Mcgeorge Marine Electrical Equipment and Practice

2. Auflage 2014
ISBN: 978-0-08-093812-7
Verlag: Elsevier Science & Techn.
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, 168 Seiten, Web PDF

Caters for marine engineer candidates for Department of Transport Certification as Marine Engineer Class One and Class Two. It covers the various items of ships' electrical equipment and explains operating principles. David McGeorge is a former lecturer in Marine Engineering at the College of Maritime Studies, Warsash, Southampton. He is the author of General Engineering Knowledge.

Zielgruppe

Academic/professional/technical: Research and professional. Academic/professional/technical: Technical and vocational

Autoren/Hrsg.

Mcgeorge, H D

Inhaltsverzeichnis

1;Front Cover;1
2;Marine Electrical Equipment and Practice;4
3;Copyright Page;5
4;Table of Contents;6
5;Preface;7
6;CHAPTER ONE. Batteries and Emergency Systems;8
6.1;Lead-acid storage batteries;8
6.2;Nickel-cadmium storage batteries;10
6.3;Battery charging;14
6.4;Standby emergency batteries;15
6.5;Battery installations and safety measures;17
6.6;Emergency generator;17
6.7;Emergency electrical power;19
7;CHAPTER TWO. Electronic Equipment;21
7.1;The structure of an atom;21
7.2;Semi-conductor materials;22
7.3;Thermistors;23
7.4;P- and N-type semi-conductors;24
7.5;Solid state devices;25
7.6;Semi-conductor junction rectifier (two-layer device);26
7.7;Majority and minority carriers;28
7.8;Barrier potential;28
7.9;Rectification;29
7.10;Zener diodes (two-layer devices);32
7.11;Voltage doubler;34
7.12;Transistors;35
7.13;Thyristors;37
7.14;Silicon controlled rectifiers (SCRs);38
8;CHAPTER THREE. A.C. Generators;42
8.1;Simple alternator;43
8.2;Three-phase systems;44
8.3;Stator construction;46
8.4;Rotor details;47
8.5;Excitation systems;50
8.6;Carbon pile regulator;51
8.7;Vibrating contact regulator;52
8.8;Static automatic voltage regulator;53
8.9;The brushless alternator;54
8.10;Static excitation system;55
8.11;Transient volt dip and alternator response;57
8.12;Reference;59
9;CHAPTER FOUR. A.C. Switchboards and Distribution Systems;60
9.1;Power factor;60
9.2;Alternator circuit breakers;60
9.3;Alternator and system protection;62
9.4;Synchroscope;65
9.5;Emergency synchronising lamps;67
9.6;A.C. earth fault lamps;68
9.7;Transformers;68
9.8;References;72
10;CHAPTER FIVE. A.C. Motors;73
10.1;Squirrel-cage induction motors;73
10.2;Double cage rotor;82
10.3;Speed variation;83
10.4;Synchronous motor;84
10.5;Single-phasing;85
10.6;Motor protection;86
10.7;Single-phase induction motors;88
11;CHAPTER SIX. D.C. Generators;90
11.1;Practical direct current generator;91
11.2;Shunt generator;93
11.3;Series generator;95
11.4;Compound generator;96
11.5;Armature windings and the commutator;98
11.6;Lap-wound armature;98
11.7;Brushes;99
11.8;Armature reaction;102
11.9;Interpoles and compensating windings;102
11.10;Operation;104
12;CHAPTER SEVEN. D.C. Switchboards and Distribution Systems;106
12.1;Main circuit breaker;106
12.2;Generator protection;107
12.3;Parallel operation of d.c. generators (with equaliser);111
12.4;Prime movers;113
12.5;Earth lamps;113
13;CHAPTER EIGHT. D.C. Motors;115
13.1;Motor construction and operation;115
13.2;Resistance starting of d.c. motors;115
13.3;Shunt motor starter;116
13.4;Types of d.c. motor;117
13.5;Speed control of d.c. motors;122
13.6;Ward-Leonard system;124
13.7;Maintenance of d.c. motors;125
14;CHAPTER NINE. Safe Electrical Equipment for Hazardous Areas;127
14.1;Electrical equipment and flammable atmospheres;127
14.2;Safe electrical equipment;128
14.3;Flameproof (Ex d) equipment;130
14.4;Increased safety (Ex e) equipment;131
14.5;Pressurised (Ex p) equipment;131
14.6;Non-incendive (Ex n or N) equipment;132
14.7;Other methods of protection;132
14.8;Intrinsic safety (Ex i);132
14.9;Protection related to types of rotating machinery;133
14.10;Tanker installations;135
14.11;Installations ashore;136
14.12;Reference;136
15;CHAPTER TEN. Shaft-driven Generators;137
15.1;General arrangements;137
15.2;Speed variation;139
15.3;Static frequency converter for a shaft generator;140
15.4;High voltage system for a dredger;142
15.5;References;142
16;CHAPTER ELEVEN. Electric Propulsion;144
16.1;D.c. propulsion motors;145
16.2;D.c. constant current system;146
16.3;D.c. motor supplied from a.c. generators;147
16.4;A.c. propulsion motors;148
16.5;Turbo-electric propulsion;149
16.6;A.c. one-speed drive with C.P. propeller;150
16.7;A.c. induction motor drive with C.P. propellers;151
16.8;Fixed-speed a.c. generators with variable-speed synchronous motors;151
16.9;Cycloconverter;151
16.10;References;153
17;CHAPTER TWELVE. Miscellaneous Items;155
17.1;Fuses;155
17.2;Incandescent lamps;156
17.3;Fluorescent lamps;157
17.4;Switch start circuit;157
17.5;Shore electrical supply;158
17.6;Moving-coil meters;159
17.7;Moving-iron meters;160
17.8;Electric shock;160
17.9;Burns;161
17.10;Conditions which increase danger to personnel;161
17.11;Shock risk with portable a.c. appliances;162
18;Index;164