Power Transmission Characteristics During Rapid Charging ina Wireless Power Transmission System for Railway Vehicles Using HTS Coils

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  • 高温超電導コイルを用いた鉄道用非接触給電システムの 急速充電時における電力伝送特性
  • コウオン チョウデンドウコイル オ モチイタ テツドウヨウ ヒセッショク キュウデン システム ノ キュウソク ジュウデンジ ニ オケル デンリョク デンソウ トクセイ

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<p>In this paper, we investigated the influence of AC loss in a high-temperature superconducting (HTS) coil and the parallel number of HTS coils on the power transmission characteristics (i.e., receiving power, charging time, and transmission efficiency). We clarified the design guidelines for the wireless power transmission (WPT) system of railway vehicle using HTS coils. We also designed a full-scale WPT system for railway vehicle using the HTS coils. As a result, we found that the WPT system for railway vehicle using HTS coils enables fast charging with high operating efficiency at low frequency. This result shows that the WPT system for railway vehicle using HTS coils can realize faster charging and higher operating efficiency at a lower frequency than a system with copper coils.</p>

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