Using optical couplers to monitor the condition of electricity infrastructure
Using optical couplers to monitor the condition of electricity infrastructure
Increases in renewable and distributed generation will change the operational characteristics of our ageing power networks. To cope with these changes improved monitoring of the performance of network infrastructure is needed. Defects developing in electrical plant give rise to partial discharge (PD) activity. This paper describes an on-line PD monitoring system based on electro-optic modulators. This technique does not require a power supply at the site of the sensors and the optical transmission of signal data is a significant advantage in electrically noisy environments. Laboratory based experiments and field trials are described, which show that this approach is feasible for HV transformers and underground cable. Intelligent filtering techniques have been developed to improve the sensitivity of detection and identify PD signals without assuming any knowledge of their characteristics.
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Swingler, S G
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Hao, L
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Lewin, P L
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Swaffield, D J
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13 May 2008
Swingler, S G
4f13fbb2-7d2e-480a-8687-acea6a4ed735
Hao, L
e6006548-3fc1-4a7e-9df4-a4e9a9a05c45
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Swaffield, D J
31f6f52e-fb48-44f9-99d3-3cbd2539f1b9
Swingler, S G, Hao, L, Lewin, P L and Swaffield, D J
(2008)
Using optical couplers to monitor the condition of electricity infrastructure.
UKERC Sustainable Energy UK: Meeting the Science and Engineering Challenge, St Anne's College, Oxford, United Kingdom.
13 - 14 May 2008.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Increases in renewable and distributed generation will change the operational characteristics of our ageing power networks. To cope with these changes improved monitoring of the performance of network infrastructure is needed. Defects developing in electrical plant give rise to partial discharge (PD) activity. This paper describes an on-line PD monitoring system based on electro-optic modulators. This technique does not require a power supply at the site of the sensors and the optical transmission of signal data is a significant advantage in electrically noisy environments. Laboratory based experiments and field trials are described, which show that this approach is feasible for HV transformers and underground cable. Intelligent filtering techniques have been developed to improve the sensitivity of detection and identify PD signals without assuming any knowledge of their characteristics.
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Using_optical_couplers_to_monitor_v5.pdf
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Published date: 13 May 2008
Additional Information:
Event Dates: 13-14 May 2008
Venue - Dates:
UKERC Sustainable Energy UK: Meeting the Science and Engineering Challenge, St Anne's College, Oxford, United Kingdom, 2008-05-13 - 2008-05-14
Organisations:
Electronics & Computer Science, EEE
Identifiers
Local EPrints ID: 265707
URI: http://eprints.soton.ac.uk/id/eprint/265707
PURE UUID: 67668fed-5b9f-4db7-88dc-abb06c46c7ad
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Date deposited: 09 May 2008 13:27
Last modified: 15 Mar 2024 02:43
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Contributors
Author:
S G Swingler
Author:
L Hao
Author:
P L Lewin
Author:
D J Swaffield
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