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| Content Provider | IET Digital Library |
|---|---|
| Author | Gorostiza, Francisco Sanchez Longatt, Francisco Gonzalez |
| Abstract | The increased penetration of distributed energy resources (DERs) installed in distribution networks via power electronic converters reduces the overall rotating inertia of the power system, causing faster frequency dynamics after a large disturbance. However, these DERs coupled with energy storage systems (ESSs) can be managed to provide valuable grid support functions such as fast frequency response (FFR) and assist the transmission system operator (TSO) in frequency control. In this study, single- and three-phase clusters of electric vehicles (EVs), acting as mobile-ESSs, are grouped together as virtual power plants (VPPs) to centralise the provision of FFR for the distribution system operator (DSO) whilst considering network unbalance. Furthermore, the parameters of the EV clusters within each VPP are optimised to minimise the inertia-weighed maximum frequency deviation following a disturbance whilst adhering to network security and power quality constraints. To this aim, a variant of the metaheuristic optimisation algorithm called improved harmony search is used for the optimisation process. Finally, the merits of the proposed methodology are shown with an illustrative example of an unbalanced three-phase transmission and distribution network modelled in DIgSILENT PowerFactory. The results show that clusters of EVs grouped as VPPs effectively improve frequency support via the TSO–DSO interaction. |
| Starting Page | 4908 |
| Ending Page | 4917 |
| Page Count | 10 |
| ISSN | 17518687 |
| Volume Number | 14 |
| e-ISSN | 17518695 |
| Issue Number | Issue 21, Nov (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/14/21 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1947 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2020-08-28 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Automobile Electronics Control of Electric Power System DER DIgSILENT PowerFactory Distributed Energy Resources Distribution Network Distribution System Operator Electric Vehicle Energy Storage Energy Storage System Fast Frequency Response FFR Frequency Control Frequency Dynamics Frequency Response Frequency Support Frequency-responsive EV Clusters Harmonics Improved Harmony Search Inertia-weighed Maximum Frequency Deviation Metaheuristic Optimisation Algorithm Mobile-ESS Network Security Network Unbalance Optimisation Optimisation Process Optimisation Technique Optimised TSO–DSO Interaction Power Electronic Converter Power Quality Constraint Power Supply Quality Power System Power System Control Power Transmission Control Rotating Inertia Search Problem Single-phase Clusters Three-phase Clusters Three-phase Transmission Transmission System Operator TSO–DSO Interaction Unbalanced Network Unbalanced Three-phase Transmission Valuable Grid Support Function Virtual Power Plant |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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