A Study of Demand Response Effect of Thermal Storage Air-Conditioning Systems in Consideration of Electricity Market Prices

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  • Omagari Yuko
    Division of Electrical, Electronic and Information Engineering, Osaka University
  • Sugihara Hideharu
    Division of Electrical, Electronic and Information Engineering, Osaka University
  • Tsuji Kiichiro
    Division of Electrical, Electronic and Information Engineering, Osaka University

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  • 電力市場価格を考慮した蓄熱式空調システムの需要反応効果に関する検討
  • デンリョク シジョウ カカク オ コウリョシタ チクネツシキ クウチョウ システム ノ ジュヨウ ハンノウ コウカ ニ カンスル ケントウ

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Abstract

This paper evaluates the economic impact of the introduction of customer-owned Thermal Storage Air-conditioning (TSA) systems, in an electricity market, from the viewpoint of the load service entity. We perform simulations on the condition that several thousand customers install TSA systems and shift peak demand in an electricity market by one percent. Our numerical results indicate that the purchase cost of the LSE was reduced through load management of customers with TSA systems. The introduction of TSA systems also reduced the volatility of market clearing price and reduced the whole-trade cost in an electricity market.

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