PROBLEM TO BE SOLVED: To provide a charging system of an electric automobile which can efficiently charge multiple batteries at the same time.SOLUTION: A charging system 100 of an electric automobile which charges multiple batteries 150 comprises: an electricity converting portion 120 which converts AC electricity supplied from a system 110 to DC electricity and then supplies the electricity to multiple batteries or converts DC electricity charged into the multiple batteries to AC electricity and then supplies the electricity to the system; main switches 130, one ends of which are connected to the electricity converting portion; and multiple sub switches 140, one ends of which are connected to the multiple batteries respectively and the other ends of which are connected in parallel to the other ends of the main switches respectively. The multiple batteries are respectively charged or discharged in sequence until reaching first set capacities, and when all of the multiple batteries are charged up to the first set capacities, the batteries are charged up to second set capacities larger than the first set capacities at the same time.SELECTED DRAWING: Figure 2
【課題】効率よく多数のバッテリーを同時に充電できる電気自動車の充電システムを提供する。【解決手段】多数のバッテリー150を充電する電気自動車の充電システム100は、系統110から供給された交流電力を直流に変換して多数のバッテリーに供給するか、多数のバッテリーに充電された直流電力を交流に変換して系統に供給する電力変換部120と、一端が電力変換部に連結されるメインスイッチ130と、一端が多数のバッテリーにそれぞれ連結され、他端がメインスイッチの他端にそれぞれ並列に連結される多数のサブスイッチ140と、を含む。多数のバッテリーは、それぞれ第1設定容量まで順に充電または放電され、多数のバッテリーがいずれも前記第1設定容量になると、第1設定容量よりも大きい第2設定容量まで同時に充電される。【選択図】図2
CHARGING SYSTEM AND CHARGING METHOD OF ELECTRIC AUTOMOBILE
電気自動車の充電システムおよび充電方法
02.11.2017
Patent
Elektronische Ressource
Japanisch
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