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Vol. 211, Issue 4, April 2017, pp. 38-42




Phase Method of Invariant Measurement of Active-Inductive Measuring Two-Pole Parameters


National Polytechnical University of Armenia, Gyumri Branch 2 Mher Mkrtchyan, 3103, Gyumri, Armenia
Tel.: +374312-46832, fax: +374312-43528

E-mail: b_mamikonyan@seua.am


Received: 25 March 2017 /Accepted: 25 April 2017 /Published: 30 April 2017

Digital Sensors and Sensor Sysstems


Abstract: There has been given the solution of the technical problem of separate measurement of parameters of inductance coils and inductive primary converters on alternating current without application of potential-current signals. As a measuring circuit the scheme of voltage divider with active-inductive two-pole is used, and as an output signal there has been used the angle of phase shift between two output voltages of the measuring circuit. For forming the output signal temporal separation of measurement channel is used. The advantages of phase method are mostly due to capacity of using microcontrollers. In the technical solutions under consideration the microcontroller regulates the measuring process and develops the measurement results.


Keywords: Inductance coil, Inductance, Active resistance, Measurement two-pole, Phase method.


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