A Text-Book On Electro-Magnetism And the Construction of Dynamos
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In our eReader you can find the full English version of the book. Read A Text-Book On Electro-Magnetism And the Construction of Dynamos 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 A Text-Book On Electro-Magnetism And the Construction of Dynamos
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Hence, to decrease B, requires an increase in the amount of iron but effects a saving in copper. On the other hand, to increase B effects a saving in iron but causes an increased use of copper. A balance, which depends upon the relative cost of iron and copper in the finished machine, is sought.
The value of v evidently depends upon the form of the frame and the value of /'„+„. As the reluctance of the air space is the major part of P^+^, v evidently depends upon the dimensions of the air space... and of the leakage paths. Hence, if v be determined for one machine of a given type, it will have practically the same value for all other machines of the same type whatever their dimensions, provided the linear dimen- sions of the individual machines are always in the same proportion. In plain single horseshoe fields, v usually lies between 1.25 to 1.4 for the most efficient machines.
In inverted single horseshoe (Edison) and plain double 140 ELECTRO-M AGNETI SM .
horseshoe fields, v usually lies between 1.5 and 1.75.
What to read after A Text-Book On Electro-Magnetism And the Construction of Dynamos?
You can find similar books in the "Read Also" column, or choose other free books by Dugald C Dugald Caleb Jackson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Hence, to decrease B, requires an increase in the amount of iron but effects a saving in copper. On the other hand, to increase B effects a saving in iron but causes an increased use of copper. A balance, which depends upon the relative cost of iron and copper in the finished machine, is sought.
The value of v evidently depends upon the form of the frame and the value of /'„+„. As the reluctance of the air space is the major part of P^+^, v evidently depends upon the dimensions of the air space... and of the leakage paths. Hence, if v be determined for one machine of a given type, it will have practically the same value for all other machines of the same type whatever their dimensions, provided the linear dimen- sions of the individual machines are always in the same proportion. In plain single horseshoe fields, v usually lies between 1.25 to 1.4 for the most efficient machines.
In inverted single horseshoe (Edison) and plain double 140 ELECTRO-M AGNETI SM .
horseshoe fields, v usually lies between 1.5 and 1.75.
What to read after A Text-Book On Electro-Magnetism And the Construction of Dynamos?
You can find similar books in the "Read Also" column, or choose other free books by Dugald C Dugald Caleb Jackson to read onlineMoreLess
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