電気二重層キャパシタを用いた電力貯蔵装置の電気鉄道への適用に関する基礎的検討

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タイトル別名
  • Application of Electric Double-layer Capacitors for Energy Storage on Electric Railway
  • デンキ 2ジュウソウ キャパシタ オ モチイタ デンリョク チョゾウ ソウチ ノ デンキ テツドウ エ ノ テキヨウ ニ カンスル キソテキ ケントウ

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説明

The methods to stabilize power sources, which are the measures against voltage drop, power loading fluctuation, regeneration power lapse and so on, have been important issues in DC feeding circuits. Therefore, an energy storage medium that uses power efficiently and reduces above-mentioned problems is much concerned about. In recent years, development of energy storage medium is remarkable for drive-power supplies of electric vehicles. A number of applications of energy storage, for instance, battery and flywheel, have been investigated so far. <BR>A large-scale electric double-layer capacitor which is rapidly charged and discharged and offers long life, maintenance-free, low pollution and high efficiency, has been developed in wide range. We have compared the ability to charge batteries and electric double-layer capacitors. Therefore, we carried out fundamental studies about electric double-layer capacitors and its control. And we produced a prototype of energy storage for the DC electric railway system that consists of electric double-layer capacitors, diode bridge rectifiers, chopper system and PWM converters. From the charge and discharge tests of the prototype, useful information was obtained. This paper describes its characteristics and experimental results of energy storage system.

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