Low Voltage Alternators - 4 pole LSA 44.3

Transcription

1 LSA to 150 kva - 50 Hz / 88 to 188 kva - 60 Hz Electrical and mechanical data

2 Specially adapted to applications The LSA 44.3 alternator is designed to be suitable for typical generator applications, such as: backup, marine applications, rental, telecommunications, etc. Compliant with international standards The LSA 44.3 alternator conforms to the main international standards and regulations: - IEC 60034, NEMA MG , ISO 28-3, CSA / UL 1146 (UL 04 on request), marine regulations, etc. It can be integrated into a CE marked generator. The LSA 44.3 is designed, manufactured and marketed in an ISO 01 environment and ISO Top of the range electrical performance Class H insulation. Standard 12 wire re-connectable winding, 2/3 pitch, type no. 6. Voltage range: - 50 Hz: 2 V V and 380 V V (440 V) - 60 Hz: 8 V V and 380 V V High efficiency and motor starting capacity. Other voltages are possible with optional adapted windings: - 50 Hz: 440 V (no. 7), 500 V (no. 9), 6 V (n or 52) - 60 Hz: 380 V and 416 V (no. 8), 600 V (no. 9) R 791 interference suppression conforming to standard EN group 1 class B standard for European zone (CE marking). Reinforced mechanical structure using finite element modelling Compact rigid assembly to better withstand generator vibrations. Steel frame and terminal box. Aluminium flanges and shields. Two-bearing and single-bearing versions designed to be suitable for commercially-available heat engines. Half-key balancing two bearing. Permanently greased bearings ( 000h). Direction of rotation : clockwise and anti-clockwise (without derating). Excitation and regulation system suited to the application Voltage A.V.R. Excitation system PMG Current transformer for paralleling Mains paralleling Regulation options 3 phase sensing 3 phase sensing on mains paralleling unbalanced Remote voltage R 250 Std R Std Std C.T. R726 R 731 R 734 R450T Option Option Option C.T. R726 - R 734 D5C Option Option Option C.T. included included contact factory : Possible mounting. Compact and design terminal box Easy access to the AVR (lid) and to the connections. Terminal block for reconnecting the voltage. Protection system suited to the environment The LSA 44.3 is IP 23. Standard winding protection for clean environments with relative humidity %, including indoor marine environments. Options : - filters on air inlet : derating 5%, - filters on air inlet and air outlet (IP 44) : derating %, - space heaters, - thermal protection for stator windings, - winding protection for harsh environments and relative humidity greater than %, - shaft height : H = 225 mm on demand, - cable outlet at right. 2 Electric Power Generation

3 General characteristics Insulation class H Excitation system or PMG Winding pitch 2/3 (wdg 6) AVR type R 250 R 438 Number of wires 12 Voltage regulation (*) ± 0.5 % ± 1 % Protection IP 23 Short-circuit current - 0% (3 IN): s Altitude 00 m Totale Harmonic distortion THD (**) in no-load... : < 2% Overspeed 2250 min -1 Totale Harmonic distortion THD (**) on linear load.. : < 5% Air flow 0.25m 3 /s, 50 Hz - 0.m 3 /s, 60 Hz Waveform: NEMA = TIF (**) < 50 (*) Steady state. (**) between phases. Ratings 50 Hz R.P.M. kva / kw * - P.F. = 0.8 Duty/T C Continuous duty/40 C Continuous duty/40 C Stand-by/40 C Stand-by/27 C Class/T K H/125 K F/5 K H/150 K H/163 K Phase 3 ph. 1 ph. 3 ph. 1 ph. 3 ph. 1 ph. 3 ph. 1 ph. Y 380V 400V 415V 440V 380V 400V 415V 440V 380V 400V 415V 440V 380V 400V 415V 440V 2V 2V 240V 2V 2V 2V 240V 2V 2V 2V 240V 2V 2V 2V 240V 2V YY 2V 2V 2V 2V 44.3 S2 kva kw S3 kva kw S4 kva kw S5 kva kw M6 kva kw M8 kva kw L kva kw Ratings 60 Hz R.P.M. kva / kw * - P.F. = 0.8 Duty/T C Continuous duty/40 C Continuous duty/40 C Stand-by/40 C Stand-by/27 C Class/T K H/125 K F/5 K H/150 K H/163 K Phase 3 ph. 1 ph. 3 ph. 1 ph. 3 ph. 1 ph. 3 ph. 1 ph. Y 380V 416V 440V 480V 380V 416V 440V 480V 380V 416V 440V 480V 380V 416V 440V 480V 2V 240V 240V 2V 240V 240V 2V 240V 240V 2V 240V 240V YY 8V 2V 240V 8V 2V 240V 8V 2V 240V 8V 2V 240V 44.3 S2 kva kw S3 kva kw S4 kva kw S5 kva kw M6 kva kw M8 kva kw L kva kw * Values are rounded-off and are subject to change without notice by the manufacturer. Electric Power Generation 3

