LSA 53.2 Low Voltage Alternator - 4 pole

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Leo Bell
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1 LSA 53.2 Low Voltage Alternator - 4 pole 400V - 50 Hz / 480V - 60 Hz Electrical and mechanical data

2 Specially adapted to applications The LSA 53.2 alternators are designed to be suitable for typical generator applications, such as: prime power generation, cogeneration, marine applications, rental, telecommunications, data center, emergency genset, etc. Compliant with international standards These alternators conform to the main international standards and regulations: - IEC 60034, NEMA MG , ISO , - CSA C22.2 n , marine regulations, UL are available as an option. They can be integrated into a CE marked generator. These alternators are designed, manufactured and marketed in an ISO 9001 and ISO environment. Top of the range electrical performance Class H insulation Standard 6-wire winding, 2/3 pitch Each model is proposed for two frequencies: - Voltage range 50 Hz: 380V - 400V - 415V V - Voltage range 60 Hz: 380V - 416V - 440V - 480V High efficiency and motor starting capacity Other voltages are possible with optional adapted windings: - 50 Hz : 440V (no. 7S), 500V (no. 9S), 600V (no. 22S or 23S), 690V (no. 10S or 52S) - 60 Hz : 380V and 416V (no. 8S), 600V (no. 9S) 690V Excitation and regulation system suited to the application These alternators can be supplied with AREP + PMI or PMG excitation system, according to the alternator specification. Standard excitation system is AREP with D 510C A.V.R. Volage regulator Excitation system AREP + PMI PMG Current transformer for paralleling Mains paralleling Regulation options 3-phase sensing 3-phase sensing for mains paralleling unbalanced Remote voltage potentiometer D510C Std Option C.T. included included contact factory Option Protection system suited to the environment These alternators are IP 23 Standard winding protection for clean environments with relative humidity 95 % Options: Filters on air inlet: derating 5% Filters on air inlet and air outlet (IP 44): derating 1 Winding protections for harsh environments and relative humidity greater than 95% Space heaters Protection or metering CTs Thermal protection for stator windings and/or bearings (PT100) 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 Regreasable bearings Clockwise rotation in standard 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 2 Electric Power Generation

3 General characteristics Insulation class H Excitation system AREP + PMI Winding pitch 2/3 (n 6S) AVR type D 510C Number of wires 6 Voltage regulation (*) ± 0.5 % Protection IP 23 Short-circuit current 30 (3 IN) : 10s Altitude 1000 m Total Harmonic Distortion THD (**) in no-load: < 4 % Overspeed 2250 R.P.M. Waveform: NEMA = TIF (**) < 50 Air flow 2.5 m 3 /s (50 Hz) m 3 /s (60 Hz) Waveform: I.E.C. = THF (**) < 2 % (*) 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/105 K H/150 K H/163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 380V 400V 415V 440V 380V 400V 415V 440V 380V 400V 415V 440V 380V 400V 415V 440V LSA 53.2 M7 kva kw LSA 53.2 M9 kva kw LSA 53.2 M12 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/105 K H/150 K H/163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 380V 416V 440V 480V 380V 416V 440V 480V 380V 416V 440V 480V 380V 416V 440V 480V LSA 53.2 M7 kva kw LSA 53.2 M9 kva kw LSA 53.2 M12 kva kw Electric Power Generation 3

4 Efficiencies 400V - 50 Hz ( P.F.: 1) (... P.F.: 0.8) LSA 53.2 M7 LSA 53.2 M % 5 75% % 5 75% 10 Load - % kwe Load - % kwe LSA 53.2 M % 5 75% 10 Load - % kwe Reactances (%). Time constants (ms) - Class H / 400V 53.2 M M M12 Kcc Short-circuit ratio Xd Direct-axis synchronous reactance unsaturated Xq Quadrature-axis synchronous 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 X0 Zero sequence reactance unsaturated X2 Negative sequence reactance saturated Ta Armature time constant Other class H / 400V data io (A) No-load excitation current ic (A) On-load excitation current uc (V) On-load excitation voltage kw No-load losses kw Heat dissipation Electric Power Generation

5 Transient voltage variation at load inrush: 400V - 50 Hz LSA kva at P.F. = 0.8 LSA kva at P.F. = Voltage dip 1 2 Voltage dip 1 2 M7 M9 M12 5 M7 M9 M12 LSA kva at P.F. = Voltage dip M7 M9 M12 Transient voltage variation at load rejection: 400V - 50 Hz LSA kva at P.F. = 0.8 M7 M9 M12 Voltage rise Electric Power Generation 5

6 Efficiencies 480V - 60 Hz ( P.F.: 1) (... P.F.: 0.8) LSA 53.2 M7 LSA 53.2 M % 5 75% 10 Load - % kwe % 5 75% 10 Load - % kwe LSA 53.2 M % 5 75% 10 Load - % kwe Reactances (%). Time constants (ms) - Class H / 480V 53.2 M M M12 Kcc Short-circuit ratio Xd Direct-axis synchronous reactance unsaturated Xq Quadrature-axis synchronous 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 X0 Zero sequence reactance unsaturated X2 Negative sequence reactance saturated Ta Armature time constant Other class H / 480V data io (A) No-load excitation current ic (A) On-load excitation current uc (V) On-load excitation voltage kw No-load losses kw Heat dissipation Electric Power Generation

