Autonomous Frequency Regulation Using Battery Energy Storage Systems of EV Charging Station

Increasing penetration of replenished renewable energy sources (RES) to the power grid is inevitable and brings stability challenges to traditional electric power systems (EPS). One of them is the frequency fluctuation due to the high participation of RES in the EPS. To reduce the grid frequency dev...

Full description

Saved in:
Bibliographic Details
Published in:IEEE access 2023, Vol.11, p.97689-97698
Main Authors: Yoon, Changwoo, Nguyen, Ngoc-Duc, Kang, Yong Cheol, Lee, Young-Il
Format: Article
Language:English
Subjects:
Automatic generation control
Batteries
battery energy storage system
Controllers
Electric power grids
Electric power systems
Electric vehicle charging
Electric vehicle charging stations
Electricity distribution
Energy storage
Fluctuations
Frequency control
Frequency deviation
Frequency regulation
grid service
Maximum power
Performance evaluation
Power grids
Power system stability
Proportional integral
random power load
renewable energy source
Renewable energy sources
Stability analysis
Storage systems
Synchronous generators
Vehicle-to-grid
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Increasing penetration of replenished renewable energy sources (RES) to the power grid is inevitable and brings stability challenges to traditional electric power systems (EPS). One of them is the frequency fluctuation due to the high participation of RES in the EPS. To reduce the grid frequency deviation, in this paper, an autonomous frequency regulation (FR) controller is proposed using the power of battery energy storage systems (BESS) in electric vehicle charging stations (EVCS) while providing the charging service. A proportional-integral (PI) controller scheme with a contribution factor is used in the proposed FR controller. The contribution factor determines the maximum power from BESS used for the proposed FR. The required power for the FR is then used to generate the setpoint for the inner-loop current controller of the grid-connected inverter (GCI). An impedance-based stability analysis considering the PI current controller and PLL gains for the LCL-filtered GCI is conducted. For the performance evaluation, the proposed FR controller is demonstrated in the IEEE 14-bus power system in PSCAD simulation.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2023.3312564