A Novel Control Strategy for the Frequency and Voltage Regulation of Distribution Grids Using Electric Vehicle Batteries

Mohammadshayan Latifi, Reza Sabzehgar, Poria Fajri and Mohammad Rasouli
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Mohammadshayan Latifi: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
Reza Sabzehgar: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
Poria Fajri: Department of Electrical and Biomedical Engineering, University of Nevada Reno, Reno, NV 89557, USA
Mohammad Rasouli: Department of Electrical and Computer Engineering, Penn State Behrend, Erie, PA 16563, USA

Energies, 2021, vol. 14, issue 5, 1-16

Abstract: In this study, a double-loop control strategy is proposed for power grid frequency and voltage regulation using plug-in electric vehicles (PEVs) connected to the grid through a three-level capacitor clamped inverter. The frequency and voltage regulation problem is first formulated using vector space analysis and phasor diagrams to find the boundaries and constraints in terms of the system parameters. The derived formulas are then utilized to design a double-loop controller using an exclusive phase detector control loop and a novel pulse width modulation (PWM) scheme to effectively regulate the frequency and voltage of the grid. The effectiveness and feasibility of the proposed control strategy are evaluated through simulation and experimental studies. This approach can benefit both the customers and the grid operator, as it facilitates utilizing the batteries of the connected PEVs to supply a portion or all of the active and reactive power demand, hence regulating the frequency and voltage of the grid. The extent to which active and reactive power can be supplied depends on the number of PEVs connected to the local grid.

Keywords: power management; power grid voltage regulation; frequency control of power grid; active and reactive power management; ancillary services; transportation electrification; plug-in electric vehicles (PEVs); vehicle-to-grid (V2G); grid-to-vehicle (G2V) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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