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MarelliGenerators®
ASYNCHRONOUS GENERATORS
Nominal output [kWA]
0 500 1000 1500 2000
428
500
600
750
1000
1500
Speed [min-1]
Power range @ 50 Hz - Low voltage
2500 3000
SIN.CT.027.3 GB
SYNCHRONOUS GENERATORS
Nominal output [kVA]
0 1000 2000 3000
333
375
428
500
600
750
1000
1500
Speed [min-1]
Power range @ 50 Hz - Low voltage
Nominal output [kVA]
0 1000 2000 3000 4000
333
375
428
500
600
750
1000
1500
Speed [min-1]
Power range @ 50 Hz - Medium voltage
HYDROPOWER PLANT GENERATORS
MarelliGenerators offers a wide range of solutions for hydropower applications. Our synchronous and asynchronous generators represent the best choice dueto their certified quality, their versatile design allowing the generator to be customised to your needs, and to the experience acquired by more than 100 yearsof production. The undisputed quality proved by all MarelliGenerators products is shown by their high reliability, high efficiency and by their unchangedperformance during many years of service.
3500
MarelliGenerators represents the best know-how within the hydropower field by ensuring our product has outstanding technical features.
RELIABILITY• Long life endurance of electrical components and bearings.• Class H insulation system for synchronous and class F for asynchronous generators. Impregnation with polyester resin using the Vacuum Pressure Impregnation
(VPI) system. A further protection from any corrosion phenomenon is guaranteed by a tropicalization treatment.• High safety factors to warrant the functionality of generators even in the worst working conditions.
HIGH PERFORMANCE• Active parts are designed using the latest technologies and the best materials available in order to ensure high efficiency values.
SAFETY• Space heaters are installed to avoid the risk of condensate inside generators.• Bearings and stator windings temperatures are totally supervised by using a wide range of sensors.• Synchronous generators can be equipped with electronic control devices for particular working conditions and to ensure real time monitoring.
TOTALLY CUSTOMISABLEAll generators are totally customisable.- Nominal voltage from 380 to 6.600 V.- From 4 to 18 poles; polarities not mentioned in the following pages might be available on request.- Horizontal or vertical shaft.- Degree of protection up to IP 55 using a heat exchanger.- Runner directly connected to the generator shaft to avoid all the supports of the runner shaft.- Bushings are used in strong hydraulic load applications to eliminate all the maintenance operations required by the rolling bearings.- Use of flywheels to rise the proper inertial momentum of the generator.- Wide set of control and adjustment devices (also with digital logic unit, if required) for synchronous generators.
SIN.CT.027.3 GB MarelliGenerators®
STANDARDSAll generators are designed according to the IEC 60034-1, CEI EN 60034-1, BS 4999-5000, VDE 0530, NF 51-100, OVE M-10 and NEMA MG 1.22 standardsand can be incorporated in the “CE” marked machinery.
AVAILABLE VOLTAGEGenerators can be supplied with the following voltage range:• Low voltage (380 - 480 V)• Medium voltage (3.000 - 6.600 V)Voltages not listed can be supplied on request.
EXCITATION SYSTEMGenerators are self-excited through a brushless type excitation system.The voltage is maintained within ± 0,5% of the nominal value in steady state conditions.Generators are equipped with an auxiliary winding, or with the Varicomp overexcitement device, in order to supply a three-phase short circuit current 2,5 timesgreater than the nominal current of the generator.
OVERLOADSThe following overloads are permitted: 10% for one hour, 15% for ten minutes, 30% for four minutes and 50% for two minutes. All overloads must occuroccasionally and must be followed by a minimum of one hour of running at nominal load or less.
OPERATING CONDITIONS
Parallel operationAll generators are provided with an oversized damper cage and are suitable for parallel operation with other generators, when equipped with a paralleling unit.An automatic power factor regulator is available on request.
Environmental conditionsThe rated outputs refer to an installation height up to 1.000 m asl and to a maximum ambient temperature of 40°C. For higher altitudes and different temperaturevalues the rated outputs must be re-calculated using the factors listed in the following table.
SIN.CT.027.3 GB MarelliGenerators®
For negative power factors please contact MarelliMotori.
DEGREE OF PROTECTIONStandard generators are air-cooled with an IP 23 degree of protection (IC 01 cooling type). Inlet and outlet air filters (IC 01 cooling type) are available on requestto upgrade the index to IP 44.To obtain a higher index of protection (IP 44, IP 54) generators can be supplied with an air-to-water heat exchanger installed on the body of the machinery (IC81W cooling type).
SHAFT ORIENTATIONGenerators are supplied with a horizontal (IM B3) or vertical (IM V10) shaft configuration. The vertical generators are equipped with a thrust bearing on the no-drive-end (NDE) side.
BEARINGSStandard generators are supplied with grease-lubricated rolling bearings. All bearings are oversized to guarantee a minimum lifetime of 100.000 h (L10h = 100.000h), value obtained concerning to an unloaded standard shaft. The NDE bearing is conveniently insulated (*) to avoid shaft currents.
RUNNER DIRECTLY CONNECTED TO THE SHAFTGenerators can be equipped with a special shaft extension to directly connect the hydraulic turbine runner. In this configuration all bearings and the shaft aredesigned to withstand to axial and radial loads caused by the hydraulic thrust and by the weight of the runner. Depending on the loads applied and on the runawayspeed of the runner, generators can be supplied with oil-lubricated rolling bearings or sleeve bearings.
ROTOR BALANCINGRotors are dynamically balanced with a half key applied to the shaft extension in accordance with IEC 60034-14 to vibration grade normal (N) in standardexecution. Generators can be supplied with reduced (R) or special (S) vibration levels on request.
