Nidec LSA 53.2 Manuals

Manuals and User Guides for Nidec LSA 53.2. We have 1 Nidec LSA 53.2 manual available for free PDF download: Installation And Maintenance Manual

Nidec LSA 53.2 Installation And Maintenance Manual (40 pages)

Industrial Range Alternators

Brand: Nidec | Category: Industrial Equipment | Size: 4.46 MB

Table of Contents
2
General Information
4
Introduction
4
Safety Notes
4
Conditions of Use
4
Generalities
4
Vibration Analysis
4
Short-Circuit Capacity
4
Object Projection Risk
5
General Description
5
Generator (Arep)
5
Excitation System
5
Description of Sub-Assemblies
5
Stator
5
Stator of the Electric Machine
5
Excitation Field Winding
6
Stator Protection
6
Heating Resistance
6
Stator Winding Temperature Sensor
6
Stator Air Temperature Probe
6
Bearing Vibration Sensor
6
Rotor
7
Pole Wheel (Laminated)
7
Excitation Armature
7
Fan (Machines: IC 0 A1)
7
Rotating Diode Bridge
7
Balancing (Single Fan Machine)
7
Terminal Box
8
Description (on Damper Buffers)
8
Automatic Voltage Regulator (AVR)
8
Nameplates
8
Main Nameplate
8
Lubrication Nameplate
8
Rotation Direction Nameplate
8
Roller-Bearing
8
Description of Roller-Bearings
8
Bearing Protection Devices
8
Air Filters
9
Transport Locking System
9
General Information
9
Machines with Bearings
9
Double Roller Bearing Machine
9
Single Roller Bearing Machine
9
Installation
10
Transport and Storage
10
Transportation
10
Warehouse Storage
10
Storage in Maritime Packaging
10
Unpacking and Installation
10
Roller Bearing Storage Measures
10
Uncovered Machinery Storage Measures
10
Installation of the Machine
11
Coupling Assembly (Double-Bearing Machine Only)
11
Stator Attaching
11
Machine Alignment
11
General Information Concerning the Alignment
11
General Information
11
Shaft Elevation Caused by Heat Rise
11
Elevation of the Shaft of a Roller Bearing Machine
11
Inspection of the Generator before Alignment
11
Alignment Procedure with the "Double Concentricity" Method
11
Alignment of a Double-Flanged Bearing Machine
12
Machines Without Axial Play (Standard)
12
Electrical Connections
13
General Information
13
Phase Order
13
Standard Units; IEC
13
Upon Request; NEMA
14
Insulation Distances
14
Added Products in the Terminal Box
14
Start-Up
15
Electrical Start-Up Inspection
15
General Information
15
Insulation of the Winding
15
Electrical Connections
15
Parallel Operation
15
Definition of Parallel Operation
15
Possibility of Parallel Operation
15
Parallel Coupling
15
Mechanical Start-Up Inspection
15
Terminal Box Start-Up
16
Vibrations
16
Start-Up Sequences
16
Machine Stopped Checks
16
Machine Running Checks
16
Rotor Speed Ramp-Up (Standard Machine)
16
Checks of Machine Running Without Excitation
16
Checks of Excited Machine Running with no Load
16
Generator and Site Safety Parameter
16
Checks of Machine Running under Full Load Checks
16
Generator Start-Up Checklist
17
Maintenance and Servicing
19
General Information
19
Preventive Maintenance Programme
20
General Information
20
Stator
20
Rotor
20
Terminal Box
20
Roller Bearing
21
Rubber Dampers
21
Filters
21
Protection Devices
21
Air Gap Check
22
General Information
22
Double-Bearing Machine
22
Bearings
22
Cleaning of Old Bearing Grease
22
Cleaning of the Bearing Assembly Area
23
Bearing Disassembly
23
Bearing Reassembly
23
Lubricants
24
Greases
24
Air Filter
24
Cleaning
24
Air Filter Cleaning Frequency
24
Air Filter Cleaning Procedure
24
Screw Tightening
24
General Information
24
Steel Screws in Steel Tapping
25
Plugs
25
Electrical Contact
25
Rotating Diodes
25
Synthetic Parts
25
Electrical Measuring Instruments
25
Instruments Used
25
Insulation Check of Windings
25
General Information
25
Insulation Measurement
26
Polarisation Index
26
Rotary Diode Bridge Test
27
Coil Cleaning
27
General Information
27
Coil Cleaning Products
27
Cleaning Operation
27
Winding Drying
28
General Information
28
Drying Method
28
Drying Generator in a Stopped Position
28
Drying Generator in Rotation
28
New Varnish Application
29
Terminal Box
29
Spare Parts
29
Mechanical Defects
30
Electrical Faults
31
Typical Assemblies and Drawings
32
Machine Section Views
32
Machine Type A52.3
32
Machine Type A53; A54
34
Roller Bearing Mounting
35
Machines A52, A53 and A54; Standard
35
Standard Safety Regulations
36
European Regulations and Directives
36
Low Voltage Machines
36
Medium and High Voltage Machines
37
Short Circuit Capacity of the Terminal Box
38

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Nidec LSA 53.2 Installation And Maintenance Manual (40 pages)

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