Electric Motors Their Action Control And Application
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In our eReader you can find the full English version of the book. Read Electric Motors Their Action Control And Application 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 Electric Motors Their Action Control And Application
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To quickly assess the difficulty of the text, read a short excerpt:
If all three lamps simultaneously become FIG. 80. CONNECTIONS FOR SYNCHRONIZING THREE-PHASE MOTOR.
bright or dark, the connections are correct, and the line switch may be closed at the instant of darkness. It may happen, how- ever, that the lamps do not glow at the same instant but succes- sively. This indicates that the leads are not connected in their proper order. In this case the motor lines should be transposed until the lamps brighten simultaneously. After the machines have SYNCHRONOUS AL...TERNATING-CURRENT MOTOR. 139 been once properly connected their synchronizing can be accom- plished with a single lamp. If the voltage of the circuit is too high for the direct use of lamps, transformers should be inserted as indi- cated in Fig. 81, their secondary coils being in series with each FIG. 8l. CONNECTIONS FOR SYNCHRONIZING ON HIGH-VOLTAGE CIRCUIT. EXCITER USED AS STARTING MOTOR.
other and with the lamp /. The latter will glow when the motor e. M. F. Opposes that of the line, provided the connections of either the primary or secondary coils are reversed, the former case being represented in Fig.
What to read after Electric Motors Their Action Control And Application?
You can find similar books in the "Read Also" column, or choose other free books by Francis Bacon Crocker to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
If all three lamps simultaneously become FIG. 80. CONNECTIONS FOR SYNCHRONIZING THREE-PHASE MOTOR.
bright or dark, the connections are correct, and the line switch may be closed at the instant of darkness. It may happen, how- ever, that the lamps do not glow at the same instant but succes- sively. This indicates that the leads are not connected in their proper order. In this case the motor lines should be transposed until the lamps brighten simultaneously. After the machines have SYNCHRONOUS AL...TERNATING-CURRENT MOTOR. 139 been once properly connected their synchronizing can be accom- plished with a single lamp. If the voltage of the circuit is too high for the direct use of lamps, transformers should be inserted as indi- cated in Fig. 81, their secondary coils being in series with each FIG. 8l. CONNECTIONS FOR SYNCHRONIZING ON HIGH-VOLTAGE CIRCUIT. EXCITER USED AS STARTING MOTOR.
other and with the lamp /. The latter will glow when the motor e. M. F. Opposes that of the line, provided the connections of either the primary or secondary coils are reversed, the former case being represented in Fig.
What to read after Electric Motors Their Action Control And Application?
You can find similar books in the "Read Also" column, or choose other free books by Francis Bacon Crocker to read onlineMoreLess
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