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Instrumentation and control.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor Corporativo: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Denver, CO :
American Water Works Association,
©2001.
|
| Edición: | 3rd ed. |
| Colección: | AWWA manual ;
M2. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Chapter 1 Introduction1
- The Water Utility System, 1
- How to Use This Manual, 3
- Reference, 4
- Chapter 2 Hydraulics and Electricity5
- Hydraulics, 5
- Electricity, 18
- References, 39
- Chapter 3 Motor Controls41
- Introduction, 41
- Motors, 41
- Variable Speed Motor Control, 49
- Variable Speed Motor Control Systems, 50
- Motor Control Logic, 52
- Chapter 4 Flowmeters67
- Meter Categories, 67
- Meter Coefficient of Discharge, 68
- Venturi Flowmeters, 69
- Modified Venturis, 74
- Orifice Plate Flowmeters, 74
- Magnetic Flowmeters, 76
- Turbine and Propeller Flowmeters, 80
- Sonic Flowmeters, 84
- Vortex Flowmeters, 86
- Averaging Pitot Flowmeters, 89
- Variable Area Flowmeters, 92
- Open Channel Flow, 94
- General Installation Precautions, 98
- Signal Output and Transport, 99
- References, 100
- Chapter 5 Pressure, Level, Temperature, and Other Process
- Measurements101
- Pressure, Level, and Temperature, 102
- Electric Power and Equipment Status, 110
- Process Analyzers, 112
- General Considerations, 119
- References, 119
- Chapter 6 Secondary Instrumentation121
- Introduction, 121
- Signal Standardization, 121
- Signal Power and Transmission, 122
- Transmitters, 124
- Controllers, 124
- Recording and Indicating Hardware, 126
- Function Modules, 128
- Converters, 129
- Chapter 7 Telemetry131
- Analog Telemetry, 133
- Tone Multiplexing, 137
- Amplitude Modulation Tone, 137
- Frequency Shift Keying Tone, 138
- Communication Media and Channels, 138
- Reference, 142
- Chapter 8 Final Control Elements143
- Valves, 144
- Valve Summary, 153
- Pumping Systems, 154
- Miscellaneous Final Control Elements, 157
- Chapter 9 Basics of Automatic Process Control161
- Feedforward Control, 162
- Feedback Control, 163
- Feedforward vs. Feedback Control, 164
- Manual vs. Automatic Control, 165
- Automatic Feedforward Control Methods, 166
- Automatic Feedback Control Methods, 168
- References, 178
- Chapter 10 Digital Control and Communication Systems179
- Digital Control Systems, 180
- Communication Systems, 188
- Applications and Site Planning, 194
- Technology Trends, 196
- References, 197
- Chapter 11 Instrument Diagrams199.