Power factorThe nominal power factor is 0,8 lagging. For different power factor values the following derating factors must be applied:
FRAME SIZES 400 - 710 SYNCHRONOUS GENERATORS: TECHNICAL FEATURES
Altitude [m asl]
10001500200025003000
Ambient temperature [°C]
1,041,030,990,950,91
1,000,970,930,900,86
0,980,950,910,880,84
0,950,920,880,860,82
30 40 45 50
Power factor
Kϕ
1,0
1,0
+0,8
1,0
+0,7
0,93
+0,6
0,88
+0,5
0,84
+0,3
0,82
0
0,80
INSULATIONClass H standard insulation system allows a maximum winding temperature rise of 125°C referring to an ambient temperature of 40°C. Windings are impregnatedwith polyester resin using the latest technology (VPI system). An enamel insulator (tropicalization treatment) coats all inner parts of the generator in order toprotect it from corrosion.
TEMPERATURE SENSORSGenerators are equipped with three PT100 temperature sensors (one for each phase) installed into the slots to supervise the stator winding temperature andwith a PT100 for each bearing to monitor its temperature (**). To control inlet and outlet air temperature of the air-to-water heat exchanger, PT100’s are installedboth on the NDE side and on the drive-end (DE) side on request. If the air-to-water heat exchanger is installed, PT100’s are used to control the inlet and outletwater temperature.
FLYWHEELWhen the requested inertial momentum is higher than the actual inertial momentum of the generator, it is possible to extend the shaft on the NDE side in orderto connect a flywheel.
TERMINAL BOXESGenerators are supplied with terminal boxes of appropriate dimensions in order to allow easy connection to the main leads. All generators allow the connectionto the main leads and to the star point.Two different terminal boxes, one for the star point and one for the leads for the auxiliary devices, are available on request.Generators can be equipped with current transformers both on the main leads and the star point leads.The standard degree of protection for terminal boxes is IP 44; the IP 55 can be installed on request.
EQUIPMENT
Standard• Class H insulation• VPI impregnation type• Windings protected from corrosion (tropicalization)• Six leads stator winding into the terminal box• Parallel device between generators• N° 3 PT100 into the stator winding• N° 1 PT100 for each bearing (**)
• Anti-condensation thermal heaters• IP 23 degree of protection• IP 44 degree of protection for the terminal box• Bearings: more than 100.000 h lifetime• NDE side bearing insulated to avoid shaft currents (*)
Electric options• Automatic power factor regulator• Rheostat for voltage remote control• Manual excitation device• Excitement control• Diode failure monitor• Digital AVR• In-terminal-box measurement transformers• Encoder• Tachometric dynamo
Mechanical options• Inlet and outlet air filters (IP 44)• Air-to-fresh water heat exchanger top mounted on generator• IP 55 terminal box• Star-point in separate terminal box• Auxiliary leads into a separate terminal box• Runner directly connected to the shaft of the generator• Sleeve bearings• Shaft extension• Flywheel• Arrangement for speed sensors• Brush connection with rotor for earth fault detection• Arrangement for vibration sensors into bearing box
(*) for frame sizes 400 and 500 with 4 and 6 poles on request(**) for 400 frame size on request
SIN.CT.027.3 GB MarelliGenerators®
SIN.CT.027.3 GB MarelliGenerators®
2.7002.700
500 SC4500 MB4500 LA4
1.4601.6751.945
1.2751.4601.700
1.7502.0102.335
1.5301.7552.040
46,752,561,5
666
3.7004.4005.100
2.7002.7002.700
SYNCHRONOUS GENERATORS / LOW VOLTAGE
kVA rating @ Temperature Rise / Ambient Temp. (°C)
Type Leads Continuous duty
105 / 40ΔT cl. F
105 / 40ΔT cl. F
Moment of inertia
80 / 40ΔT cl. B
80 / 40ΔT cl. B
(**)
[kgm2]
Weight
(**)
[kg]
Max overspeed
[min-1]
630 SA4630 MA4*630 LA4*
2.3502.5502.780
2.0502.2252.425
2.7052.9353.200
2.3602.5602.795
117151163
666
6.3507.5008.000
2.4002.4002.400
560 MA4560 LA4
2.1452.555
1.8702.230
2.4652.940
2.1502.565
66
8395
5.0005.700
400V 50Hz - 1500 min-1 480V 60Hz - 1800 min-14 pole
450 MB4450 LA4450 LB4
725815895
1.010
MJT 400 MA4400 MB4400 LA4400 LB4
635710780880
870980
1.0751.210
760855940
1.055
16,317,019,322,5
6666
2.2502.3002.5502.800
3.0003.0003.0003.000
1.1001.2101.340
9601.0551.170
1.3201.4501.610
1.1501.2651.405
29,034,038,0
666
3.2003.6004.000
2.7002.7002.700
710 SC6*710 MA6*
2.5602.970
2.2352.590
2.8703.330
2.5052.905
on requeston request
66
560 MA6560 LA6
1.5951.900
1.3901.660
1.8352.185
1.6001.905
66
111137
5.0005.700
630 SC6630 MA6630 MB6630 LA6
1.6902.0202.1502.390
1.4751.7651.8752.085
1.9452.3252.4752.750
1.7002.0302.1602.400
145167183200
6666
6.5008.0008.5009.500
2.2002.2002.2002.200
500 SA6500 SC6500 MB6500 LA6
8651.1001.3201.540
755960
1.1501.345
1.0401.3201.5851.850
9101.1501.3851.615
50,564,770,088,9
6666
3.2003.8004.1005.100
2.2002.2002.2002.200
330380510575660815
MJT 400 SA6400 SB6400 MA6400 MB6400 LA6400 LB6
290330445500575710
395455610690790980
345395530600690855
11,814,117,919,420,924,2
666666
1.4501.6002.2002.2602.5302.750
2.2002.2002.2002.2002.2002.200
400V 50Hz - 1000 min-1 480V 60Hz - 1200 min-16 pole
*: 690 V recommended**: Showed data could change depending on mounting.The rated outputs refer to the following conditions: balanced and non deforming load, altitude below 1.000 m asl, power factor from 0,8 to 1.For values of overspeed greater than as listed, please contact MarelliMotori.