4 Efficiencies 400 V - 50 Hz ( P.F.: 0.8) (... P.F.: 1 ) LSA 44.3 S2 0% 0% LSA 44.3 M6 94,2 93, ,5,9 91,8 91,8 91,7 87,6 86, kva 91,7 92, ,6 94,5 94,9 94,8 92, kva 0% LSA 44.3 S3 0% LSA 44.3 M8 94,1 94, ,6 91,4 91,9 91,4 88,8 87, kva LSA 44.3 S4 0% 93,3 94,4 94,7 94,6 91,8 92,5 92,3 92,1 89,1 88, kva 0% ,8,3 93, kva 91,7,8 94,7 LSA 44.3 L 93,3,2,1 93,4 92,9 92,6,3,3,2 93,5 93,1 92, kVA 0% LSA 44.3 S , kva Reactances (%). Time constants (ms) - Class H / 400 V S2 S3 S4 S5 M6 M8 L Kcc Short-circuit ratio Xd Direct-axis synchro. reactance unsaturated Xq Quadrature-axis synchro. reactance unsaturated T do No-load transient time constant X d Direct-axis transient reactance saturated T d Short-circuit transient time constant X d Direct-axis subtransient reactance saturated T d Subtransient time constant X q Quadrature-axis subtransient reactance saturated Xo Zero sequence reactance unsaturated X2 Negative sequence reactance saturated Ta Armature time constant Other class H / 400 V data io (A) No-load excitation current (/) 0.74 / / / / / / / 0. ic (A) On-load excitation current (/) 2.03 / / / / / / / 3.05 uc (V) On-load excitation voltage (/) 22.7 / /.2 26 / / / / / 23.3 ms Response time ( U = % transient) kva Start ( U = % cont. or U = % trans.) kva Start ( U = % cont. or U = % trans.) % Transient U (on-load 4/4) - P.F.: 0.8 LAG % Transient U (on-load 4/4) - P.F.: 0.8 LAG W No-load losses W Heat dissipation Electric Power Generation

5 Transient voltage variation 400V - 50 Hz % Phase loading () M6 M8 L % Phase loading ( & PMG) M6 M8 L kva kva Load shedding () M6 M8 L Load shedding ( & PMG) S3 S5 M6 M8 L Voltage rise Voltage rise kva kva Motor starting () S3 M6 M8 L Motor starting ( & PMG) M6 M8 L 2% kva locked rotor kva at 0.6 P.F kVA.locked rotor kva at 0.6 P.F. 1) For a starting P.F. other than 0.6, the starting kva must be multiplied by K = Sine P.F. / 0.8 Calculation example for a different P.F. other than 0.6: Starter motor kva calculated at 0.4 P.F. = 1 kva Sin P.F. 0.4 = K = kva corrected = kva Voltage dip corresponding to L = 12%. 2) For voltages other than 400V (Y), 2V (D) at 50 Hz, then kva must be multiplied by (400/U) 2 or (2/U) 2. Electric Power Generation 5

6 Efficiencies 480 V - 60 Hz ( P.F.: 0.8) (... P.F.: 1 ) LSA 44.3 S2 0% 0% LSA 44.3 M ,1 93,4 91,6 91,7 91,9 91,9,3 86, kva,6 89,7 94,1 94,8 94,9 94,9 92,7 93,1 92,7 92, kVA 0% LSA 44.3 S3 0% LSA 44.3 M8 87,4 86,4 92,3 94,1 93,7 94,1,9 91,9 91,9 91, kva,9,1 94,3 93,1,1, kva 93,5,1 93,1 92,9 0% LSA 44.3 S4 0% LSA 44.3 L 94,1 94,5 94,6 92,6 92,4 91,4 92,4 92,5 87,7 86, kva,6 89,9 94,2,1 93,3,3 93,5 93,3 93, kva 0% LSA 44.3 S5 93,1 94,3 94,6 94,6 92,2 91,8 92,5 92,4 88,7 87, kva Reactances (%). Time constants (ms) - Class H / 480 V S2 S3 S4 S5 M6 M8 L Kcc Short-circuit ratio Xd Direct-axis synchro. reactance unsaturated Xq Quadrature-axis synchro. reactance unsaturated T do No-load transient time constant X d Direct-axis transient reactance saturated T d Short-circuit transient time constant X d Direct-axis subtransient reactance saturated T d Subtransient time constant X q Quadrature-axis subtransient reactance saturated Xo Zero sequence reactance unsaturated X2 Negative sequence reactance saturated Ta Armature time constant Other class H / 480 V data io (A) No-load excitation current (/) 0.74 / / / / / / / 0. ic (A) On-load excitation current (/) 2.02 / / / / / / / 3.04 uc (V) On-load excitation voltage (/) 22.9 / / / / 23.3 / / / 23.7 ms Response time ( U = % transient) kva Start ( U = % cont. or U = % trans.) kva Start ( U = % cont. or U = % trans.) % Transient U (on-load 4/4) - P.F.: 0.8 LAG % Transient U (on-load 4/4) - P.F.: 0.8 LAG W No-load losses W Heat dissipation Electric Power Generation

