Low Voltage alternators - 4 pole 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Electrical and mechanical data 3782 en - 214.1 / h
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz SPECIALLY ADAPTED TO APPLICATIONS The alternator is designed to be suitable for typical generator applications, such as: backup, marine applications, rental, telecommunications, etc. COMPLIANT WITH INTERNATIONAL STANDARDS The alternator conforms to the main international standards and regulations: - IEC 634, NEMA MG 1.32-33, ISO 828-3, CSA / UL 1446 (UL 4 on request), marine regulations, etc. It can be integrated into a CE marked generator. The is designed, manufactured and marketed in an ISO 91 environment and ISO 141. TOP OF THE RANGE ELECTRICAL PERFORMANCE Class H insulation. Standard 12-wire re-connectable winding, 2/3 pitch, type no. 6 (the L9 is available in two versions: 6-wire and 12-wire). Voltage range Hz: 22 V - 24 V and 38 V - 4 V (44 V). Voltage range 6 Hz: 28 V - 24 V and 38 V - 48 V. High efficiency and motor starting capacity. Other voltages are possible with optional adapted windings: - Hz : 44 V (no. 7), V (no. 9), 6 V (no. 23), 69 V (no. 2). - 6 Hz : 38 V and 416 V (no. 8), 6 V (no. 9). R 791 interference suppression conforming to standard EN 11 group 1 class B standard for European zone (CE marking). EXCITATION AND REGULATION SYSTEM SUITED TO THE APPLICATION Excitation system Regulation options Volage regulator SHUNT AREP PMG Current transformer for paralleling Mains paralleling 3-phase sensing 3-phase sensing for mains paralleling unbalanced Remote voltage potentiometer R2 Std - - - - - - R4 Option Std Std C.T. R726 R731 R734 DC Option Option Option C.T. included included included Voltage regulator accuracy ±.% : possible mounting PROTECTION SYSTEM SUITED TO THE ENVIRONMENT The is IP 23. Standard winding protection for clean environments with relative humidity %, including indoor marine environments. Options : Filters on air inlet : derating %. Filters on air inlet and air outlet (IP 44) : derating %. Winding protections for harsh environments and relative humidity greater than %. Space heaters. Thermal protection for windings and shields. 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. Sealed for life ball bearings, regreasable bearings (optional). Standard direction of rotation : clockwise when looking at the drive end view (for anti-clockwise, derate the machine by %). 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. 9-way terminal block for voltage reconnection. 2
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz General characteristics Insulation class H Excitation system SHUNT (12 wire) AREP or PMG Winding pitch 2/3 (N 6 or N 6S) AVR type R 2 R 4 Number of wires 12 (N 6) / 6 (N 6S) Voltage regulation (*) ±. % ±. % Protection IP 23 Short-circuit current - 3% (3 IN) : s Altitude m Totale Harmonic distortion THD (**) no load < 1.% - on load < 2% Overspeed 22 min -1 Waveform: NEMA = TIF (**) < Air flow.9 m 3 /s (Hz) / 1.1 (6Hz) (*) Steady state. (**) Total harmonic distortion between phases, no-load or on-load (non-distorting) Ratings Hz - R.P.M. kva / kw - P.F. =.8 Duty/T C Continuous duty/4 C Continuous duty/4 C Stand-by/4 C Stand-by/27 C Class/T K H/12 K F/ K H/ K H/163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 38V 4V 4V 38V 4V 4V 38V 4V 4V 38V 4V 4V 22V 23V 24V 22V 23V 24V 22V 23V 24V 22V 23V 24V Y Y 2V 2V 2V 2V 12 wires version VS2 kva 36 33 4 42 kw 2 264 324 336 S4 kva 4 37 43 4 kw 328 2 344 36 S kva 4 4 471 kw 364 324 377 4 M7 kva 46 7 kw 4 372 44 46 M8 kva 7 6 kw 44 4 46 48 L9 kva 6 3 63 66 kw 48 428 4 28 6 wires version Y 38V 4V 4V 38V 4V 4V 38V 4V 4V 38V 4V 4V 22V 23V 24V 22V 23V 24V 22V 23V 24V 22V 23V 24V LSA 47.9 L9* kva 6 3 63 66 kw 48 428 4 28 Ratings 6 Hz - 18 R.P.M. kva / kw - P.F. =.8 Duty/T C Continuous