Terms for subject Electric traction containing segment

English	Japanese
commutator segment	整流子片 (seiryūshihen)
commutator segment insulation	整流子片間絶縁
maximum voltage between segments in a commutator machine	整流子片間最高電圧 整流子電動機の
mean voltage between segments in a commutator machine	整流子片間平均電圧 整流子電動機の