LSA 51.2 Low Voltage Alternators - 4 pole

Transcription

1 LSA 1.2 Low Voltage Alternators - 4 pole 186 to 2 kva - Hz / 223 to 3 kva - 6 Hz Electrical and mechanical data

2 Specially adapted to applications The LSA 1.2 alternator is designed to be suitable for typical generator applications, such as: backup, marine applications, rental, telecommunications, etc. Compliant with international standards The LSA 1.2 alternator conforms to the main international standards and regulations: - IEC 634, NEMA MG , ISO 828-3, CSA / UL 1446 (UL 14 on request), marine regulations, etc. It can be integrated into a CE marked generator. The LSA 1.2 is designed, manufactured and marketed in an ISO 91 environment and ISO 141. Top of the range electrical performance Class H insulation Standard 6-wire 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) 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 1.2 can be supplied with AREP or PMG excitation system, according to the alternator specification. Standard excitation system is AREP with R 449 A.V.R. Excitation system Regulation options Volage regulator AREP + PMI PMG Current transformer for paralleling Mains paralleling 3-phase sensing 3-phase sensing for mains paralleling unbalanced Remote voltage potentiometer R449 Std Option C.T. R726 R731 R734 D1C Option Option C.T. included included contact factory : Possible mounting Protection system suited to the environment The LSA 1.2 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 8% - 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 Regreasable bearings 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 or PMG Winding pitch 2/3 (n 6S) AVR type R 449 Number of wires 6 Voltage regulation (*) ±. % Protection IP 23 Short-circuit current 3% (3 IN) : 1s Altitude 1 m Total Harmonic Distortion THD (**) < 4 % Overspeed 22 min -1 Waveform: NEMA = TIF (**) < Air flow 2. m 3 /s ( Hz) m 3 /s (6 Hz) (*) Regulator input voltage, steady state, within the below total harmonic distortion (THD) limits. (**) Total harmonic distortion between phases, no-load or on-load (non-distorting). Ratings Hz - 1 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/1 K H/1 K H/163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 38V 4V 41V 44V 38V 4V 41V 44V 38V 4V 41V 44V 38V 4V 41V 44V * 22V 23V 24V 22V 23V 24V 22V 23V 24V 22V 23V 24V LSA 1.2 S kva kw LSA 1.2 M6 kva kw LSA 1.2 L7 kva kw LSA 1.2 VL9 kva kw LSA 1.2 VL kva * : Consult factory kw 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/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 * 22V 24V 22V 24V 22V 24V 22V 24V LSA 1.2 S kva kw LSA 1.2 M6 kva kw LSA 1.2 L7 kva kw LSA 1.2 VL9 kva kw LSA 1.2 VL kva * : Consult factory kw Electric Power Generation 3

4 Efficiencies Hz ( P.F.:.8) (... P.F.: 1) 98% LSA 1.2 S %.2 LSA 1.2 VL kva 98% LSA 1.2 M % LSA 1.2 VL kva 98% LSA 1.2 L kva Reactances (%). Time constants (ms) - Class H / 4 V S M6 L7 VL9 VL 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/4 V data io (A) No-load excitation current ic (A) On-load excitation current uc (V) On-load excitation voltage ms Response time ( U = 2% transient) kva Start ( U = 2% cont. or % trans.) % Transient U (on-load 4/4) - P.F.:.8 LAG W No-load losses W Heat dissipation Electric Power Generation

5 Transient voltage variation 4V - Hz 2 % Load application ( AREP or PMG system) S % Voltage dip M 6 L 7 VL VL kva kva at.8 power factor 2% Load rejection (AREP or PMG system) S M 6 L 7 % Voltage rise VL VL9 kva at.8 power factor 3% Motor starting (AREP or PMG system) S M 6 2 L 7 VL % Voltage dip % VL kva Locked rotor 1) For a starting P.F. other than.6, the starting kva must be multiplied by K = Sine P.F. /.8 Calculation example for a different P.F. other than.6: Starter motor kva calculated at.4 P.F. = 2 kva Sin P.F..4 =.916 K = 1.14 kva corrected = 229 kva Voltage dip corresponding to VL9 = 13%. 2) For voltages other than 4V (Y), 23V (D) at Hz, then kva must be multiplied by (4/U) 2 or (23/U) 2. Electric Power Generation

6 Efficiencies 6 Hz ( P.F.:.8) (... P.F.: 1) %.3 LSA 1.2 S %. LSA 1.2 VL %.3 LSA 1.2 M %.6 LSA 1.2 VL %.4 LSA 1.2 L Reactances (%). Time constants (ms) - Class H / 48 V S M6 L7 VL9 VL 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/48 V data io (A) No-load excitation current ic (A) On-load excitation current uc (V) On-load excitation voltage ms Response time ( U = 2% transient) kva Start ( U = 2% cont. or % trans.) % Transient U (on-load 4/4) - P.F.:.8 LAG W No-load losses W Heat dissipation Electric Power Generation