duty/4 C Continuous duty/4 C Stand-by/4 C Stand-by/27 C Class/T K H/12 K F/ K H/ K H/163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 38V 416V 44V 48V 38V 416V 44V 48V 38V 416V 44V 48V 38V 416V 44V 48V 22V 24V 22V 24V 22V 24V 22V 24V Y Y 28V 22V 24V 28V 22V 24V 28V 22V 24V 28V 22V 24V 12 wires version VS2 kva 424 44 46 46 3 4 4 4 41 483 11 469 18 3 kw 339 363 36 36 3 328 328 328 361 386 4 49 37 4 414 424 S4 kva 4 48 12 3 442 442 46 47 13 33 3 81 kw 36 384 4 4 317 34 34 372 38 4 426 44 4 424 44 46 S kva 47 31 7 441 473 4 18 3 43 66 27 62 8 62 kw 38 48 42 46 33 378 3 414 42 434 43 474 422 4 468 M7 kva 62 6 62 62 23 66 81 9 6 61 669 68 62 668 69 7 kw 4 488 418 43 46 472 48 21 3 4 34 2 6 M8 kva 62 6 63 69 23 66 87 632 6 61 672 729 62 671 7 7 kw 4 488 4 2 418 43 47 6 48 21 38 83 37 64 6 L9 kva 62 661 68 7 6 69 634 67 643 77 734 78 667 728 763 82 kw 482 29 48 6 44 487 7 4 14 66 87 624 34 82 6 66 6 wires version Y 38V 416V 44V 48V 38V 416V 44V 48V 38V 416V 44V 48V 38V 416V 44V 48V 22V 24V 22V 24V 22V 24V 22V 24V L9* kva 62 661 68 7 6 69 634 67 643 77 734 78 667 728 763 82 kw 482 29 48 6 44 487 7 4 14 66 87 624 34 82 6 66 * AREP excitation only 3
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Efficiencies Hz - P.F.: 1 / P.F.:.8 %.6 91.7.1.8 VS 2.4..3 91 2 2 3 3 4 4 kva.1.4..8 S4.9.4..9.3.8 P.F. :.8 2 2 3 3 4 4 kva.6.8 S.8.7.6.1 P.F. :.8..4.8 P.F. :.8 2 2 3 3 4 4 kva.8..2.8.8.9..8 M7.2.1..3 P.F. :.8 2 2 3 3 4 4 kva M8.1.3.1.9.2.6.4.1 P.F. :.8 2 3 4 6 kva L9 (12 w) L9 (6 w)..3.1.2.4.2,1,1.7.4..2.3. P.F. :.8 2 3 4 6 7 kva.1 Reactances (%). Time constants (ms) - Class H / 4 V VS2 (12w) S4 (12w) S (12w) M7 (12w) M8 (12w) L9 (12w) L9 (6w) Kcc Short-circuit ratio.38.37.33.41.32.37.38 Xd Direct-axis synchro. reactance unsaturated 336 322 37 37 36 33 32 Xq Quadrature-axis synchro. reactance unsaturated 21 1 214 184 216 198 1 T do No-load transient time constant 1738 18 18 1 18 1997 1997 X d Direct-axis transient reactance saturated 19.3 17.3 19.2.9 18.3 16. 16.2 T d Short-circuit transient time constant X d Direct-axis subtransient reactance saturated 13. 12.1 13. 11.1 12.9 11.4 11.6 T d Subtransient time constant X q Quadrature-axis subtransient reactance saturated 18.4 16.3 18 14.7 17.2 Xo Zero sequence reactance unsaturated.9.9.9.7.6.9.2 X2 Negative sequence reactance saturated 16 14.2.8 13 13.2 13.4 Ta Armature time constant Other class H/4 V data io (A) No-load excitation current 1.9.9 1.9.9.9 ic (A) On-load excitation current 3.8 3. 3.8 3.6 3.7 3.7 3.7 uc (V) On-load excitation voltage 39 3 38 36 37 36 36 ms Response time ( U = 2% transient) kva Start ( U = 2% cont. or % trans.) SHUNT 722 8 8 73 19 128 128 kva Start ( U = 2% cont. or % trans.) AREP 8 3 3 11 12 14 14 % Transient U (on-load 4/4) SHUNT - P.F.:.8 LAG 16.8. 16.7 14.6 16.2 14.8 % Transient U (on-load 4/4) AREP - P.F.:.8 LAG 13.7 12.7 13.6 11.9 13.2 12.2 12.1 W No-load losses 44 69 69 64 612 678 688 W Heat dissipation 278 247 2378 234 262 2749 2672 4
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Transient voltage variation 4V - Hz Load application (SHUNT excitation) 2 % 2 VS 2 S 4 S Load application (AREP or PMG excitation) 2 % 2 VS 2 S 4 S 2 3 4 6 7 8 kva 2 3 4 6 7 8 kva kva at.8 power factor kva at.8 power factor Load rejection (SHUNT excitation) VS 2 S 4 S Load rejection (AREP or PMG excitation) VS 2 S 4 S 3% 3% 2 2 Voltage rise 2 Voltage rise 2 2 3 4 6 7 8 kva 2 3 4 6 7 8 kva kva at.8 power factor kva at.8 power factor Motor starting (SHUNT excitation) 3% VS 2 S 4 S Motor starting (AREP or PMG excitation) 3% VS 2 S 4 S 3 3 2 2 2 2 2 4 6 8 12 kva 2 4 6 8 12 14 kva kva Locked rotor kva Locked rotor 1) For a starting P.F. differing from.6, the starting kva must be multiplied by (Sine φ /.8) 2) For voltages other than 4V(Y), 23V() at Hz, then kva must be multiplied by (4/U) 2 or (23/U) 2.
