Provision of Two-area Automatic Generation Control by Demand-side Electric Vehicle Battery Swapping Stations

  • Xie, Pingping (State Key Laboratory of Advanced Electromagnetic Engineering and Technology (Huazhong University of Science and Technology)) ;
  • Shi, Dongyuan (State Key Laboratory of Advanced Electromagnetic Engineering and Technology (Huazhong University of Science and Technology)) ;
  • Li, Yinhong (State Key Laboratory of Advanced Electromagnetic Engineering and Technology (Huazhong University of Science and Technology))
  • Received : 2014.08.31
  • Accepted : 2015.10.21
  • Published : 2016.03.01


Application of demand-side resources to automatic generation control (AGC) has a great significance for improving the dynamic control performance of power system frequency regulation. This paper investigates the possibility of providing regulation services by demand-side energy storage in electric vehicle battery swapping stations (BSS). An interaction framework, namely station-to-grid (S2G), is presented to integrate BSS energy storage into power grid for giving benefits to frequency regulation. The BSS can be regarded as a lumped battery energy storage station through S2G framework. A supplementary AGC method using demand-side BSS energy storage is developed considering the vehicle user demand of battery swapping. The effects to the AGC performance are evaluated through simulations by using a two-area interconnected power grid model with step and random load disturbance. The results show that the demand-side BSS can significantly suppress the frequency deviation and tie-line power fluctuations.


Automatic generation control;Battery swapping station;Demand-side response;Electric vehicle;Energy storage


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