A Multiple Period Problem in Distributed Energy Management Systems Considering CO<sub>2</sub> Emissions

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  • CO<sub>2</sub>排出量を考慮した分散EMSの多期間問題への拡張
  • C02排出量を考慮した分散EMSの多期間問題への拡張
  • C02 ハイシュツリョウ オ コウリョ シタ ブンサン EMS ノ タキカン モンダイ エ ノ カクチョウ
  • A Multiple Period Problem in Distributed Energy Management Systems Considering CO2 Emissions

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Consider a special district (group) which is composed of multiple companies (agents), and where each agent responds to an energy demand and has a CO2 emission allowance imposed. A distributed energy management system (DEMS) optimizes energy consumption of a group through energy trading in the group. In this paper, we extended the energy distribution decision and optimal planning problem in DEMSs from a single period problem to a multiple periods one. The extension enabled us to consider more realistic constraints such as demand patterns, the start-up cost, and minimum running/outage times of equipment. At first, we extended the market-oriented programming (MOP) method for deciding energy distribution to the multiple periods problem. The bidding strategy of each agent is formulated by a 0-1 mixed non-linear programming problem. Secondly, we proposed decomposing the problem into a set of single period problems in order to solve it faster. In order to decompose the problem, we proposed a CO2 emission allowance distribution method, called an EP method. We confirmed that the proposed method was able to produce solutions whose group costs were close to lower-bound group costs by computational experiments. In addition, we verified that reduction in computational time was achieved without losing the quality of solutions by using the EP method.

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