Manufacturing challenges of optical current and voltage sensors for utility applications

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Description

Measurement of voltages and currents in power transmission and distribution systems are critical to the electric utility industry for both revenue metering and reliability. Nonconventional instrument transformers based on intensity modulation of optical signals have been reported in the literature for more than 20 years. Recently described devices using passive bulk optical sensor elements include the Electro-Optic Voltage Transducer (EOVT) and Magneto-Optic Current Transducer (MOCT). These technologies offer substantial advantages over conventional instrument transformers in accuracy, optical isolation bandwidth, environmental compatibility, weight and size. This paper describes design and manufacturing issues associated with the EOVT and the Optical Metering Unit ... continued below

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18 p.

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Yakymyshyn, C.P.; Brubaker, M.A.; Johnston, P.M. & Reinbold, C. December 1, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times . More information about this article can be viewed below.

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  • Yakymyshyn, C.P. Montana State Univ., Bozeman, MT (United States). Dept. of Electrical and Computer Engineering
  • Brubaker, M.A. Los Alamos National Lab., NM (United States)
  • Johnston, P.M. Johnston (Paul M.), Raleigh, NC (United States)
  • Reinbold, C. ABB High Voltage Switchgear, Greensburg, PA (United States)

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Description

Measurement of voltages and currents in power transmission and distribution systems are critical to the electric utility industry for both revenue metering and reliability. Nonconventional instrument transformers based on intensity modulation of optical signals have been reported in the literature for more than 20 years. Recently described devices using passive bulk optical sensor elements include the Electro-Optic Voltage Transducer (EOVT) and Magneto-Optic Current Transducer (MOCT). These technologies offer substantial advantages over conventional instrument transformers in accuracy, optical isolation bandwidth, environmental compatibility, weight and size. This paper describes design and manufacturing issues associated with the EOVT and the Optical Metering Unit (OMU) recently introduced by ABB with field installation results presented for prototype units in the 345 kV and 420 kV voltage classes. The OMU incorporates an EOVT and MOCT to monitor the voltage and current on power transmission lines using a single free-standing device.

Physical Description

18 p.

Notes

OSTI as DE98001547

Source

  • SPIE`s intelligent systems and advanced manufacturing symposium: microrobotics and microsystem fabrication conference, Pittsburgh, PA (United States), 14-17 Oct 1997

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  • Other: DE98001547
  • Report No.: LA-UR--97-3956
  • Report No.: CONF-971086--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 563182
  • Archival Resource Key: ark:/67531/metadc696163

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • December 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • May 20, 2016, 2:56 p.m.

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Yakymyshyn, C.P.; Brubaker, M.A.; Johnston, P.M. & Reinbold, C. Manufacturing challenges of optical current and voltage sensors for utility applications, article, December 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc696163/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.