To provide a power control system and an electrical power system capable of suppressing influence of load fluctuations on an AC power system when a sudden load fluctuation occurs in a general DC power load.SOLUTION: In an electrical power system 200, a power control system 100 comprises: a bidirectional power converter 31 of which an AC end is connected to an AC power system 10 and a DC end is connected to a DC power system 20 to which one or more DC power loads 22 to 24 are connected, and which converts an AC power of the AC power system and a DC power of the DC power system to each other; power storage devices 25, 26 that are connected to the DC power system and store electric power of the DC power system; and a bidirectional power conversion controller 32 that performs a first control for controlling an output or an input of the AC end of a bidirectional power converter so that a charging and discharging current or a charging and discharging power of the power storage device agrees with a prescribed target current value or a prescribed target power value.SELECTED DRAWING: Figure 1
【課題】一般的な直流電力負荷に急な負荷変動が生じた場合に、交流電力系統への負荷変動の影響を抑制することが可能な電力制御システム及び電源システムを提供する。【解決手段】電源システム200において、電力制御システム100は、交流端が交流電力系統10に接続されるとともに直流端が1以上の直流電力負荷22〜24が接続された直流電力系統20に接続され、交流電力系統の交流電力と直流電力系統の直流電力とを相互に変換する双方向電力変換器31と、直流電力系統に接続され、直流電力系統の電力を貯蔵する電力貯蔵装置25、26と、電力貯蔵装置の充放電電流又は充放電電力が所定の目標電流値又は目標電力値に一致するよう双方向電力変換器の交流端の出力又は入力を制御する第1制御を行う双方向電力変換制御器32と、を備える。【選択図】図1
POWER CONTROL SYSTEM AND ELECTRICAL POWER SYSTEM
電力制御システム及び電源システム
2021-03-01
Patent
Elektronische Ressource
Japanisch
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