710 SC8710 MA8*710 LA8*
2.2702.6402.850
1.9802.3052.490
2.5402.9603.190
2.2152.5852.785
on requeston requeston request
666
560 MA8560 LA8
1.2451.485
1.0851.295
1.4301.710
1.2501.495
66
122146
5.0005.700
630 SC8630 MA8630 LA8
1.2801.5302.020
1.1151.3351.765
1.4701.7602.325
1.2851.5352.030
177204245
666
6.5008.0009.500
1.9001.9001.900
500 SA8500 SC8500 MB8500 LA8
675840
1.0451.235
590735910
1.080
8101.0101.2551.480
705880
1.0951.290
55,174,277,795,0
6666
3.2003.8004.1005.100
2.0002.0002.0002.000
200255355420500610
MJT 400 SA8400 SB8400 MA8400 MB8400 LA8400 LB8
175225310365435530
240305425505600730
210265370440525635
13,516,220,622,424,125,4
666666
1.4501.6002.2002.2602.5302.750
2.0002.0002.0002.0002.0002.000
400V 50Hz - 750 min-1 480V 60Hz - 900 min-18 pole
2.1002.100
2.2002.200
1.8001.8001.800
2.0002.000
SIN.CT.027.3 GB MarelliGenerators®
*: 690 V recommended**: Showed data could change depending on mounting.The rated outputs refer to the following conditions: balanced and non deforming load, altitude below 1.000 m asl, power factor from 0,8 to 1.For values of overspeed greater than as listed, please contact MarelliMotori.
kVA rating @ Temperature Rise / Ambient Temp. (°C)
Type Leads Continuous duty
105 / 40ΔT cl. F
105 / 40ΔT cl. F
Moment of inertia
80 / 40ΔT cl. B
80 / 40ΔT cl. B
(**)
[kgm2]
Weight
(**)
[kg]
Max overspeed
[min-1]
SYNCHRONOUS GENERATORS / LOW VOLTAGE
710 SA12710 MA12710 LA12
1.3801.7802.200
1.2051.5551.920
1.5802.0402.530
1.3801.7802.210
666
1.1001.1001.100
400V 50Hz - 500 min-1 480V 60Hz - 600 min-112 poleMJT 630 SC12
630 MA12630 MB12630 LA12
720870
1.1001.280
630760960
1.115
8201.0001.2701.490
715875
1.1101.300
206238260285
6666
6.5008.0008.5009.500
1.1001.1001.1001.100
on requeston requeston request
710 SC10710 MA10710 MB10*
2.0102.4202.580
1.7552.1102.250
2.2402.7202.890
1.9552.3752.525
666
400V 50Hz - 600 min-1 480V 60Hz - 720 min-110 pole
630 SC10630 MA10630 MB10630 LA10
535670780865
MJT 500 SA10500 SC10500 MB10500 LA10
465585680755
640805935
1.040
560705815910
63,881,685,7106,7
6666
3.2003.8004.1005.100
1.5001.5001.5001.500
1.0201.2101.3001.420
8901.0551.1351.240
1.1751.3901.4951.635
1.0251.2151.3051.425
188217237260
6666
6.5008.0008.5009.500
1.3201.3201.3201.320
on requeston requeston request
400V 50Hz - 333 min-1 480V 60Hz - 400 min-118 poleMJT 710 SA18
710 SC18710 MA18710 LA18710 LB18
590810970
1.1901.350
515705845
1.0401.180
680940
1.1101.3701.550
595820970
1.1951.355
66666
740740740740740
on requeston requeston requeston requeston request
400V 50Hz - 375 min-1 480V 60Hz - 450 min-116 poleMJT 710 SA16
710 SC16710 MA16710 LA16710 LB16
660900
1.0701.3301.500
575785935
1.1601.310
7501.0401.2401.5201.720
655910
1.0801.3251.500
66666
825825825825825
on requeston requeston requeston requeston request
400V 50Hz - 428 min-1 480V 60Hz - 514 min-114 poleMJT 710 SA14
710 SC14710 MA14710 LA14710 LB14
7501.0201.2201.5001.700
655890
1.0651.3101.485
8501.1801.4101.7301.960
7401.0301.2301.5101.710
66666
950950950950950
on requeston requeston requeston requeston request
1.3201.3201.320
SIN.CT.027.3 GB MarelliGenerators®
SYNCHRONOUS GENERATORS / MEDIUM VOLTAGE
**: Showed data could change depending on mounting.The rated outputs refer to the following conditions: balanced and non deforming load, altitude below 1.000 m asl, power factor from 0,8 to 1.For values of overspeed greater than as listed, please contact MarelliMotori.
