498 en-.27 / a Alternators LSA.2-4 Pole Electrical and mechanical data
LSA.2-4 Pole SPECIALLY ADAPTED FOR APPLICATIONS The LSA.2 alternator is designed to be suitable for typical generator set applications, such as: backup, base production, cogeneration, marine applications, rental, telecommunications, etc. COMPLIANT WITH INTERNATIONAL STANDARDS The LSA.2 alternator conforms to the main international standards and regulations: IEC 634, NEMA MG 1.22, ISO 828/3, CSA, UL 1446, UL 14B on request, marine regulations, etc. It can be integrated into a CE marked generator. The LSA.2 is designed, manufactured and marketed in an ISO 91 environment. TOP OF THE RANGE ELECTRICAL PERFORMANCE - Class H insulation. - Standard 6-wire re-connectable winding, 2/3 pitch, type no. 6S. - Voltage range Hz : 38V - 4V - 41V - 44 V and 22V - 23V - 24V, - Voltage range 6 Hz : 38V - 416V - 44V - 48V and 22 V - 24 V. - High efficiency and motor starting capacity. - Other voltages are possible with optional adapted windings : - Hz : 44 V (no. 7S), V (no. 9S), 6 V (no. 22S or 23S), 69 V (no. 1S or 2S) - 6 Hz : 38 V and 416 V (no. 8S), 6 V (no. 9S). - Total harmonic content <3, %. - 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 The LSA.2 can be supplied with AREP or PMG excitation system, according to the alternator spécification. Excitation system Regulation options Volage regulator AREP PMG T.I. Current transformer for paralleling R 726 Mains paralleling Voltage regulator accuracy +/-.%. - : adaptation possible - NA : not achievable. R 731 3 Phase sensing R 734 3 Phase sensing for mains paralleling unbalanced PROTECTION SYSTEM SUITED TO THE ENVIRONMENT - The LSA.2 is IP 23. - Standard winding protection for clean environments with relative humidity %, including indoor marine environments. Options: Filters on air inlet and air outlet (IP 44). Winding protections for harsh environments and relative humidity greater than %. 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. - 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. - Connection bars for winding reconnection. - Digital A.V.R. DECS 1 adaptation, including paralleling with the mains and 3 phase sensing. P Remote voltage potentiometer R 448 V Std Option DECS 1 Option Option included included NA Copyright 24 : MOTEURS LEROY-SOMER Products and materials shown in this catalogue may, at any time, be modified in order to follow the latest technological developments, improve the design or change conditions of utilization. Their description cannot, in any case, engage LEROY-SOMER liability. The values indicated are typical values. 2
LSA.2-4 Pole Common data Insulation class H Excitation system A R E P or PMG Winding pitch 2/3 (n 6S) A.V.R. model R 448 V Terminals 6 Voltage regulation (*) ±, % Drip proof IP 23 Sustained short-circuit current 3% (3 IN) : 1s Altitude 1 m Total harmonic (* *) TGH / THC < 3. % Overspeed 22 mn-1 Waveform : NEMA = TIF - (* *) < Air flow 1,8 m 3 /s ( Hz) - 2,2 m 3 /s (6 Hz) Wave form : C.E.I. = FHT - (* *) < 2 % (*) Steady state duty. (**) Total harmonic content line to line, at no load or full rated linear and balanced load. Ratings Hz - 1 R.P.M. kva / kw - P.F. =,8 Duty / T C Continuous duty / 4 C Stand-by / 4 C Stand-by / 27 C Class / T K H / 12 K F / 1 K H / 1 K H / 163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 38V 4V 41V 44 38V 4V 41V 44 38V 4V 41V 44 38V 4V 41V 44 Δ 22V 23V 24V 22V 23V 24V 22V 23V 24V 22V 23V 24V LSA.2 S4 kva 14 14 14 14 1 1 1 1 114 114 114 114 kw 832 832 832 832 72 72 72 72 876 876 876 876 916 916 916 916 LSA.2 M6 kva 12 12 12 119 112 112 112 