Description
ĐẦU PHÁT LEROY SOMER LSA 47.3
Leroy somer performance:
Leroy Somer LSA 47.3 alternator has been designed to offer you the best power generation performances. With its meticulous design and optimized architecture, the LSA 47.3 strikes the perfect balance between compactness, reliability, performance and longevity.
Whatever your application, the LSA 47.3 will meet your needs and will adapt to all situations.
Standards:
Leroy Somer LSA 47.3 alternator meets all key international standards and regulations, including IEC 60034, NEMA MG 1.32-33, ISO 8528-3, CSA C22.2 n°100-14 and UL 1446 (UL 1004 on request). Also compliant with IEC 61000-6-2,
IEC 61000-6-3, IEC 61000-6-4, VDE 0875G, VDE 0875N and EN 55011, group 1 class A for European zone.
Nidec Leroy Somer LSA 47.3 alternator can be integrated in EC marked generator set, and bears EC, EAC and CMIM markings. It is designed, manufactured and marketed in an ISO 9001 and ISO 14001 quality assurance environment.
Electrical characteristics and performances:
Class H insulation, 2/3 pitch winding, standard 12-wire (6) reconnectable
Voltage range:
– 50 Hz: 220V – 240V and 380V – 415V (440V)
– 60 Hz: 208V – 240V and 380V – 480V
High efficiency and motor starting capacity
Other voltages are possible with optional adapted windings:
– 50 Hz: 440V (no. 7), 500V (no. 9), 550V (no. 22 or 23), 600V (no. 22 or 23), 690V (no. 10 or 52)
– 60 Hz: 380V and 416V (no. 8), 600V (no. 9), 690V (no. 22 or 23)
Excitation and regulation system
*: only with AREP or PMG, phase sensing is included as a standard with digital
Protection system and options:
The LSA 47.3 is IP 23
Complete winding protection for clean environments with relative humidity ≤ 95 %, including indoor marine environments
Options:
- Filters on air inlet: derating 5%
- Filters on air inlet and air outlet (IP 44): derating 10%
- Reinforced winding protection for harsh environments and relative humidity greater than 95%
- Space heater
- Thermal protection for stator windings and shields
Mechanical construction:
- Compact and rigid assembly to better withstand generator vibrations
- Steel frame
- Cast iron flanges and shields
- Two-bearing and single-bearing versions designed to be suitable for engines on the market
- Half-key balancing
- Greased for life bearings, regreasable bearings (optional)
- Standard direction of rotation: clockwise when looking at the drive end view (for anti-clockwise, derate the machine by 5%)
Terminal box design:
- 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
General characteristics:
| Insulation class | H | Excitation system | SHUNT | AREP / PMG | |
| Winding pitch | 2/3 (wind. 6) | AVR type | R250 | D350 | |
| Number of wires | 12 | Voltage regulation (*) | ± 0.5% | ± 0.25% | |
| Protection | IP 23 | Short-circuit current | – | 300% (3 IN) : 10s | |
| Altitude | ≤ 1000 m | Total Harmonic Distortion THD (**) | no load < 1.5% – on load < 2% | ||
| Overspeed | 2250 R.P.M. | Waveform: NEMA = TIF (**) | < 50 | ||
| Air flow | 0.9 m3/s (50 Hz) / 1.1 m3/s (60 Hz) | Waveform: I.E.C. = THF (**) | < 2% | ||
(**) Total harmonic distortion between phases, no-load or on-load (non-distorting)
| Power | 410 – 660 kVA* |
| Voltage | 220 – 480V |
| Poles | 4 |
| Speed | 1500 – 1800 rpm |
| Shaft height | 355 mm |
| Max efficiency | 95.2 % |
| Excitation | SHUNT / AREP / PMG |
| Regulation | R250 / D350 / D550 |
(* kVA/50Hz – kW/60Hz | Continuous / 40°C (Discrepancies may occur, consult catalogue for exact figures)
| Insulation class | H |
| Winding pitch | 2/3 (winding 6) |
| Number of wires | 12 (optional 6 wires) |
| Protection | IP 23 |
| Altitude | ≤ 1000 m |
| Overspeed | 2250 rpm |
| Air flow | 0.9 m3/s (50Hz) / 1.1m3/s(60Hz) |
| Excitation system / AVR type | SHUNT/R250 AREP or PMG/D350 |
| Voltage regulation (Steady state) | ±0.5% SHUNT / ±0.25% AREP |
| Short-circuit current (3 IN / 10 s) | 300 % (3 IN) : 10s |
Regulators:
| Regulators | R250 | D350 | D550 |
| Mains Paralleling | – | – | ● |
| 3-phase sensing | – | ● | ● |
| Advanced settings | – | ● | ● |
| Data logging & monitoring | – | ● | ● |
| Remote communication | – | ● | ● |
| Remote voltage potentiometer | ○ | ○ | ○ |
| CT for paralleling | – | ○ | ○ |
| R791 RFI suppression kit (standard in Europe) | ○ | ○ | ○ |
● : Included ○ : Option – : Not available
Flex plate / Flange:
| Flex plate / Flange | 1 | 1/2 | 0 |
| 11 ½ | ● | – | – |
| 14 | ● | ● | ● |
| 18 | – | – | ● |
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