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Reference Number NIA2_NGESO006
Title Resilient Electric Vehicle Charging: “REV”
Status Completed
Energy Categories ENERGY EFFICIENCY(Transport) 25%;
OTHER POWER and STORAGE TECHNOLOGIES(Electricity transmission and distribution) 35%;
OTHER CROSS-CUTTING TECHNOLOGIES or RESEARCH(Energy system analysis) 40%;
Research Types Applied Research and Development 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 100%
UKERC Cross Cutting Characterisation Systems Analysis related to energy R&D (Other Systems Analysis) 100%
Principal Investigator Project Contact
No email address given
National Grid ESO
Award Type Network Innovation Allowance
Funding Source Ofgem
Start Date 01 July 2021
End Date 31 December 2022
Duration ENA months
Total Grant Value £350,000
Industrial Sectors Power
Region London
Programme Network Innovation Allowance
 
Investigators Principal Investigator Project Contact , National Grid ESO (100.000%)
  Industrial Collaborator Project Contact , National Grid plc (0.000%)
Web Site https://smarter.energynetworks.org/projects/NIA2_NGESO006
Objectives This project will look to undertake the following scope of work: WP1: Cause (How could EV charging make the grid less stable?)Identify the mechanisms which may impact short term grid stability and recovery from incidents.Failure Modes Effect Analysis to identify key items to investigate more.Define related test cases for EV chargers to quantify relevant performance.WP2: Effect (How big could the impact be on the grid as EV adoption increases?)Consider from LV (Low Voltage) circuit level all the way to national inertia.Model the impact on UK wide grid stability. Power FactoryModel the impact at distribution/LV feeder level.Demonstrate impact of a range of potential incidents.Identify incidents with the significant effect on grid stability.Review limitations of grid and EV charger modellingRisk AssessmentIn line with the ENAs ENIP document, the risk rating is scored Low.TRL Steps = 1 (1 TRL step)Cost = 1 (£350k)Suppliers = 1 (1 supplier)Data Assumptions = 3 The project will analyse the impact of EV charging on grid short term frequency and voltage stability, and cascade fault prevention and recovery.An individual charger has a small impact on the grid. So, the analysis will therefore focus on categories of failures which could cause a correlated change by multiple chargers at the same time and/or local area.Brainstorming sessions with multiple stakeholders will be employed to identify the widest possible range of risks.EV charger response to power and control communication faults will be investigated by desk-based research and sample measurement.Identified risks will analysed in via desk research. From this a prioritised list of risks, in the form of an FMEA (Failure Mode Effect Analysis), will be produced for further investigation.Small scale grid simulation studies will be used to address uncertainties in the desk-based analysis. The final outputs will be: A research report on potential causes of instabilityA research report on the effects of instability (NIA Project Completion Report) 
Abstract Project Resilient Electric Vehicle Charging (REV) will analyse the impact of Electric Vehicle (EV) charging on grid short term (1 cycle to 10 seconds) frequency and voltage stability, and cascade fault prevention and recovery.An individual charger has a relatively small impact on the grid. So, the analysis will therefore focus on categories of failures which could cause a correlated change by multiple chargers at the same time and/or local area.Project outputs will be a failure modes effects analysis, raising awareness of the risks and suggestions for grid code updates mitigating key risks.
Publications (none)
Final Report (none)
Added to Database 19/10/22