LSA Pole. R 726 Mains paralleling

Transcription

1 498 en-.27 / a Alternators LSA.2-4 Pole Electrical and mechanical data

2 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 Phase sensing R Phase sensing for mains paralleling unbalanced PROTECTION SYSTEM SUITED TO THE ENVIRONMENT - The LSA.2 is IP 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

3 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 kw LSA.2 M6 kva kw LSA.2 L7 kva kw LSA.2 L8 kva kw LSA.2 VL1 kva kw 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 kw LSA.2 M6 kva kw LSA.2 L7 kva kw LSA.2 L8 kva kw LSA.2 VL1 kva kw

4 Efficiencies Hz - P. F. : 1 / P.F. :,8 LSA.2-4 Pole.8.3 LSA.2 S4.3 P. F. : P. F. :, LSA.2 L P. F. : P. F.:, kva.9 LSA.2 M6. P. F. : P.F. :, kVA 97.7 LSA.2 VL P. F P. F., kva kVA.3.8 LSA.2 L P. F. : P. F. :, kVA 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 Xq Quadra. axis synchr.reactance unsaturated T do Open circuit time constant X d Direct axis transient reactance saturated 2,8 19,4 17,4 17,4 16 T d Short-Circuit transient time constant X"d Direct axis subtransient reactance saturated 17,6 16, 14,8 14,8 13,6 T"d Subtransient time constant 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 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 ms Recovery time (DU = 2 % trans.) kva Motor start. (DU = 2% sust.) or (DU = % trans.) % Transient dip (rated step load) - PF :,8 LAG 14,2 13, 12,4 12,4 11,7 W No load losses W Heat rejection

5 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 VL kva kva at,8 power factor Load rejection (AREP or PMG system) 2 % S 4 M 6 L 7 L 8 VL1 % Voltage rise 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 kVA 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.

6 LSA.2-4 Pole Efficiencies 6 Hz - P. F. : 1 / P. F. :,8.3 LSA.2 S4.1 P. F. : P. F. :,8..1 LSA.2 L P. F. : P. F. :, kVA kVA LSA.2 M P. F. : P. F. :, kVA LSA.2 VL P. F. : P. F. :, kVA LSA.2 L7. P. F. : P. F. :, kVA 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 Xq Quadra. axis synchr.reactance unsaturated T do Open circuit time constant X d Direct axis transient reactance saturated 21,6 2,2 18,1 18,1 16,3 T d Short circuit transient time constant X"d Direct axis subtransient reactance saturated 18,4 17,1 1,4 1,4 13,8 T"d Subtransient time constant 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 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 ms Recovery time (DU = 2 % trans.) kva Motor start. (DU = 2% sust.) or (DU = % trans.) % Transient dip (rated step load) - PF :,8 LAG 14,7 13,9 12,8 12,8 11,8 W No load losses W Heat rejection

7 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 VL kva kva at,8 power factor Load rejection (AREP or PMG system) 2 % S 4 M 6 L 7 L 8 VL1 % Voltage rise 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 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

8 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) time (ms) 1 LSA.2 M6 Symmetrical Asymmetrical Current (A) time (ms) 1 LSA.2 L7 Symmetrical Asymmetrical 1 Current (A) 1 1 Influence due to connexion Curves shown are for star connection (Y) time (ms) For other connections, use the following multiplication factors : - Series delta : Current value x 1,732 - Parallel star : Current value x 2 8

9 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) time (ms) 1 LSA.2 VL1 Symmetrical Asymmetrical Current (A) 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

10 LSA.2-4 Pole Single bearing dimensions AH 8 Xg L LB Cable output Y DIA, X eq. sp. hole on U PCD ' Access to A.V.R. 73 Ø P -,127 Ø N -, -,1 Ø BX Air outlet 47 8 M12 Ø hole M hole Ø 3 Ø 368 PMG option Access to rectifiers Air inlet Ø S DIA, XBG eq. sp. hole on M PCD Frame dimensions (mm) and weight (kg) Coupling TYPE L without PMG LB Xg Weight (kg) Flex plate LSA.2 S Flange S.A.E X LSA.2 M Flange S.A.E X X LSA.2 L LSA.2 L LSA.2 VL Flange dimensions (mm) Flex plate dimensions (mm) S.A.E. P N M XBG S S.A.E. BX U X Y AH 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 S LSA.2 M LSA.2 L LSA.2 L LSA.2 VL

11 LSA.2-4 Pole Two bearing dimensions 21 Xg L LB M12 DIA, 16 eq. sp. hole on 8.9 PCD ' 21 Cable output Ø 88 -,127 Ø 787,4 Ø12 m6 Air outlet 7 2x2 hole M24 2x2 hole Ø 3 M12 Ø Access to rectifiers Air inlet Ø 368 Access to A.V.R. Option PMG Frame dimensions (mm) and weight (kg) TYPE L without PMG LB Xg Weight (kg) LSA.2 S LSA.2 M LSA.2 L LSA.2 L LSA.2 VL 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 S LSA.2 M LSA.2 L LSA.2 L LSA.2 VL

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