成果報告書詳細
管理番号20120000000061
タイトル*平成22年度中間年報 蓄電複合システム化技術開発 要素技術開発 既存都市再開発型スマートコミュニティモデル構築に向けた蓄電池利用技術及びエネルギーマネジメントシステムの開発実証(8)
公開日2012/6/29
報告書年度2010 - 2010
委託先名株式会社NTTファシリティーズ
プロジェクト番号P10008
部署名スマートコミュニティ部
和文要約和文要約等以下本編抜粋:
1. 共同研究の内容及び成果等
【蓄電池付電気自動車用急速充電器の研究開発】(株式会社NTT ファシリティーズ)
(1 )目的
本共同研究では、急速充電器の設置者負担を軽減するとともに、電気自動車への充電によるCO2を削減する技術を開発することを目的とする。
英文要約Title : R&D of Practical and integrated Energy storage systems for smart
community/elemental technology development/Development and Demonstration of Battery-Application Technologies and of Energy Management Systems Aimed at the Creation of a Smart Community Model for the Redevelopment of Existing Urban Areas (FY2010-2011) FY2010 Annual Report
(1)Objective The objective of this joint research is to develop the technologies required for reducing CO2 emissions accompanying the charging of electric vehicles and at the same time to reduce the financial burden of the installation of a quick charger. (2)R&D description 1)Development and demonstration of a quick charger for battery-equipped electric vehicles, which enables their installation under low-voltage power services. According to the regulations of the CHAdeMO Association, the output capacity of a quick charger for battery-equipped electric vehicles is 50 kW or less. Accordingly, contracted power supply at 50 kW or more is required for any customer who desires to install a quick charger, and as a result, high voltage receiving equipment is needed for such high voltage power services. For this reason, we have developed and demonstrated by combining a battery and a quick charger with an output capacity of up to 50 kW, which is required for a quick charger, and with an input capacity of less than 50 kW, which allows low-voltage power services. 2)Demonstration of demand control during quick charging by means of coordination between the charger control and the battery. Quick charging of electric vehicles during the period of peak demand for electricity in buildings, commercial facilities, condominiums, etc., may result in power consumption in excess of the contracted power supply or the capacity of the power receiving equipment, requiring the contracted power supply to be raised or even the extension or renewal of the power receiving equipment; these circumstances will increase the financial burden on any customer who requires the installation of a quick charger. For this reason, we have developed and demonstrated a quick charger that can suppress power consumption in excess of the contracted power supply during quick charging by controlling the power demand during quick charging based on power demand data from electricity customers. 3)Demonstration of a reduction in CO2 emissions through the utilization of nighttime power supplies for the quick charging of electric vehicles. As part of efforts to achieve the target of a reduction in CO2 emissions by 25% compared to 1990 levels by 2020 with the aim of achieving a low carbon society, making full use of electricity during the nighttime when CO2 emissions are low is deemed to be effective for the quick charging of electric vehicles, whose use is expected to increase in the future. For this reason, we have demonstrated the potential reduction in CO2 emissions from actively utilizing electricity stored in a battery during the nighttime when CO2 emissions are low for the quick charging of electric vehicles during the daytime when CO2 emissions are high, in addition to the power demand control function during quick charging mentioned in Paragraph 2) above. (3)Description of activities implemented in the fiscal year 2010. 1)In order to examine the specifications of the quick charger to be developed, we have acquired data on the maximum output capacity of quick chargers and on their charging characteristics with regard to the separate remaining capacity of a battery to be installed in an electric vehicle. 2)In order to examine the specifications of the quick charger to be developed, we have examined the control methods for the charger by creating a simulation model of a quick charger for battery-equipped electric vehicles. 3)We have determined the electrical specifications for the device configuration, circuit configuration, etc., of the quick charger to be developed.
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