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中文LSAH 42.3 - Cogeneration alternator
Nidec Leroy-Somer LSAH 42.3 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 LSAH 42.3 alternator can be integrated in EC marked generator set, and bears EC and CMIM markings.
It is designed, manufactured and marketed in an ISO 9001 and ISO 14001 quality assurance environment.
Electrical features & performances
- Class H insulation
- 2/3 pitch winding, standard 6-wire (6S) reconnectable
- Voltage range:
- 50 Hz: 400 V
- 60 Hz: 480 V
- Other voltages: consult us
- High efficiency and motor starting capacity
Mechanical construction
- Compact rigid assembly to better withstand generator vibrations
- Steel frame and terminal box
- Cast iron and aluminum flanges and shields
- Two-bearing and single-bearing mounting
- Half-key balancing
- Greased for life ball bearings
- Direction of rotation: clockwise and anti-clockwise (without derating)
- Noise level: 82.2 dBA (IEC 60034-9)
Terminal box design
- Remote voltage regulator
- Terminal block for voltage reconnection
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Key features
Insulation class H Winding pitch 2/3 (wind. 6S) Number of wires 6 Protection IP44 Cooling - Code Water - IC7A1W7 Altitude ≤ 1000 m Overspeed 2250 R.P.M. Water flow 3 to 10 m3/h Excitation system AREP
AVR type D350 Voltage regulation (Steady state) ± 0,25 % Short-circuit current 300 % (3IN) : 10s Total Harmonic Distortion THD (*) in no-load < 2 % Total Harmonic Distortion THD (*) in linear load < 4 % Waveform: NEMA = TIF (*) < 50 % Waveform: I.E.C. = THF (*) < 1.5 % (*) Total harmonic distortion between phases, no-load or on-load (non-distorting)
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Regulation
Regulators D350 D550 AREP ● ● Mains Paralleling - ● 3-phase sensing ● ● Remote voltage potentiometer
○ ○ Current transformer for paralleling ○ ○ ● : Included ○ : Option - : Not available
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Protection system & options
- Designed for an operating environment up to 80°C and a maximum cooling liquid temperature of 75°C
- Water flow: 3 to 10 m3/h
- pH of water : 7<pH<8
- Degree of protection: IP 44
- Enclosed machine cooled by heat transfer fluid
Options:
- Remote voltage potentiometer
- Current transformer for parallel operation
- AVR quick connector
- Single-bearing configuration
- Bearing sensors
- Thermal protection for stator windings (PT100 sensors)
- Shaft height: adapted on request
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