kVA rating @ Temperature Rise / Ambient Temp. (°C)
Type Leads Continuous duty
3000V 6000V
105 / 40ΔT cl. F
80 / 40ΔT cl. B
105 / 40ΔT cl. F
80 / 40ΔT cl. B
Momentof inertia
(**)
[kgm2]
Weight
(**)
[kg]
Maxoverspeed
[min-1]105 / 40ΔT cl. F
80 / 40ΔT cl. B
105 / 40ΔT cl. F
80 / 40ΔT cl. B
630 SA4630 MA4630 MB4630 LA4630 LB4
66666
560 MA4560 LA4
66
50Hz - 1500 min-1 60Hz - 1800 min-14 pole
450 MB4450 LA4450 LB4
MJHT 400 SA4400 MA4400 LA4400 LB4
6666
666
500 MA4500 MB4500 LA4
1.7702.0402.3102.6403.090
1.9802.250
375540750920
9601.0601.185
1.2901.5401.665
1.5501.7802.0202.3002.700
1.7301.965
335480665810
840925
1.035
1.1451.3651.475
1.6101.8502.1002.4002.810
1.8002.045
-500665835
895985
1.105
1.1051.2901.530
1.4101.6201.8302.0902.450
1.5701.785
-440590740
780860965
9751.1451.350
80120155163177
8395
10,214,619,322,5
29,034,038,0
46,752,561,5
666
6.0007.0007.7008.2008.700
5.1005.800
1.8502.3002.6002.850
3.2503.6504.050
3.9004.5005.200
2.4002.4002.4002.4002.400
3.0003.0003.0003.000
2.7002.7002.700
2.7002.7002.700
2.7002.700
2.0352.3452.6553.0353.555
2.2752.590
450650900
1.105
1.1501.2701.420
1.5501.8502.000
1.7752.0452.3152.6503.105
1.9852.260
395565785965
1.0051.1101.240
1.3551.6151.745
1.8502.1302.4152.7603.230
2.0702.350
-600800
1.000
1.0751.1801.325
1.3251.5501.835
1.6151.8602.1102.4102.820
1.8052.050
-525700875
9401.0301.155
1.1551.3551.600
50Hz - 1500 min-1 60Hz - 1800 min-1
710 SA8710 MA8710 MB8710 LB8
on requeston requeston requeston request
6666
560 MA8560 LA8
66
630 SA8630 MA8630 MB8630 LA8630 LB8
66666
500 SA8500 MA8500 MB8500 LA8
6666
MJHT 400 MA8400 LA8400 LB8
122,0146,0
114177204231245
55,177,782,295,0
20,624,125,4
666
5.1005.800
6.0006.7008.1009.0009.600
3.3004.2004.5005.200
2.3002.6302.850
50Hz - 750 min-1 60Hz - 900 min-18 pole
1.9802.6102.9603.340
1.0901.2201.3501.5001.650
245425485
620745880
1.010
1.3301.475
1.7302.2802.5802.920
9501.0601.1801.3101.440
220375430
545665780895
1.1601.285
2.2753.0003.4053.840
1.2551.4051.5551.7251.900
295510580
745895
1.0551.210
1.5301.695
1.9852.6202.9703.350
1.0951.2251.3551.5051.660
255445505
650780920
1.055
1.3351.480
1.8002.3702.6903.040
9901.1101.2301.3601.500
-365420
530650765880
1.2351.370
1.5802.0702.3502.650
860970
1.0701.2001.310
-325370
475575675780
1.0801.195
2.0702.7253.0953.495
1.1401.2751.4151.5651.725
-440505
635780920
1.055
1.4201.575
1.8052.3802.7003.050
9951.1151.2351.3651.505
-385440
555680805920
1.2401.375
1.9001.9001.9001.9001.900
2.0002.0002.0002.000
2.0002.0002.000
2.0002.000
1.8001.8001.8001.800
50Hz - 750 min-1 60Hz - 900 min-1
710 SA6710 MA6710 LA6710 LB6
on requeston requeston requeston request
6666
560 MA6560 LA6
66
630 SA6630 MA6630 MB6630 LA6630 LB6
66666
500 SA6500 MA6500 MB6500 LA6
6666
MJHT 400 MA6400 LA6400 LB6
111137
94145167190200
50,570,073,688,9
17,920,924,2
666
5.1005.800
6.0006.7008.1009.0009.600
3.3004.2004.5005.200
2.3002.6502.850
50Hz - 1000 min-1 60Hz - 1200 min-16 pole
2.1802.9303.2203.710
1.3201.6101.9002.0002.100
385560600
685840
1.0001.125
1.7101.890
1.9102.5602.8103.240
1.1501.4001.6601.7501.840
340495530
605745885995
1.4901.650
2.5053.3703.7054.265
1.5201.8502.1852.3002.415
460670720
8201.0101.2001.350
1.9652.175
2.1852.9403.2353.725
1.3251.6151.9052.0102.110
400585630
715880
1.0451.180
1.7151.900
1.9902.6602.9203.370
1.2001.4601.7201.8201.910
-490525
590735875
1.000
1.5751.735
1.7302.3202.5502.950
1.0501.2801.5101.5901.670
-435465
520650775885
1.3751.515
2.2903.0603.3603.875
1.3801.6801.9802.0952.195
-590630
710880
1.0501.200
1.8101.995
2.0002.6702.9353.380
1.2051.4651.7301.8301.915
-515550
620770915
1.045
1.5801.740
2.2002.2002.2002.2002.200
2.2002.2002.2002.200
2.2002.2002.200
2.1002.1002.1002.100
2.2002.200
50Hz - 1000 min-1 60Hz - 1200 min-1
SIN.CT.027.3 GB MarelliGenerators®
SYNCHRONOUS GENERATORS / MEDIUM VOLTAGE
**: Showed data could change depending on mounting.The rated outputs refer to the following conditions: balanced and non deforming load, altitude below 1.000 m asl, power factor from 0,8 to 1.For values of overspeed greater than as listed, please contact MarelliMotori.
