Low Voltage alternators - 4 pole LSA 47.2

Transcription

1 Low Voltage alternators - 4 pole 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Electrical and mechanical data 3782 en / h

2 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz SPECIALLY ADAPTED TO APPLICATIONS The alternator is designed to be suitable for typical generator applications, such as: backup, marine applications, rental, telecommunications, etc. COMPLIANT WITH INTERNATIONAL STANDARDS The alternator conforms to the main international standards and regulations: - IEC 634, NEMA MG , ISO 828-3, CSA / UL 1446 (UL 4 on request), marine regulations, etc. It can be integrated into a CE marked generator. The is designed, manufactured and marketed in an ISO 91 environment and ISO 141. TOP OF THE RANGE ELECTRICAL PERFORMANCE Class H insulation. Standard 12-wire re-connectable winding, 2/3 pitch, type no. 6 (the L9 is available in two versions: 6-wire and 12-wire). Voltage range Hz: 22 V - 24 V and 38 V - 4 V (44 V). Voltage range 6 Hz: 28 V - 24 V and 38 V - 48 V. High efficiency and motor starting capacity. Other voltages are possible with optional adapted windings: - Hz : 44 V (no. 7), V (no. 9), 6 V (no. 23), 69 V (no. 2). - 6 Hz : 38 V and 416 V (no. 8), 6 V (no. 9). 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 Excitation system Regulation options Volage regulator SHUNT AREP PMG Current transformer for paralleling Mains paralleling 3-phase sensing 3-phase sensing for mains paralleling unbalanced Remote voltage potentiometer R2 Std R4 Option Std Std C.T. R726 R731 R734 DC Option Option Option C.T. included included included Voltage regulator accuracy ±.% : possible mounting PROTECTION SYSTEM SUITED TO THE ENVIRONMENT The 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 %. Winding protections for harsh environments and relative humidity greater than %. Space heaters. Thermal protection for windings and shields. 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. 9-way terminal block for voltage reconnection. 2

3 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz General characteristics Insulation class H Excitation system SHUNT (12 wire) AREP or PMG Winding pitch 2/3 (N 6 or N 6S) AVR type R 2 R 4 Number of wires 12 (N 6) / 6 (N 6S) Voltage regulation (*) ±. % ±. % Protection IP 23 Short-circuit current - 3% (3 IN) : s Altitude m Totale Harmonic distortion THD (**) no load < 1.% - on load < 2% Overspeed 22 min -1 Waveform: NEMA = TIF (**) < Air flow.9 m 3 /s (Hz) / 1.1 (6Hz) (*) Steady state. (**) Total harmonic distortion between phases, no-load or on-load (non-distorting) Ratings Hz - 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/ K H/ K H/163 K Phase 3 ph. 3 ph. 3 ph. 3 ph. Y 38V 4V 4V 38V 4V 4V 38V 4V 4V 38V 4V 4V 22V 23V 24V 22V 23V 24V 22V 23V 24V 22V 23V 24V Y Y 2V 2V 2V 2V 12 wires version VS2 kva kw S4 kva kw S kva kw M7 kva 46 7 kw M8 kva 7 6 kw L9 kva kw wires version Y 38V 4V 4V 38V 4V 4V 38V 4V 4V 38V 4V 4V 22V 23V 24V 22V 23V 24V 22V 23V 24V 22V 23V 24V LSA 47.9 L9* kva 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/ K H/ 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 Y Y 28V 22V 24V 28V 22V 24V 28V 22V 24V 28V 22V 24V 12 wires version VS2 kva kw S4 kva kw S kva kw M7 kva kw M8 kva kw L9 kva kw wires version 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 L9* kva kw * AREP excitation only 3

4 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Efficiencies Hz - P.F.: 1 / P.F.:.8 % VS kva S P.F. : kva.6.8 S P.F. : P.F. : kva M P.F. : kva M P.F. : kva L9 (12 w) L9 (6 w) ,1, P.F. : kva.1 Reactances (%). Time constants (ms) - Class H / 4 V VS2 (12w) S4 (12w) S (12w) M7 (12w) M8 (12w) L9 (12w) L9 (6w) 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.) SHUNT kva Start ( U = 2% cont. or % trans.) AREP % Transient U (on-load 4/4) SHUNT - P.F.:.8 LAG % Transient U (on-load 4/4) AREP - P.F.:.8 LAG W No-load losses W Heat dissipation

5 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Transient voltage variation 4V - Hz Load application (SHUNT excitation) 2 % 2 VS 2 S 4 S Load application (AREP or PMG excitation) 2 % 2 VS 2 S 4 S kva kva kva at.8 power factor kva at.8 power factor Load rejection (SHUNT excitation) VS 2 S 4 S Load rejection (AREP or PMG excitation) VS 2 S 4 S 3% 3% 2 2 Voltage rise 2 Voltage rise kva kva kva at.8 power factor kva at.8 power factor Motor starting (SHUNT excitation) 3% VS 2 S 4 S Motor starting (AREP or PMG excitation) 3% VS 2 S 4 S kva kva kva Locked rotor kva Locked rotor 1) For a starting P.F. differing from.6, the starting kva must be multiplied by (Sine φ /.8) 2) For voltages other than 4V(Y), 23V() at Hz, then kva must be multiplied by (4/U) 2 or (23/U) 2.