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Efficiencies 6 Hz - P.F.: 1 / P.F.:.8 % 91 9 % 91 9 VS 2.3.2.1.4.4.7.3.1 P.F. :.8 91.1 9.4 2 3 4 kva S4.7.6.6.9.1 P.F. :.8.3.9.8 91.7 91.1 2 3 4 6 kva.3 91.7 M7.9..2.7.4.3 P.F. :.8 91 2 3 4 6 7 kva M8.1.9.6.7.8.2.6.4.2 P.F. :.8 2 3 4 6 7 8 kva S %.7.7.6.1.9.1.3 P.F. :.8.7.4 91.7 91 2 3 4 6 7 kva.2.7.8.7.1.2. L9 (12 w) L9 (6 w).6.2.2.1.1.7.6.9.6.4 P.F. :.8 2 3 4 6 7 8 kva Reactances (%). Time constants (ms) - Class H / 48 V VS2 (12w) S4 (12w) S (12w) M7 (12w) M8 (12w) L9 (12w) L9 (6w) Kcc Short-circuit ratio.36.36.32.4.31.3.36 Xd Direct-axis synchro. reactance unsaturated 349 33 373 319 376 344 338 Xq Quadrature-axis synchro. reactance unsaturated 29 21 223 191 22 26 23 T do No-load transient time constant 1738 18 18 1 18 1997 1997 X d Direct-axis transient reactance saturated 2.1 18 2.1 16. 19.2 17.2 16.9 T d Short-circuit transient time constant X d Direct-axis subtransient reactance saturated 14.1 12.6 14 11.6 13.4 11.8 12.1 T d Subtransient time constant X q Quadrature-axis subtransient reactance saturated 19.1 16.9 18.8.3 17.8.6.8 Xo Zero sequence reactance unsaturated.1.4.1.1.9.9.4 X2 Negative sequence reactance saturated 16.6 14.8 16. 13..6 13.7 14 Ta Armature time constant Other class H/48 V data io (A) No-load excitation current 1.9.9 1.9.9.9 ic (A) On-load excitation current 3.9 3. 3.9 3.7 3.8 3.7 3.7 uc (V) On-load excitation voltage 4 3 39 37 38 37 37 ms Response time ( U = 2% transient) kva Start ( U = 2% cont. or % trans.) SHUNT 89 1136 1136 1318 1433 4 kva Start ( U = 2% cont. or % trans.) AREP 9 1271 1271 1473 166 1733 1737 % Transient U (on-load 4/4) SHUNT - P.F.:.8 LAG 17.3 16 17.3 16.7..3 % Transient U (on-load 4/4) AREP - P.F.:.8 LAG 14.1 13 14.1 12.2 13.6 12.6 12.4 W No-load losses 84 89 89 8 3 44 8 W Heat dissipation 26 26 24 2863 3219 3387 33 6
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Transient voltage variation 48V - 6 Hz Load application (SHUNT excitation) 2 % 2 VS 2 S 4 S Load application (AREP or PMG excitation) 2 % 2 VS 2 S 4 S 2 4 6 8 kva 2 4 6 8 kva kva at.8 power factor kva at.8 power factor Load rejection (SHUNT excitation) Load rejection (AREP or PMG excitation) 3% VS 2 S 4 S 3% VS 2 S 4 S 2 2 Voltage rise 2 Voltage rise 2 2 4 6 8 kva 2 4 6 8 kva kva at.8 power factor kva at.8 power factor Motor starting (SHUNT excitation) Motor starting (AREP or PMG excitation) 3% VS 2 S 4 S 3% VS 2 S 4 S 3 2 3 2 2 2 2 4 6 8 12 14 kva 2 6 14 18 kva Locked rotor Locked rotor 1) For a starting P.F. differing from.6, the starting kva must be multiplied by (Sine φ /.8) 2) For voltages other than 48V(Y), 277V(), 24V(YY) at 6 Hz, then kva must be multiplied by (48/U) 2 or (277/U) 2 or (24/U) 2. 7
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz 3-phase short-circuit curves at no load and rated speed (star connection Y) VS2 AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) S4 AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) S AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) Influence due to connection Curves 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 8
