The Induction Motor
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In our eReader you can find the full English version of the book. Read The Induction Motor 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 The Induction Motor
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These curves take into account the ratio of pole pitch to core length, and the product of the average slots per pole times the depth of the air gap. Curves are also given both for. Open and for completely closed slots. Values for partially closed slots can be obtained by interpolation. The curves were derived empirically from the results of tests upon a number of motors.
In " Alternating Current Motors, " by A. S. McAllister, it is shown that these curves can be replaced by straight lines, and ...that values taken from the straight line curves agree equally as well with the facts as do those taken from the original curves. The equations of these lines PREDETERMINATION OF THE CIRCLE DIAGRAM 117 are readily obtained, and it is found that the value of C can be repre- sented by the following equation: A/ 0. 0972 5. 5^0+ 2 -9 r j (0. 54+ -u-, where S is the percentage opening of slots (average of stator and rotor) / the pole pitch (or in the case of short-pitch windings, coil pitch), d the depth of air gap in inches, and h the average number of stator and rotor slots per phase per pole.
What to read after The Induction Motor?
You can find similar books in the "Read Also" column, or choose other free books by Benjamin Franklin Bailey to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
These curves take into account the ratio of pole pitch to core length, and the product of the average slots per pole times the depth of the air gap. Curves are also given both for. Open and for completely closed slots. Values for partially closed slots can be obtained by interpolation. The curves were derived empirically from the results of tests upon a number of motors.
In " Alternating Current Motors, " by A. S. McAllister, it is shown that these curves can be replaced by straight lines, and ...that values taken from the straight line curves agree equally as well with the facts as do those taken from the original curves. The equations of these lines PREDETERMINATION OF THE CIRCLE DIAGRAM 117 are readily obtained, and it is found that the value of C can be repre- sented by the following equation: A/ 0. 0972 5. 5^0+ 2 -9 r j (0. 54+ -u-, where S is the percentage opening of slots (average of stator and rotor) / the pole pitch (or in the case of short-pitch windings, coil pitch), d the depth of air gap in inches, and h the average number of stator and rotor slots per phase per pole.
What to read after The Induction Motor?
You can find similar books in the "Read Also" column, or choose other free books by Benjamin Franklin Bailey to read onlineMoreLess
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