CONTROLLER, POWER STORAGE SYSTEM COMPRISING THE SAME, AND CONTROL METHOD AND CONTROL PROGRAM FOR THE SAME

• Main Authors: MINAMI MASAAKI, INOHATA KAZUKI
• Format: Patent
• Language: English; Japanese
• Published: 22.03.2016
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

PROBLEM TO BE SOLVED: To make it possible to continuously use a load facility even at the time of long outage.SOLUTION: A controller 10 for a micro grid that is interconnected with a power system and comprises a DG, a storage battery system, and a load facility comprises: a distribution determination unit 11 that separates a switching unit for switching connection/disconnection between the power system and the micro grid when it is determined that voltage of the power system is lower than a threshold, and determines respective distributions of power to be supplied from the DG and the storage battery system to the load facility on the basis of a State Of Charge of the storage battery system; and a control unit 12 for controlling, on the basis of the power distributions determined by the distribution determination unit 11, the respective DG and storage battery system so as to supply power to the load facility.SELECTED DRAWING: Figure 2 【課題】長時間の停電においても負荷設備を継続して利用できること。【解決手段】電力系統と連系され、ＤＧと蓄電池システムと負荷設備とを備えるマイクログリッドの制御装置１０であって、電力系統の電圧が閾値より小さいと判定された場合に、電力系統とマイクログリッドとの接続非接続を切り替える切替部を切り離し、蓄電池システムの充電率に基づいて、ＤＧ及び蓄電池システムから負荷設備に供給するそれぞれの電力配分を決定する配分決定部１１と、配分決定部１１によって決定された電力配分によって、ＤＧと蓄電池システムとをそれぞれ制御し、負荷設備に電力供給させる制御部１２とを具備する。【選択図】図２