7 Transient voltage variation 480V - 60 Hz % Phase loading () M6 M8 L % Phase loading ( & PMG) M6 M8 L kva kva Load shedding () M6 M8 L Load shedding ( & PMG) S3 S5 M6 M8 L Voltage rise Voltage rise kva kva Motor starting () M6 M8 L Motor starting ( & PMG) M6 M8 L 2% kva 171,7 locked rotor kva at 0.6 P.F kva.locked rotor kva at 0.6 P.F. 1) For a starting P.F. other than 0.6, the starting kva must be multiplied by K = Sine P.F. / 0.8 Calculation example for a different P.F. other than 0.6: Starter motor kva calculated at 0.4 P.F. = 150 kva Sin P.F. 0.4 = K = kva corrected = kva Voltage dip corresponding to L = 12%. 2) For voltages other than 480V (Y), 277V (D), 240V (YY) at 60 Hz, then kva must be multiplied by (480/U) 2 or (277/U) 2 or (240/U) 2. Electric Power Generation 7

8 3-phase short-circuit curves at no load and rated speed (star connection Y) 000 LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 S Influence due to connection Curves shown are for star (Y) connection. For other connections, use the following multiplication factors: - Series delta : current value x Parallel star : current value x 2 8 Electric Power Generation

9 3-phase short-circuit curves at no load and rated speed (star connection Y) 000 LSA 44.3 M LSA 44.3 M LSA 44.3 L 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.) Continuous Maximum duration (/PMG) sec. 5 sec. 2 sec. Electric Power Generation 9

10 Single bearing dimensions Ø P + 0 Ø N AH Ø BX Xg Ø444 L LB PMG option. Ø 235 XBG Ø S holes equid. on Ø M Cable output 2 opposite holes not drilled for SAE Access to terminals Access to A.V.R H Air outlet Air inlet 184 Access to diodes X Ø Y holes equid. on Ø U C 25 Dimensions (mm) and weight Coupling Type L LB Xg C H(*) Weight/kg Flange LSA 44.3 S Flex plate LSA 44.3 S x LSA 44.3 S /2 x x x - LSA 44.3 S x x x x LSA 44.3 M x x LSA 44.3 M LSA 44.3 L (*) Shaft height H = 225 optional (C = / 406 = 356) drawing available upon request. Flange (mm) Flex plate (mm) S.A.E. P N M S XBG S.A.E. BX U X Y AH / Torsional analysis data Xr Ø 40 Ø 72 Ø 75 Lr Ø 70 Ø 40 Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg), Moment of inertia: J (kgm 2 ): (4J = MD 2 ) S.A.E. 8 S.A.E. S.A.E. 11 1/2 S.A.E. 14 Type Xr Lr M J Xr Lr M J Xr Lr M J Xr Lr M J LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 M LSA 44.3 M LSA 44.3 L 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. Electric Power Generation

11 Two bearing dimensions Ø Ø Ø 65 M Xg L LB 409 Ø PMG option. 12 Ø M holes equid. sp. on Ø Ø 235 Access to terminals Cable output Access to diodes Access to A.V.R H Air inlet Air outlet C Dimensions (mm) and weight Type L LB Xg C H(*) Weight/kg LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 M LSA 44.3 M LSA 44.3 L (*) Shaft height H = 225 optional (C = / 406 = 356) drawing available upon request. Torsional analysis data Xr Ø 65 Ø 70 Ø 75 Lr Ø 70 Ø 40 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 LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 S LSA 44.3 M LSA 44.3 M LSA 44.3 L 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. Electric Power Generation 11

12 Emerson 14. The information contained in this brochure is for guidance only and does not form part of any contract. The accuracy cannot be guaranteed as Emerson have an ongoing process of development and reserve the right to change the specification of their products without notice. Moteurs Leroy-Somer SAS. Headquarters: Bd Marcellin Leroy, CS 015, Angoulême Cedex 9, France. Share Capital: , RCS Angoulême en / d