NDLI: (e) Brush losses

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Year : 1919 Volume : 38

Year : 1918 Volume : 37

Year : 1917 Volume : 36

Year : 1916 Volume : 35

Year : 1915 Volume : 34

Year : 1914 Volume : 33

Year : 1913 Volume : 32

Directors' meeting, October 10, 1913

Addresses wanted

The forum: Dedicated to the discussion of Institute affairs

Pacific Coast A. I. E. E. Convention, Vancouver, B. C., September 9–11, 1912

A. I. E. E. meeting in Philadelphia, October 13, 1913

Past section and past branch meetings

Abstracts of proceedings of foreign engineering societies

Library accessions

Officers and Board of Directors, 1913–1914

Dynamo electric lighting for motor cars

Advantages of clutch type generator and separate starting and lighting units for motor cars

Electrical equipment of gasoline automobiles

Midwinter convention papers: Group II. Methods of determining losses in apparatus

(a) Induction motors

(b) Transformers

(e) Brush losses

(c) Generators, A-C. and D-C. and (d) Errors of test

Midwinter convention papers: Group III. Methods of testing apparatus for performance

Discussion on group III papers — “methods of testing apparatus for performance”. New York, February 28, 1913. (see proceedings for February, 1913)

Midwinter convention papers: Group IV. Miscellaneous subjects relating to rating

Discussion on group IV papers [(a) oil switches, (b) spark gap. (c) wave form. (d) regulation]. New York, February 28, 1913. (see proceedings for February, 1913)

Discussion on “2400-volt railway electrification” (Hobart) and “trunk line electrification” (Kahler). New York, May 20, 1913. (see proceedings for May, 1913)

The I. E. C. meeting at Berlin

Year : 1912 Volume : 31

Year : 1911 Volume : 30

Year : 1910 Volume : 29

Year : 1909 Volume : 28

Year : 1908 Volume : 27

Year : 1907 Volume : 26

Year : 1906 Volume : 25

Year : 1905 Volume : 24

(e) Brush losses

Content Provider	IEEE Xplore Digital Library
Copyright Year	1905
Description	W. B. Brady: Referring to the paper by Messrs. Edgecomb and Dick, the brush manufacturers are very much interested in the subject of brush losses and we are very glad the Institute has taken up this matter. We have been working on the development of brush tests for more than six years but we have been handicapped by the lack of apparatus that would give us consistent results. Then, again, as we have developed our own apparatus the results we got w Te applicable to that apparatus and only under the exact conditions of that test. This is due to the number of variables and losses that are in a certain combination under the conditions of that test. By having these losses more definitely separated and understood we may be able to get a definite basis to make our results comparable. One of the best ways I know of is to standardize the brush testing apparatus and I hope this can be done in the very near future. It will be a decided step in brush development which will be of great assistance to engineers.
Starting Page	2029
Ending Page	2039
Page Count	11
File Size	1558957
File Format	PDF
ISSN	00972444
Volume Number	32
Issue Number	11
Language	English
Publisher	American Institute of Electrical Engineers
Publisher Date	1913-01-01
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Brushes Friction Commutation Loss measurement Synchronous motors Eddy currents Temperature measurement
Content Type	Text
Resource Type	Article

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