Dynamos Motors Alternators And Rotary Converters
Dynamos Motors Alternators And Rotary Converters
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In our eReader you can find the full English version of the book. Read Dynamos Motors Alternators And Rotary Converters Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Dynamos Motors Alternators And Rotary Converters
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.. .. .. .. .. 600 watts. Loss of energy due to armature resistance . .. .. . 1, 358 watts. Total . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 2, 928 watts. AND|TRANSFORMERS. 291 The electrical efficiency^of this machine is therefore 93*438 per cent. 42, 000 + 2, 928 The mechanical efficiency is, of course, lower, because, in addition to the 2, 928 watts absorbed by resistance in the field and armature, we must provide sufficient energy to cover the losses due to magnetic and... mechanical friction and eddy currents. These losses were determined in the manner detailed in the last chapter. The field of the machine was separately exciled, and a current sent through the armature so as to run the machine light as a motor. By plotting the current as a function of the speed we obtain a straight line, which cuts the axis of ordinates at the point corresponding to 9' 2 amperes. This, therefore, is the current required at that particular excitation for overcoming all frictional resistances.
What to read after Dynamos Motors Alternators And Rotary Converters?
You can find similar books in the "Read Also" column, or choose other free books by Kapp, Gisbert, 1852-1922 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
.. .. .. .. .. 600 watts. Loss of energy due to armature resistance . .. .. . 1, 358 watts. Total . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 2, 928 watts. AND|TRANSFORMERS. 291 The electrical efficiency^of this machine is therefore 93*438 per cent. 42, 000 + 2, 928 The mechanical efficiency is, of course, lower, because, in addition to the 2, 928 watts absorbed by resistance in the field and armature, we must provide sufficient energy to cover the losses due to magnetic and... mechanical friction and eddy currents. These losses were determined in the manner detailed in the last chapter. The field of the machine was separately exciled, and a current sent through the armature so as to run the machine light as a motor. By plotting the current as a function of the speed we obtain a straight line, which cuts the axis of ordinates at the point corresponding to 9' 2 amperes. This, therefore, is the current required at that particular excitation for overcoming all frictional resistances.
What to read after Dynamos Motors Alternators And Rotary Converters?
You can find similar books in the "Read Also" column, or choose other free books by Kapp, Gisbert, 1852-1922 to read onlineMoreLess
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