1 131 131 131 127 137 137 137 133 kw 1 1 1 2 9 9 9 876 12 12 12 12 11 11 11 164 LSA.2 L7 kva 13 13 13 126 121 121 121 11 142 142 142 136 148 148 148 142 kw 18 18 18 18 972 972 972 1136 1136 1136 1 1188 1188 1188 114 LSA.2 L8 kva 14 1 1 144 132 13 13 132 12 17 17 1 1 16 16 162 kw 116 12 12 112 16 18 18 16 1216 126 126 1244 1276 132 132 13 LSA.2 VL1 kva 16 164 16 14 14 147 14 142 168 172 168 167 176 18 176 173 kw 128 1312 128 1236 1164 118 1164 1136 1344 1376 1344 1336 148 144 148 1384 Ratings 6 Hz - 18 R.P.M. kva / kw - P.F. =,8 Duty / T C Continuous duty / 4 C Stand-by / 4 C Stand-by / 27 C Class / T K H / 12 K F / 1 K H / 1 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 Δ 22V 24V 22V 24V 22V 24V 22V 24V LSA.2 S4 kva 18 118 123 13 97 16 111 117 114 124 13 136 11 13 136 143 kw 868 8 988 14 78 82 888 6 912 9 14 1 6 14 188 1144 LSA.2 M6 kva 128 14 14 16 11 126 131 14 13 147 13 164 141 14 16 172 kw 128 1124 1164 12 4 112 148 1124 18 118 1224 1312 1128 1236 128 1376 LSA.2 L7 kva 137 1 1 168 124 13 14 11 144 17 163 176 11 16 171 18 kw 11 12 1244 1344 9 18 112 128 112 126 134 1412 128 132 1368 148 LSA.2 L8 kva 148 162 172 187 133 146 1 168 16 17 18 1 163 178 189 26 kw 1188 13 1376 1 168 1168 124 13 12 1364 1444 172 134 1428 112 16 LSA.2 VL1 kva 163 178 186 2 147 16 167 18 171 187 1 21 18 1 2 22 kw 138 1428 1488 16 1176 1284 134 144 1372 1 16 168 144 172 164 176 3
Efficiencies Hz - P. F. : 1 / P.F. :,8 LSA.2-4 Pole.8.3 LSA.2 S4.3 P. F. : 1.4.2.7 P. F. :,8.1.1..8.3.6.8 LSA.2 L8.8.9.8.7 P. F. : 1.4.2 P. F.:,8 2 4 6 8 1 12 14 kva.9 LSA.2 M6. P. F. : 1.6.4.3.1...9.4 P.F. :,8.8 2 4 6 8 1 12 14 16 18 2kVA 97.7 LSA.2 VL1.9.9.4.9.8 P. F. 1.6. P. F.,8 2 4 6 8 1 12 14 kva 2 4 6 8 1 12 14 16 18 2kVA.3.8 LSA.2 L7.6.7.3..6 P. F. : 1.6.3.1 P. F. :,8 2 4 6 8 1 12 14 16kVA Reactances (%). Time constants (ms) - Class H / 4 V S4 M6 L7 L8 VL1 Kcc Short-circuit ratio,3,31,34,31,33 Xd Direct axis synchro.reactance unsaturated 3 3 364 378 362 Xq Quadra. axis synchr.reactance unsaturated 236 23 218 227 217 T do Open circuit time constant 3411 3634 37 391 48 X d Direct axis transient reactance saturated 2,8 19,4 17,4 17,4 16 T d Short-Circuit transient time constant 18 18 18 18 18 X"d Direct axis subtransient reactance saturated 17,6 16, 14,8 14,8 13,6 T"d Subtransient time constant 18 18 18 18 18 X"q Quadra. axis subtransient reactance saturated 18,6 17,3 1, 1,4 14,2 Xo Zero sequence reactance unsaturated 3,7 3,6 3,6 3,3 3,1 X2 Negative sequence reactance saturated 18,2 16,9 1,2 1,1 13,9 Ta Armature time constant 27 27 27 27 27 Other data - Class H / 4 V io (A) No load excitation current,9,9 1,,9,9 ic (A) Full load excitation current 4, 4,1 4, 3,9 3,7 uc (V) Full load excitation voltage 44 44 44 42 41 ms Recovery time (DU = 2 % trans.) kva Motor start. (DU = 2% sust.) or (DU = % trans.) 2383 28 3181 371 4248 % Transient dip (rated step load) - PF :,8 LAG 14,2 13, 12,4 12,4 11,7 W No load losses 1283 13 126 142 162 W Heat rejection 488 124 326 711 92 4
LSA.2-4 Pole Transient voltage variation 4V - Hz Load application ( AREP or PMG system) 2 % S 4 M 6 L 7 % Voltage dip 1 1 L 8 VL1 2 4 6 8 1 12 14 16 18 2 kva kva at,8 power factor Load rejection (AREP or PMG system) 2 % S 4 M 6 L 7 L 8 VL1 % Voltage rise 1 1 2 4 6 8 1 12 14 16 18 2 kva kva at,8 power factor Motor starting (AREP or PMG system) 3% S 4 M 6 L 7 L 8 VL1 2 % Voltage dip 2 1 1 1 1 2 2 3 3 4 4kVA Locked rotor 1 ) For a starting P.F. differing from,6, the starting kva must be multiplied by (Sine Ø /,8) 2 ) For voltages other than 4 V (Y), 23 V ( ) at Hz, then kva must be multiplied by (4/U) 2 ou (23/U) 2.