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz 3-phase short-circuit curves at no load and rated speed (star connection Y) M7 AREP or PMG Current (A) SHUNT Symmetrical Asymmetrical 1 time (ms) M8 AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) L9 (6w / 12 w) AREP or PMG Current (A) SHUNT Symmetrical Asymmetrical 1 time (ms) Influence due to short-circuit Curves are based on a three-phase short-circuit. For other types of short-circuit, use the following multiplication factors. 3-phase 2-phase L/L 1-phase L/N Instantaneous (max.) 1.87 1.3 Continuous 1 1. 2.2 Maximum duration (AREP/PMG) sec. sec. 2 sec. 9
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Single bearing dimensions L Y DIA, X Eq.Sp holes on U P.C.D. A.V.R. AH 14, 33 CF Xg LB 6 49 17 74 ß PMG option Cable 12 Ø P -,127 Ø N -, -, Ø BX Ø 616 89,3 Ø 23 2 x Ø13 Ø 26 12 62-1 3 867 AIR OUTLET 6 6 18 228 244 3 68 28 13 9 AIR INLET Access to rectifiers 6 7 S DIA, XBG Eq. Sp. holes on M P.C.D. Dimensions (mm) and weight Coupling Type L without PMG LB Xg Weight (kg) Flex plate 11 1/2 14 18 VS2 41 9 437 976 Flange S.A.E 1 X X S4 11 6 471 1113 Flange S.A.E 1/2 X S 11 6 471 1113 Flange S.A.E X X M7 121 16 11 124 M8 121 16 2 1289 L9 1221 1176 4 1372 Flange (mm) Flex plate (mm) S.A.E. P N M XBG S β CF S.A.E. BX U X Y AH 1 713 11.17 3.22 12 12 11 1/2 32.42 333.38 8 11 39.6 1/2 713 84.2 619.12 12 14 22 14 466.72 438. 8 14 2.4 713 647.7 679.4 16 14 11 42 18 71. 42. 6 17.7 Xr Torsional analysis data Ø 7 Ø 6 Lr Ø 1 Ø 12 Ø 1 Ø 1 Ø 7 Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg), Moment of inertia: J (kgm 2 ): (4J = MD 2 ) Flex plate S.A.E. 11 1/2 Flex plate S.A.E. 14 Flex plate S.A.E. 18 Type Xr Lr M J Xr Lr M J Xr Lr M J VS2 432. 29 387.99 418.3 29 387 6.12 48. 29 387 6.38 S4 47 89 442 6.9 46 89 442 7.3 446 89 442 7.29 S 47 89 442 6.9 46 89 442 7.3 446 89 442 7.29 M7 1189 4 7.61 4 1189 4 7.74 486 1189 4 8 M8 21 1189 14 8.1 7 1189 14 8.14 497 1189 14 8.4 L9 42 129 47 8.2 28 129 47 8.6 18 129 47 8.91 NOTE : Dimensions are for information only and may be subject to modifications. Contractuel 2D drawings can be downloaded from the Leroy- Somer site, 3D drawing files are available upon request.
36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Two bearing dimensions L AVR access 13 Xg LB 6 49 74 1 hole M2x42 3 17 PMG option Cable 12 Ø 713 Ø 2 -,127 Ø 11,17 Ø 8 m6 Ø 616 472 89,3 Ø 23 2 x Ø13 9 14 22 12-1 3 867 AIR OUTLET 68 AIR INLET 62 6 6 2 13 13 13 9 28 Diode access 7 M DIA, 12 ep. sp. hole on 3,22 PCD Dimensions (mm) and weight Type L without PMG VS2 11 21 47 9 S4 1211 81 491 1126 S 1211 81 491 1126 M7 1311 1181 31 123 M8 1311 1181 31 132 L9 1331 121 6 13 LB Xg Weight (kg) Xr 13 Ø 8 Ø 9 Ø 6 Lr Ø 1 Ø 12 Ø 1 Ø 1 Ø 7 Torsional analysis data Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg), Moment of inertia: J (kgm 2 ): (4J = MD 2 ) Type Xr Lr M J VS2 3.4 1139 368..79 S4 433.2 1199 424 6.7 S 433.2 1199 424 6.7 M7 473 1299 476.2 7.41 M8 483. 1299 4.9 7.81 L9 4. 1319 28 8.32 NOTE : Dimensions are for information only and may be subject to modifications. Contractuel 2D drawings can be downloaded from the Leroy- Somer site, 3D drawing files are available upon request. 11
Contact en - 213. / a www.leroy-somer.com - This document is the property of Moteurs Leroy-Somer, it can not be reproduced in any form without prior written authorization. Moteurs Leroy-Somer reserves the right to modify the design, technical specifications and dimensions of the products shown in this document. The descriptions cannot in any way be considered contractual. Moteurs Leroy-Somer SAS - RCS 338 67 28 ANGOULÊME - Capital de 6 8 12