kVA rating @ Temperature Rise / Ambient Temp. (°C)
Type Leads Continuous duty
3000V 6000V
105 / 40ΔT cl. F
80 / 40ΔT cl. B
105 / 40ΔT cl. F
80 / 40ΔT cl. B
Momentof inertia
(**)
[kgm2]
Weight
(**)
[kg]
Maxoverspeed
[min-1]105 / 40ΔT cl. F
80 / 40ΔT cl. B
105 / 40ΔT cl. F
80 / 40ΔT cl. B
50Hz - 333 min-1 60Hz - 400 min-118 poleMJHT 710 SA18
710 MA18710 MB18710 LA18710 LB18
66666
on requeston requeston requeston requeston request
650860
1.0101.2901.430
565750880
1.1251.250
655855
1.0151.3001.430
600790930
1.1901.310
50Hz - 333 min-1 60Hz - 400 min-1
750980
1.1601.4901.640
525690810
1.0401.145
690900
1.0701.3701.500
600785935
1.1951.310
740740740740740
50Hz - 375 min-1 60Hz - 450 min-116 poleMJHT 710 SA16
710 SC16710 MA16710 LA16710 LB16
66666
on requeston requeston requeston requeston request
720960
1.1301.4401.570
630840985
1.2551.370
725960
1.1251.4401.570
670880
1.0301.3201.440
50Hz - 375 min-1 60Hz - 450 min-1
8301.1001.2901.6501.800
585770900
1.1501.255
7701.0101.1801.5201.650
670880
1.0301.3251.440
825825825825825
50Hz - 428 min-1 60Hz - 514 min-114 poleMJHT 710 SA14
710 SC14710 MA14710 LA14710 LB14
66666
on requeston requeston requeston requeston request
8101.0601.2501.6101.750
705925
1.0901.4051.530
8201.0651.2551.6151.755
740970
1.1501.4701.630
50Hz - 428 min-1 60Hz - 514 min-1
9401.2201.4401.8502.010
645845
1.0051.2851.425
8501.1201.1801.5201.650
740980
1.0301.3251.440
950950950950950
710 SA12710 MA12710 LA12
666
50Hz - 500 min-1 60Hz - 600 min-112 poleMJHT 630 SA12
630 MA12630 MB12630 LA12630 LB12
66666
on requeston requeston request
1.2501.7902.230
650740820920
1.100
1.0901.5601.940
570640720800960
1.2551.8002.240
655740825925
1.105
1.1301.6202.020
590670750830
1.000
133206238269285
50Hz - 500 min-1 60Hz - 600 min-1
1.4402.0602.565
750850945
1.0601.265
9901.4201.770
520590660730870
6.0006.7008.1009.0009.600
1.3001.8652.325
680770865955
1.150
1.1351.6302.030
595670755835
1.005
1.1001.1001.100
1.1001.1001.1001.1001.100
60Hz - 720 min-1
710 SA10710 MA10710 LA10710 LB10
6666
50Hz - 600 min-110 pole
630 SA10630 MA10630 MB10630 LA10630 LB10
MJHT 500 SA10500 MA10500 MB10500 LA10
6666
1.6002.2002.5003.090
465565665740
9201.0301.1501.2101.400
1.4001.9202.1802.700
410500590660
800900
1.0001.0601.220
1.6052.2102.5103.105
490595700775
9251.0351.1551.2151.405
1.4602.0002.2702.810
400490580645
830940
1.0401.1001.270
66666
63,885,789,7106,7
120188217245260
on requeston requeston requeston request
60Hz - 720 min-150Hz - 600 min-1
1.8402.5302.8753.555
560680800890
1.0601.1851.3251.3901.610
1.2701.7501.9902.450
360435515570
730820910960
1.110
3.3004.2004.7005.200
6.0006.7008.1009.0009.600
1.6802.3002.6103.230
480590695775
9551.0801.1951.2651.460
1.4652.0102.2802.820
420515605675
835945
1.0451.1051.275
1.5001.5001.5001.500
1.3201.3201.3201.3201.320
1.3201.3201.3201.320
Mounting: IM B3 - Air cooled (IC01)
HHDABLDE
Dimension 400S
4001100800
1360110170
LM40011008001560110170
4001100800
1760110170
500S
500137010001920130210
LM500137010002170130210
500137010002270130210
560M
560143011002305150230
L560143011002405150230
630S
630158012802150160210
LM630
158012802350160210
630158012802450160210
710S
710188015002450180300
LM710
188015002650180300
710188015002650180300
450LM
45011909001807125210
45011909001987125210
SIN.CT.027.3 GB MarelliGenerators®
SYNCHRONOUS GENERATORS / OVERALL DIMENSIONS [mm]
Mounting: IM V10 - Air cooled (IC01)
PADLDE
400S
10007001540110170
LM10007001740110170
10007001940110170
500S
12507802250130210
LM12507802500130210
12507802600130210
560M
1400700
2340150230
L1400700
2440150230
630S
160011252430160210
LM160011252630160210
160011252730160210
710S
180011502470180300
LM180011502670180300
180011502770180300
Dimension 450M
11507402030125210
L11507402210125210
Mounting: IM V10 - Air-to-water heat exchanger (IC81W)
PAML
AOADDE
400S
100016501540640555110170
LM100016501740640555110170
100016501940640555110170
500S
125018002250685605130210
LM125018002500685605130210
125018002600685605130210
560M
140019502340685605150230
L140019502440685605150230
630S
160021002470825745160210
LM160021002670825745160210
160021002770825745160210
710S
180024352470915835180300
LM180024352670915835180300
180024352770915835180300
Dimension
Dimensions for 450 frame size on demand
HHDABL
AOADDE
400S
4001340800
1345640750110170
LM40013408001545640750110170
40013408001745640750110170
500S
500161010001830685800130210
LM500
161010002080685800130210
500161010002180685800130210
560M
560175011002180685800150230
L560175011002280685800150230
630S
630188012802150825850160210
LM630188012802350825850160210
630188012802450825850160210
710S
710206015002440915900180300
LM710206015002640915900180300
710206015002740915900180300
Dimension
Dimensions for 450 frame size on demand
Mounting: IM B3 - Air-to-water heat exchanger (IC81W)
SIN.CT.027.3 GB MarelliGenerators®
SYNCHRONOUS GENERATORS / OVERALL DIMENSIONS [mm]
STANDARDSAll generators are designed according to the IEC 60034-1 and CEI EN 60034-1 standards and can be incorporated in the “CE” marked machinery.
AVAILABLE VOLTAGEGenerators can be supplied with nominal voltages from 380 V up to 690 V.Voltages not listed can be supplied on request.
ENVIRONMENTAL CONDITIONSRated outputs refer to an installation height up to 1.000 m asl and to a maximum ambient temperature of 40°C. For higher altitudes and different temperaturevalues the rated outputs must be recalculated using the factors listed in the following table.
SIN.CT.027.3 GB MarelliGenerators®
DEGREE OF PROTECTIONStandard generators are air-cooled with an IP 23 degree of protection (IC 01 cooling type). To upgrade the index to IP 44 inlet and outlet air protections areavailable on request (IC 01 cooling type).To obtain a higher degree of protection (IP 44 or IP 54), generators can be supplied with an air-to-fresh water heat exchanger installed on the body of the machinery(IC 81W cooling type).
SHAFT ORIENTATIONGenerators are supplied with a horizontal (IM B3) or vertical (IM V10) shaft configuration.
BEARINGSStandard generators are supplied with grease-lubricated rolling bearings. All bearings are oversized to guarantee a minimum lifetime of 100.000 h (L10h = 100.000h), value obtained concerning to an unloaded standard shaft.
