Operation Planning of Reserve in Microgrid Considering Market Participation and Energy Storage System

  • Lee, Si Young (Dept. of Electrical and Computer Engineering, Seoul National University) ;
  • Jin, Young Gyu (Dept. of Electrical and Computer Engineering, Seoul National University) ;
  • Kim, Sun Kyo (KEPCO Economy and Management Research Institute) ;
  • Yoon, Yong Tae (Dept. of Electrical and Computer Engineering, Seoul National University)
  • Received : 2013.11.25
  • Accepted : 2014.03.07
  • Published : 2014.05.01


Innumerable microgrids would be operated independently by individual operators in a future smart grid. This kind of decentralized power system requires entirely different operation scheme in the actual power system and electricity market operation. Especially, frequency regulation is very important for successive energy trade in this multi-microgrid circumstance. This paper presents an optimal energy and reserve market participation strategy and operation strategy of energy storage system (ESS) by a microgrid operator (MGO). For definite evaluation of the proposed strategy, we postulate that the MGO should participate in the Power Exchange for Frequency Control (PXFC) market, which was devised by Maria Ilic and her coworkers and is suitable to the decentralized operation circumstances. In particular, optimal reserve capacity of the frequency control market and optimal market participation ratio of ESS between frequency control market and energy market are derived theoretically and evaluated by simulations utilizing Nordic Pool Elspot price data.


Ancillary service market;Decentralized operation;Electricity market deregulation;Energy storage system;Multi-microgrid operation


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