hourly rating

English

hourly rating (plural hourly ratings)

(electrical engineering, rail transport) A measure of the maximum output, usually expressed in horsepower, that can be obtained from the motors of an electric locomotive for a period of one hour without the motors overheating. [1]
- 1960 December, Cecil J. Allen, “Operating a mountain main line: the Bern-Lötschberg-Simplon: Part One”, in Trains Illustrated, page 743:
  The year 1926 saw the putting in service of the first of the magnificent 1-Co-Co-1 locomotives of Type Ae 6/8, which at the time of their construction, with their hourly rating of 4,500 h.p., were the most powerful single electric locomotive units in the world.

单词	hourly rating
释义	hourly rating English Noun hourly rating (plural hourly ratings) (electrical engineering, rail transport) A measure of the maximum output, usually expressed in horsepower, that can be obtained from the motors of an electric locomotive for a period of one hour without the motors overheating. [1] 1960 December, Cecil J. Allen, “Operating a mountain main line: the Bern-Lötschberg-Simplon: Part One”, in Trains Illustrated, page 743: The year 1926 saw the putting in service of the first of the magnificent 1-Co-Co-1 locomotives of Type Ae 6/8, which at the time of their construction, with their hourly rating of 4,500 h.p., were the most powerful single electric locomotive units in the world. References Google Books: Encyclopedia of North American Railroads
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