Accession Number : ADA336092

Title :   Foreign Voltages and Frequencies Guide

Descriptive Note : Final rept.

Corporate Author : CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL

Personal Author(s) : Windingland, Larry M. ; Steele, Scott A. ; Heyen, Kevin K. ; Maase, Hannon T. ; Holcomb, Frankin H.

PDF Url : ADA336092

Report Date : DEC 1997

Pagination or Media Count : 142

Abstract : Foreign countries around the world use different electrical standards for voltage and frequency than those of the United States. Electrical equipment designed for 60 Hertz may or may not operate properly in a 50 Hertz environment. Similarly, electrical equipment designed for 50 Hertz may or may not operate properly in a 60 Hertz environment. Because of these different electrical standards, research was conducted to identify the voltage and frequency standards of various foreign countries, as well as to provide guidance on the operation of various classes of equipment in different voltage and frequency environments. This study identifies the various low and medium voltage levels, along with the system frequencies, used by countries around the world. This study also identifies the classes of equipment that are sensitive to voltage and frequency, providing guidance for their operation in different environments. Finally, a listing of U.S. manufacturers of 50 Hertz electrical equipment is provided for reference purposes.

Descriptors :   *LOW VOLTAGE, *ELECTRIC POWER DISTRIBUTION, *FREQUENCY STANDARDS, ARMY CORPS OF ENGINEERS, ELECTRIC CURRENT, ELECTRICAL IMPEDANCE, FREQUENCY CONVERSION, ELECTRICAL EQUIPMENT, ELECTRICAL LOADS, ELECTRIC TERMINALS, ELECTRIC POWER TRANSMISSION.

Subject Categories : Electric Power Production and Distribution
      Electricity and Magnetism

Distribution Statement : APPROVED FOR PUBLIC RELEASE