RUNNER DIRECTLY CONNECTED TO THE SHAFTGenerators can be equipped with a special shaft extension to directly connect the hydraulic turbine runner. In this configuration all bearings and the shaft aredesigned to withstand to axial and radial loads caused by the hydraulic thrust and by the weight of the runner. Depending on the loads applied and on the runawayspeed of the runner, generators can be supplied with oil-lubricated rolling bearings or sleeve bearings.
ROTOR BALANCINGRotors are dynamically balanced with a half key applied to the shaft extension in accordance with IEC 60034-14 to vibration grade normal (N) in standardexecution. Generators can be supplied with reduced (R) or special (S) vibration levels on request.
INSULATIONClass F standard insulation system allows a maximum winding temperature rise of 105°C referring to an ambient temperature of 40°C. The windings areimpregnated with polyester resin using the latest technology (VPI system). An enamel insulator (tropicalization treatment) coats all inner parts of generators inorder to protect it from corrosion.
TEMPERATURE SENSORSGenerators are equipped with three PTC thermistors (one for each phase) to supervise the stator winding temperature. Generators can be supplied with a PT100for each bearing in order to control their temperature. To control inlet and outlet air temperature, PT100’s are installed both on the NDE side and on the DE sideon request. If the air-to-water heat exchanger is installed, it’s possible to control the inlet and outlet water temperature by PT100’s and to install a flow meterto check presence or absence of water.
FLYWHEELWhen the requested inertial momentum is higher than the actual inertial momentum of the generator, it is possible to extend the shaft on the NDE side in orderto connect a flywheel (not supplied).
TERMINAL BOXESGenerators are supplied with terminal boxes of appropriate dimensions in order to allow easy connection to the main leads. All the generators have six leads inthe terminal box.An additional terminal box for the leads of the auxiliary devices is available on request.Generators can be equipped with current transformers both on the main leads and the star point leads.The standard index of protection for the terminal boxes is IP 55; the IP 56 can be installed on request.
FRAME SIZES 250 - 630 ASYNCHRONOUS GENERATORS: TECHNICAL FEATURES
Altitude [m asl]
10001500200025003000
Ambient temperature [°C]
1,041,030,990,950,91
1,000,970,930,900,86
0,980,950,910,880,84
0,950,920,880,860,82
30 40 45 50
EQUIPMENT
Standard• Class F insulation• VPI impregnation type• Windings protected against corrosion (tropicalization)• Six-leads stator winding into the terminal box• N° 3 PTC into the stator winding• IP 23 index of protection• IP 55 index of protection for the terminal box• Bearings: more than 100.000 h life time
Electric options• Class H insulation type• N° 3 PT100 into the stator winding• N° 1 PT100 on each bearing• Anti-condensation heaters• In-terminal-box measurement transformers• Encoder• Tachometric dynamo
Mechanical options• Inlet and outlet air filters (IP 44)• Air-to-fresh water heat exchanger top mounted on generator (IP 44 or IP 55)• IP 56 terminal box• Auxiliary leads into a separate terminal box• Runner directly connected to the shaft of the generator• Sleeve bearings• Shaft extension• Insulated NDE side bearing• Arrangement for speed sensors• Arrangement for vibration sensor on each bearing
SIN.CT.027.3 GB MarelliGenerators®
1.0101.0101.0101.009
C4G 400 LA6400 LB6400 LC6400 LD6
96,096,296,396,4
96,296,496,496,5
0,860,860,870,87
0,820,820,810,82
19,021,623,625,5
2.5502.5502.5502.550
5.3135.9896.5727.062
96,096,196,196,2
0,860,860,860,86
2.2782.4212.5642.732
540610670720
400400400400
9071.0251.1131.196
1.0071.0071.0071.006
355 LA6355 LB6355 LC6355 LD6
95,295,595,795,7
95,195,495,695,5
0,850,850,860,85
0,740,740,750,73
8,210,612,313,7
2.5502.5502.5502.550
2.2412.6813.1213.719
94,394,694,994,8
0,820,820,830,82
1.1601.3401.4601.800
225270315375
400400400400
383459529638
SIN.CT.027.3 GB MarelliGenerators®
ASYNCHRONOUS GENERATORS / Insulations class F - IP 23 - IC 01
1.5051.5051.505
500 LA4500 LB4500 LC4
97,197,497,3
96,897,397,0
0,870,890,87
0,800,860,81
53,059,968,8
2.5002.5002.500
10.44511.71513.030
96,096,796,3
0,850,890,86
5.3535.7286.003
1.5071.5071.506
C4G 400 LA4400 LB4400 LC4
96,997,097,1
96,997,097,0
0,890,890,90
0,700,660,83
12,213,715,7
2.7502.7502.750
4.5735.2215.871
96,496,596,5
0,850,840,88
2.3332.4912.691
1.5101.5101.5081.508
355 LA4355 LB4355 LC4355 LD4
95,495,996,196,2
95,395,896,096,0
0,890,900,890,89
0,820,850,860,81
6,68,0
10,312,0
