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Electricity Transmission
Project Details
Documents
Ideas for future projects?
Apr 2013
Electricity Transmission
Control & Impact of Ferroresonance on Power Transformers
Reference:
Status:
Live
Start Date:
Apr 2013
End Date:
Unknown
Funding Licencee(s):
National Grid Electricity System Operator
Contact:
National Grid TO Innovation Team
Click here to send a question to the contact.
Funding Mechanism
Innovation Funding Incentive
Research Area:
None
Core Technology(ies):
Asset Management
Estimated Expenditure:
£1,300,000.00
Introduction:
Understanding transformer ferroresonance and other low frequency phenomena (GIC & switching) and its degrading mechanisms through power system & transformer modelling will enable better identification of the factors likely to lead to the failure of transformers. This will allow asset management to determine the likeliness of circuit configurations to cause transformer ferroresonance, the susceptibility of transformer family towards ferroresonance, to optimise circuit configuration and transformer fleet, and to ensure system reliability at a lower cost.
Objectives:
It is aimed to establish the material impact when power transformers are exposed to ferroresonance and how an improved understanding can affect the detection and asset management of the entire transformer fleet. The work packages concentrate on:
Characterisation of the degradation and failure mechanism in different designs of power transformers associated with ferroresonance. Establish what effect this has on the useful lifetime for a transformer
Identify the design features of transformers which are susceptible to ferroresonance
Establish a reliable ferroresonance detection technique, which can be incorporated into new transformer protection relays.
Related Links
NG Innovation Funding Incentive and Annual Report(s) on Apr 25, 2013
http://www.nationalgrid.com/uk/Electricity/Info/IFI/
NG Innovation on Apr 25, 2013
http://www.nationalgrid.com/corporate/About+us/innovation