Line serves 25-Hz railway system

Article Abstract:

Philadelphia Electric Co. constructed a static frequency converter facility to answer the electricity needs of a customer and accommodate railway operations of the Southeastern Pennsylvania Transportation Authority. Procedures and required data are described.

Contracts, Design and construction, PE, Southeastern Pennsylvania Transportation Authority, Philadelphia Electric Co., Frequency converters, Frequency changers

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Foundation erosion impeded in new way

Article Abstract:

A procedure using bank stabilization was employed by Dayton Power and Light Co. when several transmission-tower foundations were threatened with erosion. The technique proved to be environmentally sound, and the cost was less than $20,000.

Prevention, Soil erosion, Soil stabilization, Dayton Power and Light Co.

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Moving US manufacturing into the modern world

Article Abstract:

American industry is lacking in new technologies especially in the electrotechnology fields. New technology brings energy efficiency and productivity. The new increases make companies able to stay competitive.

Manufacturing industry, Manufacturing industries, Economic aspects

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