EVALUATION DEVICE, EVALUATION METHOD, POWER CONDITIONER, AND MICRO-GRID

To propose a method for effectively employing energy in a micro-grid interconnected with an electronic system.SOLUTION: An energy management device 50 is for a micro-grid S1 which is interconnected with a power system 1 and includes a power storage device 15. A target value for received power of the...

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Hauptverfasser:	HONGO SHINICHI, YOKOYAMA MASAO, ENDO HIROKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Zusammenfassung:	To propose a method for effectively employing energy in a micro-grid interconnected with an electronic system.SOLUTION: An energy management device 50 is for a micro-grid S1 which is interconnected with a power system 1 and includes a power storage device 15. A target value for received power of the micro-grid that optimizes utilization efficiency of energy of the micro-grid S1 is calculated on the basis of a predicted demand for electric power in the micro-grid S1 under restriction conditions of upper and lower limits on the received power of the micro-grid S1 and upper and lower limits on output power of the power storage device.SELECTED DRAWING: Figure 5 【課題】電力系統と連系したマイクログリッドにおいて、エネルギーを効率的に運用するための手法を提案する。【解決手段】電力系統１と連系し、蓄電装置１５を備えたマイクログリッドＳ１のエネルギー管理装置５０であって、前記マイクログリッドＳ１の受電電力の上下限と前記蓄電装置の出力電力の上下限を制約条件として、前記マイクログリッドＳ１のエネルギーの利用効率を最適化する前記マイクログリッドの受電電力の目標値を、前記マイクログリッドＳ１における電力の需給予測に基づいて算出する。【選択図】図５