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Reference Number NIA_SPT_1503
Title Protection Settings to Cater for the Evolving Transmission Network
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
SP Energy Networks
Award Type Network Innovation Allowance
Funding Source ENA Smarter Networks
Start Date 01 March 2015
End Date 01 July 2015
Duration 4 months
Total Grant Value £25,711
Industrial Sectors Power
Region Scotland
Programme Network Innovation Allowance
 
Investigators Principal Investigator Project Contact , SP Energy Networks (100.000%)
Web Site http://www.smarternetworks.org/project/NIA_SPT_1503
Objectives The project objectives are as follows: A comprehensive review of the existing techniques and tools identifying associated advantages, limitations and costs. Selection of one (or several) tools that are most suitable for the intended application, along with the development of a process for protection settings validation and performance verification using the selected tool(s). Assessment of the suitability and feasibility of the proposed process and the tool through actual validation exercise using network and protection setting data. Identify a route forward to adopt the method and tool(s) for business as usual activity The project will be considered successful if the aforementioned project objectives are realised
Abstract The existing transmission system in the UK (and in Scotland in particular) is experiencing significant changes, with decommissioning of large fossil-fuelled synchronous generation, introduction of large amounts of wind energy, distributed generation and possibly energy storage, HVDC infeeds and embedded links and FACTS devices. These developments could mean that assumptions regarding transmission (and in some cases distribution) protection system performance may no longer be valid. The anticipated reductions in system inertia and strength, as a result of the aforementioned developments, may lead to significant reductions and variations in fault levels and immediate post-fault system behaviour. Furthermore, converter-interfaced sources may not begin to supply fault current, and/or provide an inertial response, until after a delay during which the controller ascertains the desired response, and this could be tens of milliseconds or more. Consequently, there is a risk that traditionally-applied protection schemes and setting policies, based on the assumption of stable fault levels, well-understood and readily-simulated system behaviour, may no longer be valid. While the impacts of changes on transmission and distribution system behaviour have been extensively studied and modelled, there has not been a great deal of activity in terms of detailed analysis of protection system performance under future scenarios. The aforementioned changes in the GB power system could potentially lead to protection mal-operation and, in worst cases, large area blackout events. To maintain a high level of reliability and security of the protection system, actions must been taken to assess the adequacy and suitability of existing protection methods, their settings and the associated protection setting polices in existing and future networks. A new process, assisted by a protection setting and performance validation tool, is required to allow protection settings and performance to be fully checked under a wide range of scenarios against a radically-changing backdrop of system behaviour in the next 5-10 years and beyond. The research methodology in this project will be based on two key components: Comprehensive review of research activities, developed methods and commercially-available products that may be available for protection setting validation under a range of primary system conditions. Illustrative case studies to demonstrate the potential uses of the proposed settings verification processNote : Project Documents may be available via the ENA Smarter Networks Portal using the Website link above
Publications (none)
Final Report (none)
Added to Database 29/10/18