Convention, Volume 18 |
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Halaman 157
... open coil dynamos . The open coil dynamo at the very earliest date appealed to such men as Charles F. Brush and Elihu Thomson as being especially suited for this constant current work , and by the remarkable genius of these pioneers was ...
... open coil dynamos . The open coil dynamo at the very earliest date appealed to such men as Charles F. Brush and Elihu Thomson as being especially suited for this constant current work , and by the remarkable genius of these pioneers was ...
Halaman 158
... open coil machine . The fact that a large amount of self - induction is advanta- geous in an open coil machine has never , to my knowledge , been stated before , although on it depends the successful working of a machine of 2,000 volts ...
... open coil machine . The fact that a large amount of self - induction is advanta- geous in an open coil machine has never , to my knowledge , been stated before , although on it depends the successful working of a machine of 2,000 volts ...
Halaman 159
... coil arc machines . It is in the commutator and commutation , then , that we find the most marked difference between the open and the closed coil arc dynamos , and herein lies the great superiority of the former over the latter . Take ...
... coil arc machines . It is in the commutator and commutation , then , that we find the most marked difference between the open and the closed coil arc dynamos , and herein lies the great superiority of the former over the latter . Take ...
Halaman 160
... coil . The pointer , however , remained at zero , showing absolutely no electro - motive force . He then applied the ... open coil than by a closed coil machine . A much more vital question in connection with these large units ...
... coil . The pointer , however , remained at zero , showing absolutely no electro - motive force . He then applied the ... open coil than by a closed coil machine . A much more vital question in connection with these large units ...
Halaman 161
... open coil machine has largely the advantage . Opening the circuit is the same , in one sense , as suddenly throwing a high resistance into the line and , when we do this , we shift the point of commutation back under the brush , owing ...
... open coil machine has largely the advantage . Opening the circuit is the same , in one sense , as suddenly throwing a high resistance into the line and , when we do this , we shift the point of commutation back under the brush , owing ...
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