Material Insights · Understanding the Material World

Rail traction and Transformers and power electronics

Their prices have moved together.

Rail traction (energy) and Transformers and power electronics (energy): 1 relationship.

How they are linked

1. Price link: traction converters

Cost and price · Weak · Both ways

Electric trains use transformers and converters to feed their motors from overhead wires. Monthly moves correlate at 0.17 and yearly at 0.29 with the transformer index, a weak link from shared electrical equipment costs.

  • 0.17 monthly change correlation
  • 0.29 12-month change correlation
  • 0.22 fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.