Objectives and research topics
Project main objectives
- Assess the values of EV services in DK, UK and Japan, by using real EV driving data.
- Disseminate V2G applications and best practices in Europe and in Japan.
- Establish tight collaboration with the research area of a large car manufacturer.
- Vehicle manufacturer (such as Nissan) will use the project outcome to improve future vehicle designs in order to make them more “grid proactive”.
- Build up on the experience on Bornholm test case and contribute to enrich it.
- Derive guidelines for coordinating system wide services provided locally: Distribution System Operator (DSO) vs Transmission System Operator (TSO).
- Test whether EVs can help supporting Bornholm power system (balancing mainly).
Research topics and questions
The following research questions support the techno-economical investigations
1. DSO vs TSO coordination and grid modeling
- Can a large set of EVs contribute to balance an islanded power system without inducing local grid issues?
- What specific mechanisms will allow EVs to include local constrains while providing system (island)-wide services: that means DSO/TSO coordination?
- What are the specific synergies with wind integration and can EVs increase the amount of renewables supported in an “islanded” scenario?
- Will Bornholm power system safely and securely supply a 100% EV penetration scenario and which guidelines could be provided to the local DSO (Bornholms Energi & Forsyning) in order to achieve step by step a 100% scenario?
2. EV aggregating functions
- Contract phase: for how long, how large, and how fast the aggregated power of EV fleet should be ready on a daily, weekly or monthly basis when contracting with the system operator?
- Real time operation phase: how to ensure the control signal given by the system operator will be strictly followed?
- How much do a specific driving pattern and the energy capacity of the EV affect the control method when providing the ancillary services?
3. Services economic and technical analysis
- How much the degradation of the battery, while providing system services, affects the service profitability?
- What is the trade-off between using the fleet for ancillary service (AS) profit optimization and using the fleet for renewable/operational support?
- What is the saturation level of the ancillary service market in term of EV population?