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Leroy-Somer LSA 32.1 L9 User Manual

Leroy-Somer LSA 32.1 L9
11 pages
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ALTERNATEURS - ALTERNATORS
LSA 32.1 - Monophas
LSA 32.1 - Monophas
é/single phase
/single phase
Installation et / and maintenance
Installation et / and maintenance
R f. 1198 - 033 / d - 03.95
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ise
à l'utilisateur final
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Leroy-Somer LSA 32.1 L9 Specifications

General IconGeneral
Frequency50 Hz
Speed1500 rpm
Protection ClassIP23
Number of Poles4
Number of Phases3
Cooling SystemAir Cooled

Summary

General Characteristics and Operating Conditions

Characteristics

Details on the self-exciting, brushless, single-phase alternator with capacitor excitation.

Normal Operation Conditions

Specifies duty cycles (S1, S2, S6) and their impact on winding life and temperature limits.

Wiring Diagrams and Component Specifications

Single Phase 4 Wire Diagrams

Illustrates wiring configurations for high and low voltage connections in a 4-wire system.

Single Phase 3 Wire + 12/24 V DC Diagrams

Shows wiring for 3-wire systems with battery charging outputs via rectifier bridge.

Component Characteristics

Provides resistance values for coils, capacitor ratings, and diode specifications.

Assembly, Disassembly, and Storage

Assembly Instructions

Step-by-step guide for mounting the alternator onto the engine, including torque specifications.

Disassembly Instructions

Procedures for safely removing the stator and rotor from the engine.

Two Bearing Alternator Specifics

Information on belt-driven alternators, including shaft dimensions and radial force limits.

Storage Location Guidelines

Recommendations for storing the alternator to prevent damage from humidity or dust.

Minimum Tools Required

Lists essential mechanical and electrical tools for maintenance and testing.

Starting Up and Fault Finding

Starting Up Procedure

Instructions for initial operation and checking voltage at nominal engine speed.

Fault Finding Without Load

Troubleshooting guide for common issues like no voltage, low voltage, or over-voltage when idle.

Fault Finding With Load

Diagnosing problems such as incorrect voltage, low voltage under load, or overheating.

Electrical Testing Procedures

Measuring Winding Resistances

Guidance on measuring stator and rotor winding resistances.

Checking Diodes

Procedure for testing diodes using an ohmmeter in both directions.

Checking the Capacitor

Method for testing the capacitor's functionality by measuring current.

Parts List and Suppliers

Nomenclature and Parts Identification

Detailed exploded view and list of components with reference numbers.

Spare Parts Suppliers Addresses

Contact information and ordering advice for obtaining spare parts.

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