7 Transient voltage variation 48V - 6 Hz 2 % Load application ( AREP or PMG system) S % Voltage dip M 6 L 7 VL VL kVA kva at.8 power factor 2% Load rejection (AREP or PMG system) S M 6 % Voltage rise L 7 VL VL kva kva at.8 power factor 3% Motor starting (AREP or PMG system) S M 6 % Voltage dip % 1 L 7 VL VL kva Locked rotor 1) For a starting P.F. other than.6, the starting kva must be multiplied by K = Sine P.F. /.8 Calculation example for a different P.F. other than.6: Starter motor kva calculated at.4 P.F. = 2 kva Sin P.F..4 =.916 K = 1.14 kva corrected = 229 kva Voltage dip corresponding to VL9 = 11%. 2) For voltages other than 48V (Y), 277V (D), 24V (YY) at 6 Hz, then kva must be multiplied by (48/U) 2 or (277/U) 2 or (24/U) 2. Electric Power Generation 7

8 3-phase short-circuit curves at no load and rated speed (star connection Y) 1 LSA 1.2 S Symmetrical Asymmetrical 1 Current (A) time (ms) 1 LSA 1.2 M6 Symmetrical Asymmetrical 1 Current (A) time (ms) 1 LSA 1.2 L7 Symmetrical Asymmetrical 1 Current (A) 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 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) 1 LSA 1.2 VL9 Symmetrical Asymmetrical Current (A) time (ms) 1 LSA 1.2 VL 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.) Continuous Maximum duration (AREP/PMG) 1 sec. sec. 2 sec. Electric Power Generation 9

10 Single bearing dimensions AH V L LB 676 Option S DIA,XBG Eq. Sp. holes on M P.C.D. 182 ß 12 Xg PMG Option +118 Cables Ø 998 Ø N f 8 Ø BX Option f 7 Ø 91 Ø YDIA, X Eq. Sp. holes on U P.C.D AIR OUTLET AIR INLET 1 B holes Ø 33 4 holes Ø 14, 4 holes Ø M Dimensions (mm) and weight Coupling Type L without PMG LB B V Xg Weight (kg) Flex plate LSA 1.2 S Flange S.A.E 24 X LSA 1.2 M Flange S.A.E 21 X LSA 1.2 L Flange S.A.E 18 X X LSA 1.2 VL LSA 1.2 VL Flange (mm) Flex plate (mm) S.A.E. N M XBG S β S.A.E. BX U X Y AH Torsional analysis data Xr Ø 22 Ø 24 Lr Ø 22 Ø 17 Ø 14 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 Flex plate S.A.E. 24 Type Xr Lr M J Xr Lr M J Xr Lr M J LSA 1.2 S LSA 1.2 M LSA 1.2 L LSA 1.2 VL LSA 1.2 VL NOTE : Dimensions are for information only and may be subject to modifications. Contractual 2D drawings can be downloaded from the Leroy- Somer site, 3D drawing files are available upon request. The torsional analysis of the transmission is imperative. All values are available upon request. 1 Electric Power Generation

11 Two bearing dimensions L M12 DIA, 16 Eq. Sp. on Ø 8,9 V LB Xg PMG option +118 Option Ø f8 Ø 787,4 Ø 1 m6 AIR OUTLET AIR INLET 1 B holes Ø 33 4 holes Ø 14, 4 holes Ø M24 6 Dimensions (mm) and weight Type L without PMG LB B V Xg Weight (kg) LSA 1.2 S LSA 1.2 M LSA 1.2 L LSA 1.2 VL LSA 1.2 VL Torsional analysis data Xr 31 Ø 1 Ø 16 Ø 182 Ø 24 Ø 22 Ø 17 Ø 14 Ø 91 Ø Câbles M Lr 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 1.2 S LSA 1.2 M LSA 1.2 L LSA 1.2 VL LSA 1.2 VL NOTE : Dimensions are for information only and may be subject to modifications. Contractual 2D drawings can be downloaded from the Leroy- Somer site, 3D drawing files are available upon request. The torsional analysis of the transmission is imperative. All values are available upon request. Electric Power Generation 11

12 Linkedin.com/company/Leroy-Somer Twitter.com/Leroy_Somer_en Facebook.com/LeroySomer.Nidec.en YouTube.com/LeroySomerOfficiel Nidec 217. 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 11, 1691 Angoulême Cedex 9, France. Capital social : , RCS Angoulême en / h