LSA.2-4 Pole Efficiencies 6 Hz - P. F. : 1 / P. F. :,8.3 LSA.2 S4.1 P. F. : 1.9..6 P. F. :,8..1 LSA.2 L8.6.6.6.4. P. F. : 1.3.2 P. F. :,8. 2 4 6 8 1 12 14 16kVA.7.3 2 4 6 8 1 12 14 16 18 2 22kVA LSA.2 M6.3.3.3 P. F. : 1.7.3.8 P. F. :,8.2.7 2 4 6 8 1 12 14 16 18kVA LSA.2 VL1.7.7.7 P. F. : 1.1.6.8.. P. F. :,8.8.4 2 4 6 8 1 12 14 16 18 2 22kVA LSA.2 L7. P. F. : 1.4.4.8.2.4 P. F. :,8.2.7 2 4 6 8 1 12 14 16 18 2kVA Reactances (%). Time constants (ms) - Class H / 48 V S4 M6 L7 L8 VL1 Kcc Short-circuit ratio,29,29,33,3,32 Xd Direct axis synchro.reactance unsaturated 41 47 377 3 368 Xq Quadra. axis synchr.reactance unsaturated 246 244 226 236 22 T do Open circuit time constant 3411 3634 37 391 48 X d Direct axis transient reactance saturated 21,6 2,2 18,1 18,1 16,3 T d Short circuit transient time constant 18 18 18 18 18 X"d Direct axis subtransient reactance saturated 18,4 17,1 1,4 1,4 13,8 T"d Subtransient time constant 18 18 18 18 18 X"q Quadra. axis subtransient reactance saturated 19,4 18, 16,1 16,1 14,4 Xo Zero sequence reactance unsaturated 3,9 3,7 3,7 3, 3,1 X2 Negative sequence reactance saturated 18,9 17,6 1,8 1,8 14,2 Ta Armature time constant 27 27 27 27 27 Other data - Class H / 48 V io (A) No load excitation current,9,9 1,,9,9 ic (A) Full load excitation current 4,1 4,2 4,1 4, 3,7 uc (V) Full load excitation voltage 46 46 4 44 41 ms Recovery time (DU = 2 % trans.) kva Motor start. (DU = 2% sust.) or (DU = % trans.) 27 33 37 4 281 % Transient dip (rated step load) - PF :,8 LAG 14,7 13,9 12,8 12,8 11,8 W No load losses 241 22 2382 248 264 W Heat rejection 831 6483 6729 7243 7272 6
LSA.2-4 Pole Transient voltage variation 48V - 6 Hz 2 % Load application ( AREP or PMG system) S 4 M 6 L 7 % Voltage dip 1 1 L 8 VL1 2 7 1 12 1 17 2 22 2 kva kva at,8 power factor Load rejection (AREP or PMG system) 2 % S 4 M 6 L 7 L 8 VL1 % Voltage rise 1 1 2 7 1 12 1 17 2 22 2 kva kva at,8 power factor Motor starting (AREP or PMG system) 3% S 4 M 6 L 7 L 8 VL1 2 % Voltage dip 2 1 1 1 1 2 2 3 3 4 4 kva Locked rotor 1 ) For a starting P.F. other than,6, the starting kva must be multiplied by (Sine Ø /,8 ). 2 ) For voltages other than 48 V (Y), 277 V ( ), 24 V (YY) at 6 Hz, then, kva must be multiplied by (48 / U) 2 or (277 / U) 2 or (24/U) 2. 7
LSA.2-4 Pole 3 Phase short-circuit curves at no load and rated speed (star connection Y) 1 LSA.2 S4 Symmetrical Asymmetrical Current (A) 1 1 1 1 1 1 1 1 1 time (ms) 1 LSA.2 M6 Symmetrical Asymmetrical Current (A) 1 1 1 1 1 1 1 1 1 time (ms) 1 LSA.2 L7 Symmetrical Asymmetrical 1 Current (A) 1 1 Influence due to connexion Curves shown are for star connection (Y). 1 1 1 1 1 1 time (ms) For other connections, use the following multiplication factors : - Series delta : Current value x 1,732 - Parallel star : Current value x 2 8
