Nidec LEROY-SOMER LSA 52.2 MHV User Manual

TABLE OF CONTENTS
1. GENERAL INFORMATION 4
1.1 INTRODUCTION 4
1.1.0 General points 4
1.1.1 Safety notes 4
1.1.2 Conditions of use 4
1.1.2.1 Generalities 4
1.1.2.2 Vibratory analysis 4
1.1.2.3 Risk of blasting object 4
1.2 GENERAL DESCRIPTION 5
1.2.1 Generator (arep) 5
1.2.2 Excitation system 5
2
. D
ESCRIPTION OF SUB-ASSEMBLIES 6
2.1 STATOR 6
2.1.1 Electric machine armature 6
2.1.2 Excitation field winding 6
2.1.3 Stator protection 6
2.1.3.1 Heating resistor 6
2.1.3.2 Stator winding temperature sensor 6
2.1.3.3 Stator air sensor 6
2.1.3.4 Bearing vibration sensor 7
2.2 ROTOR 7
2.2.1 Revolving field-coil 7
2.2.2 Excitation armature 7
2.2.3 Fan (machines: IC 0 A1) 7
2.2.4 Rotating diode bridge 7
2.2.5 Balancing 8
2.3 TERMINAL BOX 8
2.3.0 Description 8
2.3.1 Automatic voltage regulator (AVR) 8
2.4 NAMEPLATES 8
2.4.1. Main nameplate 8
2.4.2. Lubrication nameplate 8
2.4.3. Rotation direction nameplate 8
2.5 ANTI FRICTION BEARING 9
2.5.0 Description of antifriction bearings 9
2.5.1 Antifriction bearing protection devices 9
9
9
9
9
9
2.6 Not applicable
2.7 Not applicable
2.8 Not applicable
2.9 Not applicable
2.10 Not applicable
2.11 Not applicable
9
2
.12 TRANSPORT LOCKING SYSTEM 9
3
. IN
STALLATION 10
3.1 TRANSPORT AND STORAGE 10
3.1.1 Transport 10
3.1.2 Storage warehouse 10
3.1.3 Maritime packing 10
3.1.4 Unpacking and installation 10
3.1.5 Storage measures of antifriction bearings 10
3.1.6 Not applicable 10
3.1.7 Not applicable 10
3.1.8 Storage measures of open drip proof
machines 10
3.2 INSTALLATION OF THE MACHINE 11
3.2.1 Fitting the coupling (double-bearing
machine only) 11
3.2.2 Fitting the stator 11
3.3 MACHINE ALIGNMENT 11
3.3.1 Alignment general points 11
3.3.1.1 General points 11
3.3.1.2 Shaft elevation caused by Thermal
elevation 12
3.3.1.3 Not applicable 12
3.3.1.4 Shaft elevation of Anti-friction bearing
machine 12
3.3.1.5 Generator check before alignment 12
3.3.1.6 Alignment procedure"Double concentricity"
alignment method 12
3.3.2 Two bearings machine alignment (flanged)
13
3.3.2.1 Machines without axial end play (standard)
13
3.4 ELECTRICAL CONNECTIONS 14
3.4.0. General points 14
3.4.1 Phase-sequence 14
3.4.1.1 Standard units ; IEC 34-8 14
3.4.1.2 On request ; NEMA 15
3.4.2 Insulating distances 15
3.4.3 Added products in the terminal box 15
4.
S
TART-UP 16
4.1 ELECTRICAL START-UP INSPECTION 16
4.1.0 General points 16
4.1.1 Winding Insulation 16
4.1.2 Electrical connections 16
4.1.3 Parallel operation 16
4.1.3.1 Definition of parallel operation 16
E
lectric Power Generation
Installation and maintenance
5654 en - 2017.10 / a
LSA 52.2 MHV
Industrial Range Alternators - 4 pole
2

Nidec LEROY-SOMER LSA 52.2 MHV Specifications

General

Brand	Nidec
Model	LEROY-SOMER LSA 52.2 MHV
Category	Portable Generator
Language	English