Medium term operation of the energy hub considering prices and load uncertainty Print

Abstract:
Using energy hub concept has been increased as a way of implementing multi-carrier energy systems in recent years. It still needs more study and examination in both modeling and operating concerns. In this regard, in this paper optimal operation of an energy hub in restructured power system is investigated. Operation includes decision making to procure large consumer energies. A model is proposed considering an energy hub with electrical and gas energy as inputs and electrical and heat energy as outputs. Electrical energy is procured in various ways including: buying from bilateral contract, buying from pool market and generating by a Combined Heat and Power (CHP) unit. Heat demand is also procured by a CHP and furnace. Buying from pool market is faced with uncertainty. In addition, electrical loads have uncertainty, constantly. These uncertainties complicate the decision making process and cause unfavorable conditions. Conditional Value at Risk (CVaR) as a known risk index is used in order to decrease unfavorable states. Real data are utilized to simulate, as much as possible. Efficiency of proposed model is verified by various simulations.
Language:
Persian
Published:
Iranian Electric Industry Journal of Quality and Productivity, Volume:4 Issue: 2, 2016
Pages:
74 to 82
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