The Absolute Measurement of Inductance (Classic Reprint) - Softcover

Inhaltsangabe

Unlock precise inductance with a simple two-quantity method you can trust.

This work describes a practical approach to measuring inductance in absolute terms, using only the coil’s resistance and the frequency of an alternating current. It emphasizes clarity, repeatability, and the potential for high accuracy when harmonics are carefully handled.

The text outlines a straightforward setup where a noninductive resistor is placed in series with the coil, and a stable alternating current source provides a nearly sine wave. By balancing the voltages and precisely determining frequency, you can determine inductance with a minimal set of measured quantities. The authors discuss how to monitor and control speed, voltage, and waveform, and describe how to deduce corrections for any non-ideal waveforms.

• Clear, practical steps for setting up the measurement circuit and selecting components
• Techniques for determining the current’s waveform and the system’s frequency with high accuracy
• Guidance on identifying, analyzing, and compensating for harmonics to improve results
• Notes on potential error sources and how to minimize their impact during measurements

Ideal for readers interested in metrology, precision electronics, and the history of inductance measurement.

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