Titlebook: High Impulse Voltage and Current Measurement Techniques; Fundamentals – Measu Klaus Schon Book 2013 Springer International Publishing Switz

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Characterisation and Generation of High Impulse Voltages and Currents,restors, insulators, power cables, transformers, etc. They are exposed to high transient voltages and currents due to internal and external overvoltages. Before commissioning, they are therefore tested for reliability with standard impulse voltages or currents. Depending on the apparatus and its pro

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Representation of Impulses in Time and Frequency Domain,esentation are equivalent to each other, but which representation will be preferred in an individual case depends on the measurement task and the desired goal. In principle, specifications for the correct measurement of a signal can be derived from the waveform in the time domain as well as from the

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Digital Recorder, Impulse Voltmeter and Impulse Calibrator,Other designations for such instruments are digital oscilloscope, transient recorder and digitiser, with which even certain constructional and functional principles are associated. Analogue impulse oscilloscopes, wherever necessary with storage screens or photographic recording, find only rarely app

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Measurement of High-Current Impulses,sed in combination with digital recorders enabling computer-aided processing of the recorded data. The theoretical background, different constructions of measuring resistors and coils, the measuring circuits, their advantageous and disadvantageous are described in detail. The requirements on approve

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Calibration of the Measuring Systems,alibration laboratories and traceability of measurements to national or international standards of measurement. A short introduction into the themes like IEC standards, accreditation and traceability is followed by presenting the main calibration methods and circuits for the approval of measuring sy

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Evaluation of Uncertainties of Measurement,approximate value which is designated as the estimate (of the value). The imperfection or, positively considered, the quality of a measurement is quantitatively expressed by a numerical value, i.e. the uncertainty (of measurement). The comparability of measurements done at different locations or at

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