• Sensors and Transducers
Voltage Sensors.Current Sensors.
• Measuring High Voltages and Currents
Measuring High Voltages. Measuring High Currents.
• Shielding Against Interferences
Shielding Current Transducers. Interference and Shielding.
• Measuring Power
Measuring Principles. Components of Power. Special Applications.
• Measuring Energy
Measuring Principles. Integrating Techniques. Features of Energy Meters. Problems with Power and Energy Meters.
This authoritative new book focuses on recent developments in the instrumentation for sending voltages and currents. It covers new trends and challenges in the field, such as measurements of biocurrents, the increased speed of the components for data taking, testing of computers and integrated circuits where the measurement of rapid voltage and current variations on a very small geometrical scale is necessary. The first chapter concentrates on recent methods to sense voltages and currents, while the rest of the book investigates the applied side, covering for instance electrical power and energy measurements. The main purpose of this volume is to illustrate commonly employed techniques rather than track the scientific evolution and merits and therefore mainly covers patent literature aimed at industrial applications. It is an exciting addition, justifying the series' claim to cover state-of-the-art developments in both the applied and theoretical fields of sensors and actuators.
The measurement of voltages and currents is a common task in the field of electricity and electronics. From a technical point of view it is useful to identify schematically different steps of such a measurement. In a first step a voltage or a current is sensed, intermediate steps such as amplification, transmission and further treatment may follow to yield the result in the final step. Today in most cases microprocessors perform the final steps of such measurements. Analog-to digital converters digitise a voltage that is proportional to the value to be measured and a processor performs further computations and handles the storage and the display of the results. The prerequisite for such measurements are sensors or transducers that respond in a known way to the voltage or current to be measured. The emphasis of this book is put on recent developments of the instrumentation for sensing voltages and currents.
Aside from the general trend towards smaller, cheaper and more reliable instrum
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- © Elsevier Science 1999
- 1st June 1999
- Elsevier Science
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European Patent Office, r. 1813, Patentlaan 2, NL-2280 HV Rijswijk, The Netherlands
r. 6414, Rschorrhöfe, Europäisches Patentamt, Erhardtstrasse 27, D-80298 München, Germany
r. 1850, European Patent Office, Patentlaan 2, NL-2280 HV Rijswijk, The Netherlands
Delft University of Technology, The Netherlands