Electro-Dynamic Machinery for Continuous Currents;
Electro-Dynamic Machinery for Continuous Currents;
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In our eReader you can find the full English version of the book. Read Electro-Dynamic Machinery for Continuous Currents; 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 Electro-Dynamic Machinery for Continuous Currents;
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The effect of this drop would be to reduce the current strength in the field magnet coils from 2 amperes to— = 1.86 amperes, thus reducing both the flux through the armature and the E. M. F., so that a balance between the E. M. F. and its excitation might be found at, say, 90 volts, if no means were adopted to regulate the cur- rent strength through the field coils. In other words, the FIG. 166. — DIAGRAM OF COMPOUND WINDING.
pressure at the brushes would vary by 10 volts between light and full... load.
247. Fig. 166 represents the connections between the field and armature of a compound-wound generator. Here the principal M. M. F. furnished by the magnet coils is that due to the shunt coil, composed of many turns of fine wire, an auxiliary series coil, of comparatively few turns of coarse wire, being also employed in the main circuit. As the load increases, the M. M. F. generated by the shunt winding tends to diminish as above described, but the M. M. F. due -to the series coil increases.
What to read after Electro-Dynamic Machinery for Continuous Currents;?
You can find similar books in the "Read Also" column, or choose other free books by Edwin J Edwin James Houston to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The effect of this drop would be to reduce the current strength in the field magnet coils from 2 amperes to— = 1.86 amperes, thus reducing both the flux through the armature and the E. M. F., so that a balance between the E. M. F. and its excitation might be found at, say, 90 volts, if no means were adopted to regulate the cur- rent strength through the field coils. In other words, the FIG. 166. — DIAGRAM OF COMPOUND WINDING.
pressure at the brushes would vary by 10 volts between light and full... load.
247. Fig. 166 represents the connections between the field and armature of a compound-wound generator. Here the principal M. M. F. furnished by the magnet coils is that due to the shunt coil, composed of many turns of fine wire, an auxiliary series coil, of comparatively few turns of coarse wire, being also employed in the main circuit. As the load increases, the M. M. F. generated by the shunt winding tends to diminish as above described, but the M. M. F. due -to the series coil increases.
What to read after Electro-Dynamic Machinery for Continuous Currents;?
You can find similar books in the "Read Also" column, or choose other free books by Edwin J Edwin James Houston to read onlineMoreLess
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