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OBJECT TYPE
AC/REVOLVING FIELD/EXTERNAL FIELD EXCITER/SHUNT
DATE
1889
ARTIFACT NUMBER
1992.1850.001
MANUFACTURER
Ohio State University
MODEL
Unknown
LOCATION
Ohio, United States of America

More Information


General Information

Serial #
PROTOTYPE
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
CAST IRON BASE, ROTARY FIELD CORE & POLE PIECES. BRASS STATOR MOUNTING RINGS. COPPER SLIP RINGS & BRUSHES; FIBRE BRUSH MOUNTING PLATE WITH STEEL BRACKET & SHAFT, & BRONZE BEARINGS. CAST IRON BEARING SUPPORTS & GIMBALS. INSULATED COPPER WIRE FIELD WINDING & STATOR WINDINGS. MISC. STEEL & BRASS HARDWARE. FIBREBOARD.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
117.0 cm
Width
60.0 cm
Height
60.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Energy-electric
Category
Generation
Sub-Category
N/A

Manufacturer

AKA
University
Country
United States of America
State/Province
Ohio
City
Unknown

Context

Country
United States of America
State/Province
Ohio
Period
THIS GENERATOR PRESUMABLY USED C. 1889- C. 1900.
Canada
PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED BY ONTARIO HYDRO IN THE 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT TO BE THE LARGEST & MOST COMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.
Function
TO CONVERT ROTARY MECHANICAL ENERGY INTO ALTERNATING CURRENT ELECTRICAL ENERGY.
Technical
AN EXPERIMENTAL DEVICE, PRESUMABLY BUILT TO EXPLORE ROTARY FIELD DESIGN. CONTAINS 16 INDIVIDUAL LOW IMPEDENCE STATORS THAT COULD BE STRAPPED FOR SERIES OR PARALLEL OPERATION. SINCE THE ROTARY FIELD HAS 8 SEPARATE POLE PIECES, ADJACENT STATOR COILS WOULD HAVE CURRENT FLOWING 180-DEGREES OUT OF PHASE. STRAPPING COULD PROVIDE 2 PHASE HIGH VOLTAGE OR LOW VOLTAGE CIRCUITS OR SEPARATE SINGLE PHASE CIRCUITS.
Area Notes
Unknown

Details

Markings
"10196 " visible on brush side of revolving field. [presumably this number had been painted on magnet- now only impression visible.]
Missing
APPROX. 10 TERMINALS; BEARING OILERS.
Finish
BLACK ENAMEL FINISH ON IRON WORK. ALL OTHER PARTS HAVE NATURAL FINISH.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Ohio State University, Generator, circa 1889, Artifact no. 1992.1850, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1850.001/

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