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Reference Number NIA_ENWL004
Title Combined On-line Transformer Monitoring
Status Completed
Energy Categories OTHER POWER and STORAGE TECHNOLOGIES(Electricity transmission and distribution) 100%;
Research Types Applied Research and Development 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Project Contact
No email address given
Electricity North West Limited
Award Type Network Innovation Allowance
Funding Source ENA Smarter Networks
Start Date 01 September 2014
End Date 01 September 2017
Duration 36 months
Total Grant Value £200,000
Industrial Sectors Power
Region North West
Programme Network Innovation Allowance
Investigators Principal Investigator Project Contact , Electricity North West Limited (100.000%)
Web Site
Objectives This project is split into two distinct phases: Phase 1 is the development of a dashboard/ decision tool to be used by Electricity North West This phase to be completed by April 2016. Phase 2 is the Data validation of existing research into life extension by oil regeneration This phase to be completed by Sept 2017 Completion of dashboard and decision tool utilising the online results Validate and calibrate the actual end of life oil regeneration results against research
Abstract As part of operating an efficient network Distribution Network Operators need to maximise the use of existing assets. This forms a key part of our Innovation strategy for RIIO ED1. Electricity North West has proposed that approximately 50% of the 132kV and 33kV transformers that traditionally would have been due for renewal in the RIIO-ED1 period will now be refurbished and the oil regenerated to improve the Health Indices. These targeted transformers will be operating beyond their original design life and under a first Tier funded project Electricity North West installed online Dissolved Gas Analysis and Partial Discharge condition monitoring on six transformers to monitor their condition and assess their actual condition compared to academic research. This approach also aims to extend the life span of the transformers at or near their original design life thus deferring their replacement and/or also avoiding de-rating based on age. There is now a need for data visualisation of the results as well as further research into validating and calibrating the data from the installed on-line condition monitoring research into exploring the optimum life of a transformer. The project will use the online DGA and PD monitoring equipment already installed under First Tier funding to further monitor the condition of the six 132kV transformers. This data will allow further academic research to develop an understanding of the effects of life extension on failure modes and maintenance requirements of assets. The actual data will calibrate the theoretical research data to prove that oil regeneration life extension is a safe, reliable and cost effective asset management technique. The combination of these techniques would represent a holistic interpretation of transformer condition in near real-time and investigate the optimum life of a transformer which would be able to be utilised in future asset management strategies.Note : Project Documents may be available via the ENA Smarter Networks Portal using the Website link above
Publications (none)
Final Report (none)
Added to Database 09/08/18