Voltage Transformer

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Description (Brief)
A transformer was one of the critical components needed to make an electrical power system based on alternating current. Transformers raise and lower the electrical voltage (or potential) or the current, depending on the design. Electrical inventors Lucien Gaulard and John Gibbs introduced a practical design in Europe in 1882. George Westinghouse licensed their design and William Stanley, an engineer working in his company, added refinements that improved the device. This potential transformer has two coils of wire–one coil with a few turns of thick wire, the other with many turns of thin wire. A current passing through one (the primary coil) induces a current in the other (the secondary coil). The voltage can be raised or lowered depending on which coil serves as primary.
date made
ca 1889
maker
Westinghouse Electric & Manufacturing Co.
Physical Description
wood (overall material)
metal (overall material)
cloth (overall material)
mica (overall material)
Measurements
overall: 16 3/4 in x 9 in x 6 in; 42.545 cm x 22.86 cm x 15.24 cm
ID Number
EM.318584
catalog number
318584
accession number
232729
Credit Line
from Princeton University, Dept. of Electrical Engineering, thru Dean Howard Menand
See more items in
Work and Industry: Electricity
American Enterprise
Energy & Power
Exhibition
American Enterprise
Exhibition Location
National Museum of American History
Data Source
National Museum of American History, Kenneth E. Behring Center

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