.1 S3 601 1280 536 8.51 591 1280 539 8.76LSA 49.1 M5 651 1380 618 10.14 641 1380 621 10.39LSA 49.1 M7 651 1380 618 10.14 641 1380 621 10.39LSA 49.1 L9 701 1480 700 11.78 691 1480 703 12.03LSA 49.1 L11 676 1456 747 13.43 672 1456 751 13.7
LB C Xg 14 18LSA 49.1 S3 1315 1272 560 635 1420 XLSA 49.1 M5 1415 1372 650 670 1620 XLSA 49.1 M7 1415 1372 650 670 1620 X XLSA 49.1 L9 1515 1472 650 710 1820 XLSA 49.1 L11* 1515 1448 650 686 1945
S.A.E. P N M W R CF S.A.E. BX U X Y AH1 753 511.175 530.225 7 438 17 14 466.7 438.15 8 14 25.4
1/2 753 584.2 619.125 6 438 17 18 571.5 542.92 6 17 15.7 0* 753 647.7 679.45 7 438 17
00* 885 787.4 850.9 6 505 15
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Single bearing dimensions - 12 wires
L
C 216
LBXg
Ø B
X
Ø N
Ø P
AH792
686 786
658
40
0
1058
27
11°15'
6
0 - 0,1
27
- 0,0
50- 0
,100
17
W
CF
626
Ø 7
42
37
85,3
300 281
100
Ø 230
0 - 1
90
ROption
Ø 2
35
C
213,5
Xg
Ø B
X
Ø N
Ø 8
83
AH
6
0 - 0,1
27
- 0,0
50- 0
,100
15,7
7
CF
Diodeaccess
Air inlet
2 x 2 hole Ø 35
AVRaccess
Option PMG
Air outlet Air outlet
Detail : LSA 49.1 L11Flange SAE : 0 & 00
Y DIA, X eq. sp. hole on U PCD
14 DIA, 16 eq. sp. hole on M PCD
NOTE: dimensions are for information only and may be subject to modifications. Contractuel 2D drawings (.pdf files) can be downloaded from the Leroy-Somer site, 3D drawing files are available upon request.
Dimensions (mm) and weightType
Flange (mm) Flex plate (mm)
Weight (kg)L without PMG
Flange S.A.E 1/2*Flange S.A.E 1*
CouplingFlex plate
Torsional analysis data
Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg), Moment of inertia: J (kgm2): (4J = MD2)Flange S.A.E. 14 Flange S.A.E. 18
Type
Flange S.A.E 00Flange S.A.E 0
* : not available for LSA 49.1 L11
* : see the flange detail for LSA 49.1 L11 SAE 0 & 00.
11
LB M R XgLSA 49.1 S3 1419 1254 679.45 438 620 1445LSA 49.1 M5 1519 1354 679.45 438 655 1645LSA 49.1 M7 1519 1354 679.45 438 655 1645LSA 49.1 L9 1619 1454 679.45 438 695 1845LSA 49.1 L11* 1613 1452 679.45 438 670 1945
Xr Lr M J LSA 49.1 S3 503 1397 502 8.04LSA 49.1 M5 553 1497 584 9.67LSA 49.1 M7 553 1497 584 9.67LSA 49.1 L9 603 1597 666 11.31LSA 49.1 L11 601 1591 724 13
Ø 1
50
Ø 1
45
Ø 1
40
Ø 1
00
Xr (S3, M5, M7, L9)
Lr
Ø 1
45
165
Ø 1
10
Ø 1
00
Ø 1
35
Ø 1
50
Ø 1
45
Ø 1
40
Ø 1
00
Xr (L11)
Lr
Ø 1
45
165
Ø 1
30
Ø 1
00
Ø 1
35
Ref : 5019 en
Low Voltage alternators 4 pole 3-phase LSA 49.1580 to 950 kVA - 50 Hz / 720 to 1165 kVA - 60 Hz
Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg), Moment of inertia: J (kgm2): (4J = MD2)Type
Two bearing dimensions
85,3
Ø 2
35
L
LBXg
Ø 7
53165165
792
686 786
658
40
0
1058
27
11° 15'
6
2020
Ø ROption
626
Ø 7
42
37
216 281
100
0 - 1
106 28
Ø 1
00 m
6
Ø 6
47,7
0 - 0,1
27
Ø 6
47,7
0 - 0,1
27
Ø 1
00 m
6
290290
500
600
16
213,5
Xg
Ø 8
83
7
1 ho
le M
24x5
0
1 ho
le
M24
x50
2 x 2 hole Ø 35
Detail : LSA 49.1 L11Flange SAE : 0
Air outlet
Air outlet
Diode access
PMG option
Air intlet
AVR access
M12 DIA,16 eq.sp. hole on M PCD
NOTE: dimensions are for information only and may be subject to modifications. Contractuel 2D drawings (.pdf files) can be downloaded from the Leroy-Somer site, 3D drawing files are available upon request.
Torsional analysis data
Dimensions (mm) and weightType Weight (kg)L without PMG
* : see the flange detail for LSA 49.1 L11 SAE 0.
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The descriptions cannot in any way be considered contractual.