空調機器を可制御負荷として含むマイクログリッドにおける電力変動補償制御の制御パラメータ決定手法提案と実証試験

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  • Proposal of Control Parameter Designing Method and Actual Machine Test of Short Term Power Fluctuation Compensation System by use of Heat Pump Air-Conditioning System as Controllable Load
  • クウチョウ キキ オ カ セイギョ フカ ト シテ フクム マイクログリッド ニ オケル デンリョク ヘンドウ ホショウ セイギョ ノ セイギョ パラメータ ケッテイ シュホウ テイアン ト ジッショウ シケン

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This research focuses on use of heat pump air-conditioning system (HPACS) as controllable load in microgrid to compensate short-term power fluctuation. A new designing method to determine control parameters for microgrid including HPACS power consumption control is proposed. The proposed method uses microgrid's transfer function and frequency spectrum of microgrid's power and heat demand fluctuation to calculate evaluation values of microgrid control. The search result of Pareto-optimal parameter combination shows that there is a trade-off between SOC fluctuation, stored heat fluctuation, and fluctuation suppression ability. A verification test of power fluctuation compensation using HPACS control is conducted using a microgrid testing facility. The results of experiment shows that power consumption control of HPACS can reduce SOC fluctuation of battery on a large scale. The trade-off relation between evaluation values that was found in parameter decision method was affirmed by the experiment.

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