Utilization method and receiving system for secondary battery

二次電池の使用方法及び受電システム

Abstract

(57)【要約】 【課題】 電力小売りの自由化が実現した場合に、電力 料金低減のメリットを更に生かすことが可能な二次電池 の使用方法の提供。 【解決手段】 複数の電力供給会社から選択的に受電す ることが可能であり、選択した電力供給会社(S2)か ら受電した電力により二次電池を充電し(S16)、二 次電池から放電させた電力(S10)を使用し、選択し た電力供給会社に、受電した電力の料金を支払う二次電 池の使用方法。複数の電力供給会社の各電力料金を取得 し(S2)、電力料金が最も安価な電力供給会社を選択 して受電し(S4)、選択した電力供給会社の電力料金 が所定の第1電力料金以上であるときは(S6)、二次 電池から放電させ(S10)、電力料金が第1電力料金 より低い第2電力料金以下であるときは(S12)、受 電した電力により二次電池を充電する(S16)。
<P>PROBLEM TO BE SOLVED: To provide a secondary battery, capable of enhancing advantage of electric power charge reduction, when liberalization of power retail is real ized. <P>SOLUTION: In the using method of a secondary battery, electric power can be selectively received from a plurality of power supply companies. A secondary battery is charged (S16) by electric power received for the selected power supply company (S2). By using electric power (S10) discharged from the secondary battery, the charge of the received electric power is paid to the selected power supply company. By using the data of respective electric power charges obtained from the plurality of power supply companies (S2), the power supply company offering the lowest electric power rate is selected to receive electricity (S4). When the electric power charge of the selected power supply company is larger than the prescribed first electric power rate (S6), the secondary battery is discharged (S10). When the electric power charge is not larger than the second electric power rate, which is lower than the first electric power rate (S12), the secondary battery is charged by the received electric power (S16). <P>COPYRIGHT: (C)2004,JPO

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