Proposal for a Simple Regenerative Power Evaluation Method

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  • Aoki Yuta
    Tokyo Traction Substation Technical Center, East Japan Railway Company
  • Hori Hiroaki
    Tokyo Electrical Construction & System Integration Office, East Japan Railway Company
  • Oka Ken'ichiro
    Electrical & Signal Network System Department, East Japan Railway Company
  • Hayashiya Hitoshi
    Electrical & Signal Network System Department, East Japan Railway Company

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Other Title
  • 簡易的な回生電力評価手法の提案
  • カンイテキ ナ カイセイ デンリョク ヒョウカ シュホウ ノ テイアン

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Abstract

Regenerative energy utilization is expected to be one of the methods of improving the energy efficiency of an electric railway. A system that uses a regeneration inverter to avoid regenerative brake canceling was proposed and realized more than 20 years ago. In a d. c. traction power supply system, in order to verify the effect of a regeneration inverter, a detailed simulation is required. However, a general-purpose tool that realizes such a simulation easily has not yet been developed. In this paper, a simple and unique method to evaluate the amount of regenerative energy on the basis of simple train characteristics is proposed. The proposed approximate evaluation results are compared with practical traction substation data, and their validity is confirmed.

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