The Electric Motor And the Transmission Power
The Electric Motor And the Transmission Power
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In our eReader you can find the full English version of the book. Read The Electric Motor And the Transmission Power 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 Electric Motor And the Transmission Power
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247 Ohm's law, as modified for alternating current circuits, is, therefore, Volts E. M. F. ~ Ohms Impedance.
If the frequency of alternation be doubled, so that the reactance is doubled, or be- comes 8 ohms, the impedance, as shown in Fig. 61, will be increased to 8. 544 ohms, and the current strength in the coil will, therefore, be reduced to 5-^7, = 1. 17 am- 0. 544 peres. If the frequency of alternation were made indefinitely small, so that the current became continuous, the impedance would ...become the simple resistance.
Reactance plays a prominent part in all alternating-current circuits. It is usefully employed in apparatus called alternating- current transformers, which consist essen- tially of coils of wire wound upon a 248 THE ELECTRIC MOTOR AND common core. One of these coils is con- nected with the driving or primary circuit, O RESISTANCE $ OHMS A FIG. 61. DIAGRAM INDICATING RELATION OF IMPED- ANCE TO REACTANCE.
while the other coil is connected with the driven or secondary circuit ; i.
What to read after The Electric Motor And the Transmission Power?
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:
247 Ohm's law, as modified for alternating current circuits, is, therefore, Volts E. M. F. ~ Ohms Impedance.
If the frequency of alternation be doubled, so that the reactance is doubled, or be- comes 8 ohms, the impedance, as shown in Fig. 61, will be increased to 8. 544 ohms, and the current strength in the coil will, therefore, be reduced to 5-^7, = 1. 17 am- 0. 544 peres. If the frequency of alternation were made indefinitely small, so that the current became continuous, the impedance would ...become the simple resistance.
Reactance plays a prominent part in all alternating-current circuits. It is usefully employed in apparatus called alternating- current transformers, which consist essen- tially of coils of wire wound upon a 248 THE ELECTRIC MOTOR AND common core. One of these coils is con- nected with the driving or primary circuit, O RESISTANCE $ OHMS A FIG. 61. DIAGRAM INDICATING RELATION OF IMPED- ANCE TO REACTANCE.
while the other coil is connected with the driven or secondary circuit ; i.
What to read after The Electric Motor And the Transmission Power?
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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