2.7502.7502.7502.750
2.0892.6372.9653.620
94,594,895,395,4
0,870,890,870,87
1.1501.2601.4501.670
1.5201.5201.5171.5171.517
315 S4315 MA4315 MB4315 MD4315 ME4
93,994,294,595,095,1
94,394,594,995,395,2
0,890,880,880,900,90
0,840,810,830,830,83
1,72,12,53,13,3
2.7502.7502.7502.7502.750
8831.0671.3321.6562.085
94,194,194,695,095,0
0,880,870,870,880,88
570705750850930
1.5201.520
280 S4280 M4
93,093,0
93,093,0
0,880,88
0,790,79
0,91,1
3.0003.000
608743
92,092,0
0,860,86
405445
4 poles1.5351.520
C3G 250 S4250 M4
92,092,5
92,092,3
0,860,86
0,790,75
0,50,8
3.0003.000
372509
90,591,0
0,840,83
275350
1500 min-1 - 50Hz
Type
Efficiency [%]
4/4
Momentof Inertia
160018002000
700800900
315400450550
132160200250315
90110
5575
Power
kW min-1
Speed Torque
N m 3/4 2/4
Power factor
4/4 3/4 2/4
Weight Maxoverspeed
min-1kg m2
kgPn rpm
V
Voltage
Vn
400400
A
Current
In Tn J IM B3 rpm
400400
400400400400400
400400400400
400400400
1.5071.5071.506
450 LA4450 LB4450 LC4
97,097,197,1
96,897,097,0
0,890,900,89
0,830,850,81
28,933,337,6
2.5002.5002.500
7.1798.1499.133
96,296,496,1
0,880,890,87
3.6663.8894.271
110012501400
690690690
690690690
92126
148181
214263328401506
511642731893
1.1371.2991.445
1.0351.1641.318
1.5411.6941.926
1.0051.0041.004
630 LA6630 LB6630 LC6
97,297,397,4
97,197,297,3
0,890,890,90
0,860,860,87
154,3178,7206,9
1.8001.8001.800
19.53222.46126.340
96,696,696,8
0,880,880,89
7.4768.2718.981
1.0061.0061.006
450 LA6450 LB6450 LC6
96,696,796,8
96,596,696,7
0,860,860,86
0,800,800,80
38,143,548,8
2.0002.0002.000
7.8548.8269.797
96,096,196,2
0,850,850,85
3.5693.8434.128
6 poles1.0101.0131.013
C3G 315 MA6315 MB6315 MC6
93,393,593,7
93,593,894,0
0,850,850,85
0,810,810,80
2,94,15,1
2.5502.5502.550
1.1151.3311.609
93,093,293,4
0,850,850,84
750850920
1000 min-1 - 50Hz
200023002700
800900
1000
110132160
400400400
400400400
1.0051.0051.005
500 LA6500 LB6500 LC6
97,097,197,1
96,897,097,0
0,860,870,87
0,800,800,80
66,277,188,9
1.8001.8001.800
11.74313.68615.642
96,396,496,5
0,850,860,86
5.0395.5256.015
120014001600
690690690
690690690
187224272
1.3441.5121.680
1.1691.3481.541
1.8832.1652.513
SIN.CT.027.3 GB MarelliGenerators®
754754753
630 LA8630 LB8630 LC8
96,997,097,1
96,896,897,0
0,870,870,87
0,820,800,81
201,8233,8270,7
1.3001.3001.300
17.62719.56623.486
96,296,196,4
0,860,860,86
7.3628.0788.911
135015001800
756756756
C4G 450 LA8450 LB8450 LC8
96,096,196,2
95,996,096,1
0,850,850,85
0,770,770,77
44,150,356,5
1.5001.5001.500
7.6248.5359.576
95,295,395,5
0,830,830,84
3.3413.5783.812
580650730
757757758758
400 LA8400 LB8400 LC8400 LD8
94,394,694,894,9
94,194,494,794,9
0,840,850,850,86
0,760,770,780,79
20,524,527,530,6
1.9501.9501.9501.950
4.2135.0005.9796.637
92,993,493,994,3
0,820,830,840,85
1.9002.1002.3002.450
315375450500
757756756756
355 LA8355 LB8355 LC8355 LD8
94,294,794,995,0
94,194,594,894,8
0,820,820,820,82
0,680,670,680,68
9,612,314,215,9
1.9501.9501.9501.950
2.1422.6673.3273.722
93,293,693,994,0
0,770,770,780,78
1.1601.3401.4601.570
160200250280
606605605
C4G 450 LA10450 LB10450 LC10
95,595,795,8
95,595,695,7
0,830,820,82
0,750,720,72
50,757,865,0
1.5001.5001.500
7.4188.2399.382
94,994,894,9
0,820,800,80
3.2673.5073.760
450500570
400400400
783881
1.005
607607606606
400 LA10400 LB10400 LC10400 LD10
94,394,494,894,9
94,394,594,794,8
0,790,790,790,79
0,670,670,660,66
20,524,527,530,6
1.5251.5251.5251.525
4.0034.6665.2355.811
93,593,793,994,0
0,750,760,750,75
1.9002.1102.2802.450
240280315350
400400400400
439512576640
ASYNCHRONOUS GENERATORS / Insulations class F - IP 23 - IC 01
752752752
710 LA8710 LB8710 LC8
97,597,797,7
97,397,597,6
0,860,870,87
0,760,780,79
455,0535,0632,0
---
26.02331.16436.357
97,697,097,1
0,830,850,85
11.06712.32013.662
755755754
500 LA8500 LB8500 LC8
96,496,896,9
96,396,696,8
0,840,840,84
0,770,760,76
78,090,8104,7
1.4001.4001.400
11.14113.05315.016
95,696,096,2
0,820,820,82
5.0585.5336.045
8 poles765765764
C3G 315 MA8315 MB8315 MC8
93,593,793,9
93,693,994,0
0,800,810,83
0,660,670,69
3,03,74,4
1.9501.9501.950
1.2011.4651.757
93,093,193,1
0,750,760,78
780800830
750 min-1 - 50Hz
Type
Efficiency [%]
4/4
Momentof Inertia
200024002800
85010001150
90110132
Power
kW min-1
Speed Torque
N m 3/4 2/4
Power factor
4/4 3/4 2/4
Weight Maxoverspeed
min-1kg m2
kgPn rpm
V
Voltage
Vn
400400400
A
Current
In Tn J IM B3 rpm
400400400400
400400400
690690690
690690690
163196230
542638765840
1.4621.7201.978
1.3001.4441.733
1.9482.3112.696
603603603
710 LA10710 LB10710 LC10
97,297,397,4
97,197,397,4
0,850,860,87
0,780,800,80
485,0570,0673,0
---
24.41529.26834.111
96,796,997,0
0,840,850,85
10.94312.14413.523
604604604
500 LA10500 LB10500 LC10
95,896,096,2
95,595,796,0
0,810,820,83
