FIELD: measuring equipment.
SUBSTANCE: invention relates to the magnetic metering and is destined for the electrical devices weber-ampere characteristics measuring. The electrical devices weber-ampere characteristics measuring device comprises the supply source, the magnetizing winding, which is spread on the test part, the instrument shunt. The scaler, the amplifier, the differentiating element, the null element, the analog-digital and digital-analog converters are linked to the supply source outlet. According to the invention, four amplitude demodulators, the multiple-bandpass filter, the first and the second access and storage stations, the commutator, the personal computer are complementarily added. At the root of the developed electrical devices weber-ampere characteristics measuring device lies the describing function method for the electrical device weber-ampere characteristic performance.
EFFECT: measurements accuracy increase.
2 dwg
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