LSA.2-4 Pole 3 Phase short-circuit curves at no load and rated speed (star connection Y) 1 LSA.2 L8 Symmetrical Asymmetrical Current (A) 1 1 1 1 1 1 1 1 1 time (ms) 1 LSA.2 VL1 Symmetrical Asymmetrical Current (A) 1 1 1 1 1 1 1 1 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 Sustained 1 1, 2,2 Max sustained duration (AREP/ PMG) 1 sec. sec. 2 sec. 9
LSA.2-4 Pole Single bearing dimensions AH 8 Xg L LB 89 16 48 Cable output Y DIA, X eq. sp. hole on U PCD 81 11 1' Access to A.V.R. 73 Ø P -,127 Ø N -, -,1 Ø BX 8 7 21 Air outlet 47 8 M12 Ø 786 1 hole M24 24 1 hole Ø 3 Ø 368 PMG option Access to rectifiers Air inlet 214 36 Ø 284 2 1 6 7 S DIA, XBG eq. sp. hole on M PCD - 1 4 123 Frame dimensions (mm) and weight (kg) Coupling TYPE L without PMG LB Xg Weight (kg) Flex plate 18 21 LSA.2 S4 132 1278 62 229 Flange S.A.E X LSA.2 M6 142 1378 64 249 Flange S.A.E X X LSA.2 L7 12 1478 69 276 LSA.2 L8 12 1478 71 298 LSA.2 VL1 162 178 76 326 Flange dimensions (mm) Flex plate dimensions (mm) S.A.E. P N M XBG S S.A.E. BX U X Y AH 88 647.7 679. 16 14 21 673.1 641.3 12 18 88 787.4 8.9 16 14 18 71. 42.9 6 18 1.7 Torsional analysis data Xr Ø 13 Ø 16 Ø 17 Lr Ø 19 Ø 144,8 Ø 14 Ø 1 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. 18 Flex plate S.A.E. 21 TYPE Xr Lr M J Xr Lr M J LSA.2 S4 64 132. 833 18.17 49 132. 831 18.62 LSA.2 M6 68 142. 4 2.6 142. 2 21.9 LSA.2 L7 643 12. 1 22.23 627 12. 13 22.68 LSA.2 L8 667 12. 182 24.6 62 12. 181 2. LSA.2 VL 1 714 162. 11 27.27 698 162. 1191 27.72 1
LSA.2-4 Pole Two bearing dimensions 21 Xg L LB 89 16 48 M12 DIA, 16 eq. sp. hole on 8.9 PCD 81 11 1' 21 Cable output Ø 88 -,127 Ø 787,4 Ø12 m6 Air outlet 7 2x2 hole M24 2x2 hole Ø 3 M12 Ø 786 28 68 42 4 6 Access to rectifiers Air inlet 214 36 Ø 368 Access to A.V.R. Option PMG 18 19 32 2 1 6 7 73-1 4 123 Frame dimensions (mm) and weight (kg) TYPE L without PMG LB Xg Weight (kg) LSA.2 S4 1488 1278 77 233 LSA.2 M6 188 1378 82 23 LSA.2 L7 1688 1478 88 28 LSA.2 L8 1688 1478 9 31 LSA.2 VL1 1788 178 33 Torsional analysis data Xr 21 Ø 12 Ø 13 Ø 16 Lr Ø 17 Ø 19 Ø 144,8 Ø 14 Ø 1 Centre de gravity : Xr (mm), rotor length Lr (mm), Weight : M (kg), Moment of inertia : J (kgm 2 ) : (4J = MD 2 ) TYPE Xr Lr M J LSA.2 S4 9 19 761 16.8 LSA.2 M6 632 169 862 19. LSA.2 L7 667 179 2 2.63 LSA.2 L8 69 179 11 23 LSA.2 VL1 736 189 112 2.67 11
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