6 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Efficiencies 6 Hz - P.F.: 1 / P.F.:.8 % 91 9 % 91 9 VS P.F. : kva S P.F. : kva M P.F. : kva M P.F. : kva S % P.F. : kva L9 (12 w) L9 (6 w) P.F. : kva Reactances (%). Time constants (ms) - Class H / 48 V VS2 (12w) S4 (12w) S (12w) M7 (12w) M8 (12w) L9 (12w) L9 (6w) 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.) SHUNT kva Start ( U = 2% cont. or % trans.) AREP % Transient U (on-load 4/4) SHUNT - P.F.:.8 LAG % Transient U (on-load 4/4) AREP - P.F.:.8 LAG W No-load losses W Heat dissipation

7 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Transient voltage variation 48V - 6 Hz Load application (SHUNT excitation) 2 % 2 VS 2 S 4 S Load application (AREP or PMG excitation) 2 % 2 VS 2 S 4 S kva kva kva at.8 power factor kva at.8 power factor Load rejection (SHUNT excitation) Load rejection (AREP or PMG excitation) 3% VS 2 S 4 S 3% VS 2 S 4 S 2 2 Voltage rise 2 Voltage rise kva kva kva at.8 power factor kva at.8 power factor Motor starting (SHUNT excitation) Motor starting (AREP or PMG excitation) 3% VS 2 S 4 S 3% VS 2 S 4 S kva kva Locked rotor Locked rotor 1) For a starting P.F. differing from.6, the starting kva must be multiplied by (Sine φ /.8) 2) For voltages other than 48V(Y), 277V(), 24V(YY) at 6 Hz, then kva must be multiplied by (48/U) 2 or (277/U) 2 or (24/U) 2. 7

8 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz 3-phase short-circuit curves at no load and rated speed (star connection Y) VS2 AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) S4 AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) S AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 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

9 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz 3-phase short-circuit curves at no load and rated speed (star connection Y) M7 AREP or PMG Current (A) SHUNT Symmetrical Asymmetrical 1 time (ms) M8 AREP or PMG Current (A) Symmetrical Asymmetrical SHUNT 1 time (ms) L9 (6w / 12 w) AREP or PMG Current (A) SHUNT Symmetrical Asymmetrical 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.) Continuous Maximum duration (AREP/PMG) sec. sec. 2 sec. 9

10 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Single bearing dimensions L Y DIA, X Eq.Sp holes on U P.C.D. A.V.R. AH 14, 33 CF Xg LB ß PMG option Cable 12 Ø P -,127 Ø N -, -, Ø BX Ø ,3 Ø 23 2 x Ø13 Ø AIR OUTLET AIR INLET Access to rectifiers 6 7 S DIA, XBG Eq. Sp. holes on M P.C.D. Dimensions (mm) and weight Coupling Type L without PMG LB Xg Weight (kg) Flex plate 11 1/ VS Flange S.A.E 1 X X S Flange S.A.E 1/2 X S Flange S.A.E X X M M L Flange (mm) Flex plate (mm) S.A.E. P N M XBG S β CF S.A.E. BX U X Y AH / / Xr Torsional analysis data Ø 7 Ø 6 Lr Ø 1 Ø 12 Ø 1 Ø 1 Ø 7 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. 11 1/2 Flex plate S.A.E. 14 Flex plate S.A.E. 18 Type Xr Lr M J Xr Lr M J Xr Lr M J VS S S M M 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.

11 36 to 6 kva - Hz / 46 to 7 kva - 6 Hz Two bearing dimensions L AVR access 13 Xg LB hole M2x PMG option Cable 12 Ø 713 Ø 2 -,127 Ø 11,17 Ø 8 m6 Ø ,3 Ø 23 2 x Ø AIR OUTLET 68 AIR INLET Diode access 7 M DIA, 12 ep. sp. hole on 3,22 PCD Dimensions (mm) and weight Type L without PMG VS S S M M L LB Xg Weight (kg) Xr 13 Ø 8 Ø 9 Ø 6 Lr Ø 1 Ø 12 Ø 1 Ø 1 Ø 7 Torsional analysis data 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 VS S S M M 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. 11

12 Contact en / a - This document is the property of Moteurs Leroy-Somer, it can not be reproduced in any form without prior written authorization. Moteurs Leroy-Somer reserves the right to modify the design, technical specifications and dimensions of the products shown in this document. The descriptions cannot in any way be considered contractual. Moteurs Leroy-Somer SAS - RCS ANGOULÊME - Capital de