0,690,700,73
97,0112,9130,2
1.3001.3001.300
10.71712.34014.448
94,594,895,3
0,780,790,80
4.9245.4045.915
10 poles610609609609
C3G 355 LA10355 LB10355 LC10355 LD10
93,694,294,394,5
93,994,394,594,6
0,810,810,820,82
0,710,680,690,69
9,612,314,215,9
1.5251.5251.5251.525
2.2072.6632.9933.318
93,693,794,094,1
0,790,770,780,78
1.1601.3401.4601.570
600 min-1 - 50Hz
150018002100
650750880
132160180200
400400400400
400400400
604604604
630 LA10630 LB10630 LC10
96,596,696,7
96,396,596,6
0,840,850,85
0,750,770,77
212,5246,2285,0
1.1001.1001.100
17.18619.62122.867
95,696,096,1
0,820,830,83
7.2327.8808.682
105012001400
400400400
400400400
235285317352
1.1601.3221.532
1.8062.0402.380
1.4781.7532.022
400400400400
282352441493
400400400
9861.1051.241
504504503
630 LA12630 LB12630 LC12
96,096,196,3
95,895,996,0
0,820,820,82
0,720,720,71
223,6259,0299,9
1.1001.1001.100
14.78816.74219.695
95,095,195,2
0,800,800,80
7.2077.8878.700
750850
1000
505505505
C4G 450 LA12450 LB12450 LC12
94,995,195,1
94,795,094,9
0,800,800,80
0,670,700,70
58,166,274,4
1.3001.3001.300
6.7687.5488.542
93,894,294,0
0,760,770,78
3.2303.4693.690
340380430
507507507507
400 LA12400 LB12400 LC12400 LD12
93,493,894,094,1
93,693,994,194,2
0,740,740,740,74
0,610,600,610,61
20,524,527,530,6
1.3001.3001.3001.300
4.0334.5175.0095.604
92,993,193,493,5
0,710,700,710,71
1.9002.1102.2802.450
200225250280
508507507508
C3G 355 LA12355 LB12355 LC12355 LD12
92,693,293,293,5
92,793,193,393,6
0,710,710,710,73
0,560,540,540,57
9,612,314,215,9
1.3001.3001.3001.300
2.2332.6673.2333.618
92,092,292,492,9
0,670,650,660,68
1.1601.3401.4601.570
110132160180
503503503
710 LA12710 LB12710 LC12
96,496,896,9
96,296,997,0
0,860,870,88
0,780,810,83
527,0620,0732,0
---
22.62626.45132.295
95,596,596,7
0,840,870,87
10.87112.07313.443
504504504
500 LA12500 LB12500 LC12
95,495,695,7
95,295,495,6
0,810,810,81
0,700,700,70
103,0119,9138,2
1.2001.2001.200
9.52411.48412.856
94,494,694,8
0,780,780,78
4.9245.3915.906
115013501650
480580650
400400400400
400400400
400400400
400400400
391439488547
8561.0351.160
1.3221.4981.762
1.9322.2422.710
400400400400
224269326356
400400400
614686777
433433432
500 LA14500 LB14500 LC14
94,594,794,7
94,194,394,2
0,750,760,75
0,600,600,58
103,0119,9138,2
1.0001.0001.000
8.86010.23711.660
92,893,192,8
0,710,710,70
4.8695.3455.857
380440500
400400400
732837963
434434434
C4G 450 LA14450 LB14450 LC14
94,594,794,8
94,494,694,7
0,770,780,77
0,610,630,61
58,166,274,4
1.1001.1001.100
6.0486.9647.652
93,493,893,7
0,720,730,72
3.2863.5423.802
260300330
400400400
488556619
ASYNCHRONOUS GENERATORS / Insulations class F - IP 23 - IC 01
12 poles 500 min-1 - 50Hz
Type
Efficiency [%]
4/4
Momentof Inertia
Power
kW min-1
Speed Torque
N m 3/4 2/4
Power factor
4/4 3/4 2/4
Weight Maxoverspeed
min-1kg m2
kgPn rpm
V
Voltage
VnA
Current
In Tn J IM B3 rpm
432432432
630 LA14630 LB14630 LC14
95,295,495,6
94,895,195,2
0,780,790,79
0,630,650,65
223,6259,0299,9
900900900
13.45415.74118.018
93,594,094,1
0,740,750,75
7.1687.8528.653
14 poles436435435435
C3G 400 LA14400 LB14400 LC14400 LD14
93,894,094,394,5
94,294,394,594,7
0,750,750,750,75
0,620,620,620,62
28,035,040,045,0
1.1001.1001.1001.100
3.5024.2034.6555.342
94,194,194,294,3
0,730,750,730,73
1.9502.1202.3002.550
428,57 min-1 - 50Hz
580680780
150180200230
400400400400
400400400
431431431
710 LA14710 LB14710 LC14
96,396,496,6
96,096,196,4
0,800,800,81
0,650,650,68
527,0620,0734,0
---
20.68724.10927.496
95,095,195,6
0,760,760,78
10.68011.91613.307
90010501200
400400400
289347385443
1.0751.2441.427
1.6261.8972.141
SIN.CT.027.3 GB MarelliGenerators®
SIN.CT.027.3 GB MarelliGenerators®
Air-to-water heat exchanger (IC81W) - Vertical mounting
PL
AOADDE
355
8001665460720100210
400
11501900640860110210
450
140021508251030130250
160023009151300160300
Dimension(mm) 630500
11502300700835120210
Air-to-water heat exchanger (IC81W) - Horizontal mounting
HHDABL
AOADDE
400
40014308901672640860110210
500
5001630104021008251030130250
630
6302120130022209151300160300
Dimension(mm) 450
45013209002160700835120210
Air cooled (IC01) - Vertical mounting
250
PADLDE
S66085832375140
MSM280
66085837975140
66096942180170
66096942180
170
315
800550111590170
355
8006851590100210
400
10007501840110210
500
11508302095130250
630
160010802500160300
Dimension(mm) 450
11508352300120210
ASYNCHRONOUS GENERATORS - OVERALL DIMENSIONS [mm]
250
HHDABLDE
Dimension(mm) S
25057346080875140
MSM280
25062948078975140
28070152090180170
28070152090180
170
315
315888600112590170
355
35510008001525100210
400
40012068901790110210
500
500140210402145130250
630
630165613002200160300
Air cooled (IC01) - Horizontal mounting
450
45013209002160120210