電気自動車普通充電器からの無効電力注入による夜間一斉充電時の需要家電圧低下補償手法

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タイトル別名
  • A Method for Compensating Customer Voltage Drops due to Nighttime Simultaneous Charging of EVs Utilizing Reactive Power Injection from Battery Chargers
  • デンキ ジドウシャ フツウ ジュウデンキ カラ ノ ムコウ デンリョク チュウニュウ ニ ヨル ヤカン イッセイ ジュウデンジ ノ ジュヨウ カデンアツ テイカ ホショウ シュホウ

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抄録

When we consider the global warming, the reduction of CO2 emission is one of the most important problems which require urgent solutions. One option is to integrate low-CO2-emission generators to the grid as much as possible. Another option is to replace inefficient vehicles based on internal-combustion engines with electric ones (EVs). Due to the latter, we can easily estimate that most consumers will charge EVs' batteries at nighttime. Thus, excessive voltage drops due to the nighttime simultaneous charging are supposed to be a possible future problem. This paper proposes a method for compensating the voltage drops by injecting reactive power from EV battery chargers.

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