Contactless system of excitation current measurement in the windings with high inductance

Chubraeva, Lidia; Evseev, Evgeniy; Timofeev, S.

doi:10.1088/1757-899x/313/1/012007

Cited by 2 publications

(2 citation statements)

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“…However, this solution cannot be applied to an industrial SG where any device placed in its rotor should withstand severe centrifugal forces and vibrations. A recently proposed solution [30] is putting a Hall Effect sensor in the enclosure of the exciter close to the shaft that mechanically connects the exciter and the main SG. This proposal is oriented at measuring field currents in a superconducting brushless SG.…”

Section: Introductionmentioning

confidence: 99%

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AC/DC Current Sensor for Rotating Applications

Pardo-Vicente

Platero

Sánchez-Fernández

et al. 2020

Sensors

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There are several techniques for current measurement. Most of them are capable of measuring both alternating and direct current (AC/DC) components. However, they have severe drawbacks for rotating applications (large size, sensitivity to external fields, and low signal amplitude). In addition to these weaknesses, measured signals should be transmitted to a stationary part. In order to contribute solving these difficulties, this paper presents a sensor that can measure AC/DC simultaneously based on the electromagnetic coupling of two coils. To this aim, the measured waveform is analysed. In this paper, the design of such a sensor is presented. This design is validated through computer simulations and a prototype is built. The performance of this sensor prototype is analysed through experimental tests.

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Section: Introductionmentioning

confidence: 99%

“…Although the idea behind this design is similar to that presented in [30], the proposed design is more robust. Power stations are dirty environments.…”

Section: Introductionmentioning

confidence: 99%