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Electricity Transmission
Project Details
Documents
Ideas for future projects?
Mar 2013
Electricity Transmission
Transformer Lifetime Modelling
Reference:
Status:
Live
Start Date:
Mar 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):
Gas Distribution Networks
Estimated Expenditure:
£367,000.00
Introduction:
Optimising modelling techniques to support capital replacement planning for transformers.
Objectives:
This project is aimed at optimising capital investment in replacement transformers. For long term replacement planning purposes transformers have been given asset lifetimes of 40 to 80 years based on experience and engineering judgement. Actual replacements are based on condition, using several assessment methods which have been successfully developed and applied. There is however a gap in the knowledge of transformer end-of -life modelling linking the probabilistic and deterministic approaches of the long and short term plans. This project has the objective of building on existing knowledge of ageing mechanisms to provide a model to bridge the gap and provide credible predictions of medium term (4-10 year ahead) requirements for transformer replacement volumes. The basis for the plan would be the existing policy of maintaining system reliability and unplanned transformer replacements at existing levels. The dependence of system reliability on plant reliability would be part of the study. Transformer replacements will cost between £10M and £30M per year for the foreseeable future, failure to plan effectively could have significant implications for regulatory review and system reliability.
Related Links
National Grid Innovation Page on Jul 18, 2013
http://www.nationalgrid.com/corporate/About+us/innovation
National Grid Innovation Funding Incentive and Annual Report(s) on Mar 15, 2013
http://www.nationalgrid.com/uk/Electricity/Info/IFI/