7 Transient voltage variation at load inrush: 480V - 60 Hz LSA kva at P.F. = 0.8 LSA kva at P.F. = Voltage dip 1 2 Voltage dip 1 2 M7 M9 M12 5 M7 M9 M12 LSA kva at P.F. = Voltage dip M7 M9 M12 Transient voltage variation at load rejection: 480V - 60 Hz LSA kva at P.F. = 0.8 Voltage rise 2 1 M7 M9 M Electric Power Generation 7

8 Short-circuit curves at rated speed (star connection Y) 12 Isc (short-circuit current /In) LSA 53.2 M7 Short-circuit at alternator terminals Time (seconds) 12 Isc (short-circuit current /In) LSA 53.2 M9 Short-circuit at alternator terminals Time (seconds) 8 Electric Power Generation

9 12 Isc (short-circuit current /In) LSA 53.2 M12 Short-circuit at alternator terminals Time (seconds) Symetrical phase to neutral short-circuit Symetrical two phase short-circuit Symetrical three phase short-circuit Heat damage curve limit Electric Power Generation 9

10 Single bearing dimensions 1115 Xg L 676 Auxiliary cable Cable output U1-V1-W1 Ø 1040 f 8 Ø Ø f 7 Ø 150 m6 Ø DIA,12 eq. sp. holes on P.C.D. 14 DIA,16 eq. sp. holes on P.C.D. 920x Ø AIR OUTLET x Ø 14.5 (dowell pin) Dimensions (mm) and weight Coupling Type L Xg Weight (kg) Flange S.A.E LSA 53.2 M Flex plate S.A.E. 21 X LSA 53.2 M Flex plate S.A.E. 18 X X LSA 53.2 M Flange (mm) Flex plate (mm) S.A.E. N M XBG S S.A.E. BX U X Y AH Torsional analysis data Xr J1 J2 J3 k1 k2 k3 Ø 220 Ø 240 Ø 250 Ø 234 Ø 180 Ø 170 Ø 150 Ø 120 Ø x M27x2 (jacking screw) 220 AIR INLET 4 x Ø 33 (fixing) 500 mini (wall) D drawing files available - Do not hesitate to contact us. FAN MAGNET WHEEL EXCITER Lr Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg) Type Xg Lr M LSA 53.2 M LSA 53.2 M LSA 53.2 M Torsional rigidity [Nm/rad] (kg.m 2 ) k1 k2 k3 J1 J2 J E E E E E E E E E NOTE: Dimensions are for information only and may be subject to modifications. Contractual 2D drawings and 3D drawing files are available and can be downloaded from the site: The torsional analysis of the transmission is the responsability of genset manufacturer. 10 Electric Power Generation

11 Two bearing dimensions Xg LB L Auxiliary cable M12,16 eq. sp. holes on P.C.D Cable output U1-V1-W1 670 Ø 880 Ø f8 Ø 150 m6 Ø1006 Ø x M30x58 Rotation AIR OUTLET 7 4 x Ø 14.5 (dowell pin) 4 x M27x2 (jacking screw) AIR INLET 4 x Ø 33 (fixing) 500 mini (wall) Dimensions (mm) and weight Type L LB Xg Weight (kg) LSA 53.2 M LSA 53.2 M LSA 53.2 M D drawing files available - Do not hesitate to contact us. Torsional analysis data Xr J1 J2 J3 k1 k2 k3 Ø 150 Ø 160 Ø 175 Ø 245 Ø 310 Ø 289 Ø 190 Ø 170 Ø 160 Ø 140 Ø FAN MAGNET WHEEL EXCITER Lr Centre of gravity: Xr (mm), Rotor length: Lr (mm), Weight: M (kg) Type Xr Lr M LSA 53.2 M LSA 53.2 M LSA 53.2 M Torsional rigidity [Nm/rad] (kg.m 2 ) k1 k2 k3 J1 J2 J E E E E E E E E E NOTE: Dimensions are for information only and may be subject to modifications. Contractual 2D drawings and 3D drawing files are available and can be downloaded from the site: The torsional analysis of the transmission is the responsability of genset manufacturer. Electric Power Generation 11

12 Linkedin.com/company/Leroy-Somer Twitter.com/Leroy_Somer_en Facebook.com/LeroySomer.Nidec.en YouTube.com/LeroySomerOfficiel Nidec The information contained in this brochure is for guidance only and does not form part of any contract. The accuracy cannot be guaranteed as Nidec have an ongoing process of development and reserve the right to change the specification of their products without notice. Moteurs Leroy-Somer SAS. Siège : Bd Marcellin Leroy, CS 10015, Angoulême Cedex 9, France. Capital social : , RCS Angoulême en / d

LSA 51.2 Low Voltage Alternators - 4 pole

LSA 51.2 Low Voltage Alternators - 4 pole LSA 1.2 Low Voltage Alternators - 4 pole 186 to 2 kva - Hz / 223 to 3 kva - 6 Hz Electrical and mechanical data Specially adapted to applications The LSA 1.2 alternator is designed to be suitable for typical