NDLI: Frequency droop control with scheduled charging of electric vehicles

Content Provider	IET Digital Library
Author	Liu, Hui Yang, Yude Qi, Junjian Li, Jinghua Wei, Hua Li, Peijie
Abstract	Vehicle-to-grid (V2G) control of electric vehicles (EVs) has the potential to provide frequency regulation for power system operation. The authors study the frequency droop control with EVs’ participation. The challenge is to simultaneously suppress frequency fluctuation and satisfy transportation usages of EV owners. A V2G control consisting of frequency droop control and scheduled charging is developed to overcome this challenge. Frequency droop control can suppress frequency fluctuation by responding to frequency deviation signal, while scheduled charging can achieve the charging demands of EV owners. Although uncertain regulation may result in deviation of the battery energy levels from the expected, the scheduled charging made based on the departure time, the real-time, the real-time battery energy levels, and the expected battery energy levels can compensate this change in real time. The proposed V2G control can ensure different types of charging demands such as holding battery energy levels and elevating battery energy levels, unlike existing methods in which different V2G control strategies have to be developed. Simulations on a two-area interconnected power grid using real power grid data in China validate the effectiveness of the proposed V2G control in suppressing frequency fluctuation and achieving the charging demands of EV owners.
Starting Page	649
Ending Page	656
Page Count	8
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 3, Feb (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.0554
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-02-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Battery Powered Vehicle Chinese Power Grid Data Control of Electric Power System Departure Time Electric Vehicle EV Charging Expected Battery Energy Levels Frequency Control Frequency Deviation Signal Frequency Droop Control Frequency Fluctuation Suppression Frequency Regulation Power Grid Power System Economics Power System Interconnection Power System Managemen Power System Operation Real-time Battery Energy Levels Scheduled Charging Secondary Cell Transportation Transportation Usages Two-area Interconnected Power Grid Uncertain Regulation Uncertain System V2G Control Vehicle-to-grid Control
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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