Abstract
The paper discusses the problems of electrical cables metric (geometric) parameters measurement. The methods of measuring the eccentricity of the electric cables (contact, ultrasonic, X-ray, and inductive-optical) are considered. The advantages and disadvantages of using these methods of technological control of cable products are shown. A study of the inductive-optical conversion method for measuring the eccentricity of a singlecore cable, including the circuit for switching on the windings of the inductive converter, is proposed; the design of this converter is presented. The proposed solution makes it possible to achieve good conversion linearity when the conductor is displaced in the control zone. Wherein there is no need to use a system of mechanical drives for centering the magnetic transducer. In addition, the proposed scheme enables to combine the magnetic and optical transducer constructively in the same plane, which ensures to reduce its longitudinal dimensions relative to known analogues. The device prototype for eccentricity control is created based on the proposed transducer; its technical characteristics are confirmed. Direction of further research is determined as part of the development of the industrial design of the device.
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