Practical Variable Speed Drives and Power Electronics

Front Cover
Newnes, Jul 30, 2003 - Technology & Engineering - 286 pages
Typical practical applications of VSDs in process control and materials handling, such as those for pumping, ventilation, conveyers, compressors and hoists are covered in detail.

· Provides a fundamental understanding of the installation, operation and troubleshooting of Variable Speed Drives (VSDs)

· Includes practical coverage of key topics such as troubleshooting, control wiring, operating modes, braking types, automatic restart, harmonics, electrostatic discharge and EMC/EMI issues

· Essential reading for electrical engineers and those using VSDs for applications such as pumping, ventilation, conveyors and hoists in process control, materials handling and other industrial contexts
 

Contents

Radio technology
1
12 Fundamentals of radio operation
2
121 Components of a radio link
4
13 The radio spectrum and frequency allocation
6
132 Single and two frequency systems
7
14 Gain level attenuation and propagation
8
141 Gain and loss
9
142 Level
10
293 Duplexers and multicouplers
125
2101 Avoiding the use of waveguides?
126
212 Path loss
127
2123 Fade margin
128
214 Multipath propagation and diversity operating
129
215 Ducting and overshoot
134
2152 Overshoot
135
216 Duplication of equipment
136

143 Attenuation
12
145 Line of sight propagation path attenuation
16
146 Reflections
17
15 Criteria for selection of frequency bands
18
152 Very high frequency VHP
20
153 UHF
22
154 Frequency selection
24
155 Summary
27
16 Modulation and demodulation
28
162 Sidebands and bandwidth
29
163 Amplitude modulation AM
31
164 Frequency modulation FM
34
165 Phase modulation PM
37
167 Comparison of modulation schemes
39
17 Amplifier
40
110 Filters
42
1101 Filter characteristics
43
1102 Types of filters
45
111 Transmitters
50
1112 PM and FM transmitters
51
112 Receivers
52
1122 FM and PM receivers
53
113 Antennas
54
1133 Types of antennas
57
1134 Antenna installation
59
1135 Stacked arrays
60
114 Cabling
61
1141 Leaky coaxial cable
62
1153 Circulators and isolators
64
1154 Multicoupler and cavity filters
65
1155 Duplexer
67
1156 Splitters
69
1157 Receiver preamplifiers
70
1158 Typical configuration
71
1162 RF path loss calculations
74
1163 Transmitter powerreceiver sensitivity
75
1164 Signal to noise ratio and SINAD
76
1165 Fade margin
77
1166 Summary of calculations
78
117 Types and brands of radio equipment
79
1172 Brands
81
118 Data transmission over analog radio
82
1182 Transmission limitations
83
119 Regulatory licensing requirements for radio frequencies
85
1202 Standby transmitters
87
1212 Desensitization and blocking
93
1214 Selective calling
94
122 Additional features and facilities for analog radio
95
1221 Trunking radio
97
123 Digital modulation radio
98
124 Digital radio specifically for telemetry applications
100
Line of sight microwave systems
104
22 Background
105
224 Fiber optic cable
106
24 Pointtomultipoint
108
241 Theory of operation
110
25 A typical radio terminal
111
252 The receiver
112
27 Standards
114
282 Digital multiplex
115
283 Voice compression
118
284 Synchronous digital hierarchy
119
29 Antennas and multicouplers
121
291 The use of reflectors
123
292 The use of passive repeaters
124
2162 Hot standby
137
2164 Diversity
138
217 Duplication of routes
139
Satellite systems
140
32 Classes of satellite services and their relevant organizations
141
322 Regional systems
144
323 Domestic
145
325 Global positioning system
147
331 The satellite bands
149
34 Satellite systems and equipment
151
342 Multiplexing
153
343 Modulation techniques
157
351 Uplinks
158
353 Downlinks
159
36 Antennas
160
38 Footprint
161
Reliability and availability
163
42 Reliability
164
422 Manufacturing
165
423 Operation
166
432 Landlines
169
433 Satellites
170
44 SCADA system reliability or failure rates
171
47 Reliability calculations
172
472 Mean time between failure
173
474 Comments on calculations
174
Infrastructure requirements for master sites and RTUs
175
52 Site works and access
176
54 Lightning protection
178
541 Levels of lightning protection
181
542 Separating equipment and lightning
182
544 Dissipation of high voltages or currents
183
55 Equipment shelters and temperature management
184
552 Other aspects of building design
185
56 Power supplies
186
562 Mains power supplies
188
564 Mains power station
189
565 Solar power supplies
190
566 Wind generators
191
567 Diesel generators
192
568 Filtering dc supplies
194
57 Distribution dc
195
58 Monitoring site alarms
197
59 Voice and data cabling distribution systems
199
510 Equipment racks
202
511 Interference in microwave and radio systems
203
5113 Radar interference
204
Integrating telemetry systems into existing radio systems
205
62 Appropriate radio systems
206
63 Traffic loading
207
64 Implementing a system
209
65 Trunking radio
211
Miscellaneous telemetry systems
212
721 Electromechanical cable
213
722 Acoustic modem
214
723 Inductive modem
216
73 Physiological telemetry application
218
74 Tag identification system using modulated UHF backscatter
220
Practical system examples
224
82 Remote oceanographic sensor system The problem
226
Glossary of terms
231
Path loss calculation formulae
254
Index
272
Bibliography
284
Copyright

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About the author (2003)

Malcom Barnes is a professional engineer with over thirty-five years' experience specialising in automation, switchgear and process control equipment. He is a director of Automated Control Systems based in Perth, Western Australia. Malcom has presented numerous courses in automation and variable speed drives throughout the world.