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Towards the development of a downhole optical voltage sensor for monitoring electrical submersible pumps

Fusiek, Grzegorz and Niewczas, Pawel and Judd, Martin (2012) Towards the development of a downhole optical voltage sensor for monitoring electrical submersible pumps. Sensors and Actuators A: Physical, 184. pp. 173-181. ISSN 0924-4247

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Abstract

In this paper a novel design of a downhole, three-phase optical voltage sensor for monitoring electrical submersible pumps (ESPs) is presented. In the proposed approach, voltage applied across a piezoelectric transducer is converted to strain that is measured using a fiber Bragg grating sensor. A novel design introduces strain amplification at the grating location which enhances the measurement resolution. Finite element electrostatic modeling software is used to evaluate the electric field distribution around the sensor components, and improvements are incorporated at the design stage to minimize the possibility of electrical breakdown in the prototype device. The operation and performance of a 3-phase device is evaluated by means of tests at voltages up to 10 kV. Results show that the new sensors exhibit measurement accuracies of better than 0.5% full scale and thus, with further development and ruggedization, will be suitable for the ESP monitoring application.

Item type: Article
ID code: 38373
Keywords: optical voltage sensor , submersible pumps, Fiber Bragg grating sensors, piezoelectric transducers, voltage measurement, electrical submersible pumps, Electrical engineering. Electronics Nuclear engineering, Instrumentation, Surfaces, Coatings and Films, Metals and Alloys, Electronic, Optical and Magnetic Materials, Electrical and Electronic Engineering, Condensed Matter Physics
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 12 Mar 2012 10:11
    Last modified: 23 May 2014 05:10
    URI: http://strathprints.strath.ac.uk/id/eprint/38373

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