POWER SUPPLY STABILIZATION DEVICE

To provide a power supply stabilization device using a secondary battery.SOLUTION: A power supply stabilization device connected between AC power and an electrical apparatus has a first converter whose AC side is connected to the AC power and converting AC into DC, a second converter whose AC side is connected to the electrical apparatus and converting DC into AC, an output measurement part measuring output voltage of the second converter, a terminal part capable of attaching/detaching a secondary battery, a switching device connected to a DC link connecting a DC side of the first converter and the DC side of the second converter, and switching whether or not power stored in the secondary battery attached to the terminal part is supplied to the DC link, a charging amount measurement part measuring a charging amount of the secondary battery attached to the terminal part, and a control part controlling the switching device based on a measurement result by the output measurement part and the charging amount measurement part.SELECTED DRAWING: Figure 1 【課題】二次電池を用いた安定化電源装置を提供する。【解決手段】交流電源と電気機器の間に接続される電源安定化装置であって、交流側が前記交流電源に接続され、交流を直流に変換する第１変換器と、交流側が前記電気機器に接続され、直流を交流に変換する第２変換器と、前記第２変換器の出力電圧を測定する出力測定部と、二次電池を着脱可能な端子部と、前記第１変換器の直流側と、前記第２変換器の直流側とを接続する直流リンクに接続され、前記端子部に装着された二次電池の蓄える電力を前記直流リンクに供給するか否かを切り替える切換装置と、前記端子部に装着された二次電池の充電量を測定する充電量測定部と、前記出力測定部及び前記充電量測定部による測定結果に基づいて、前記切換装置を制御する制御部と、を備える電源安定化装置。【選択図】図１