Minimization of load variance in power grids-investigation on optimal vehicle-to-grid scheduling

Kang Miao Tan, Vigna K. Ramachandaramurthy, Jia Ying Yong, Sanjeevikumar Padmanaban, Lucian Mihet-Popa, Frede Blaabjerg

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The introduction of electric vehicles into the transportation sector helps reduce global warming and carbon emissions. The interaction between electric vehicles and the power grid has spurred the emergence of a smart grid technology, denoted as vehicle-to grid-technology. Vehicle-to-grid technology manages the energy exchange between a large fleet of electric vehicles and the power grid to accomplish shared advantages for the vehicle owners and the power utility. This paper presents an optimal scheduling of vehicle-to-grid using the genetic algorithm to minimize the power grid load variance. This is achieved by allowing electric vehicles charging (grid-to-vehicle) whenever the actual power grid loading is lower than the target loading, while conducting electric vehicle discharging (vehicle-to-grid) whenever the actual power grid loading is higher than the target loading. The vehicle-to-grid optimization algorithm is implemented and tested in MATLAB software (R2013a, MathWorks, Natick, MA, USA). The performance of the optimization algorithm depends heavily on the setting of the target load, power grid load and capability of the grid-connected electric vehicles. Hence, the performance of the proposed algorithm under various target load and electric vehicles' state of charge selections were analysed. The effectiveness of the vehicle-to-grid scheduling to implement the appropriate peak load shaving and load levelling services for the grid load variance minimization is verified under various simulation investigations. This research proposal also recommends an appropriate setting for the power utility in terms of the selection of the target load based on the electric vehicle historical data.

Original languageEnglish
Article number1880
JournalEnergies
Volume10
Issue number11
DOIs
Publication statusPublished - Nov 2017

Fingerprint

Grid Scheduling
Electric vehicles
Scheduling
Electric Vehicle
Grid
Target
Global warming
Optimization Algorithm
MATLAB
Genetic algorithms
Global Warming
Smart Grid
Optimal Scheduling
Historical Data
Carbon

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

Cite this

Tan, Kang Miao ; Ramachandaramurthy, Vigna K. ; Yong, Jia Ying ; Padmanaban, Sanjeevikumar ; Mihet-Popa, Lucian ; Blaabjerg, Frede. / Minimization of load variance in power grids-investigation on optimal vehicle-to-grid scheduling. In: Energies. 2017 ; Vol. 10, No. 11.
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Minimization of load variance in power grids-investigation on optimal vehicle-to-grid scheduling. / Tan, Kang Miao; Ramachandaramurthy, Vigna K.; Yong, Jia Ying; Padmanaban, Sanjeevikumar; Mihet-Popa, Lucian; Blaabjerg, Frede.

In: Energies, Vol. 10, No. 11, 1880, 11.2017.

Research output: Contribution to journalArticle

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