كتاب SOFT STARTER HANDBOOK

معى اليوم احبتى فى الله
كتاب
SOFT STARTER HANDBOOK
من شركة ABB
Contents
Standards ...1
European Directives ...1
CE Marking ...1
Specification in USA and Canada ...1
Used standards ...1
General about motors ...2
Squirrel cage motors ...3
Voltage ...4
Power factor ...5
Speed ...6
Torque ...7
Slip-ring motors ...7
Different starting methods ...8
Direct-on-line start (D.O.L) ...9
Star-delta start ...10
Frequency converter ...12
Softstarter ...13
Common problem when starting and stopping motors ...14
Different applications ...15
Centrifugal fan ...16
Direct-on-line start (D.O.L) ...16
Star-delta start ...17
Softstarter ...17
Selection of a suitable Softstarter ...18
Centrifugal pump ...19
Direct-on-line start (D.O.L) ...19
Star-delta start ...20
Softstarter ...21
Selection of a suitable Softstarter ...22

Compressor ...23
Direct-on-line start (D.O.L) ...23
Star-delta start ...24
Softstarter ...25
Selection of a suitable Softstarter ...26
Conveyor belt ...27
Direct-on-line start (D.O.L) ...27
Star-delta start ...28
Softstarter ...29
Selection of a suitable Softstarter ...30
How to select a softstarter ...31
Description of the softstarters ...33
Description of different components ...34
Common settings ...36
Start ramp ...36
Stop ramp ...36
Initial voltage ...36
Current limit ...37
Step down voltage ...38
Adjustable rated motor current ...38
Different indications ...39
Different voltage names ...40
Ambient temperature ...41
High altitudes ...42
Start of several motors ...43
Parallel start of motors ...43
Sequential start of motors ...44
Different ways of connecting the softstarter ...45
In-Line connection ...46
Inside Delta connection ...46
Location of the main contactor ...47
Basic settings ...49
Table for settings without current limit function ...50
Table for settings with current limit function ...51
Starting capacity and overload protection ...52
Starting capacity for softstarters ...52
Starting capacity when using by-pass contactor ...53
Starting capacity when using overload protection ...53
Number of starts/hour ...54
Intermittance factor ...54
Harmonics ...55
Harmonic content ...55
Explosive atmospheres (EEx) ...56
Hazardous areas and zones ...57
Location and selection of softstarter ...57
Co-ordination ...58
Types of co-ordination ...59
Utilization Categories ...60
Types of fuses ...61
Where to find the co-ordination tables ...62
How to read the co-ordination tables ...63
ESD aspects ...65
Two type of faults and different circuits ...65
Electro static voltage levels ...66
Protection against ESD damages ...66Frequently Asked Questions (FAQ) ...67
Environmental information ...69
LCA ...69
EPD ...70
Industrial IT ...71
Different levels ...72
Softstarter level ...72
Formulas and conversion factors ...73
Formulas ...73
Quantities and units ...75
Conversion factors ...76
Glossary ...78
Index ...84
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