Power Consumption Tests of a Bascule Bridge
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In our eReader you can find the full English version of the book. Read Power Consumption Tests of a Bascule Bridge 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 Power Consumption Tests of a Bascule Bridge
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The matter of series or parallel connections lias been a "bone of contention among desigaers of bridge macMnery for a long-time, and it was hoped that this test would prove that the motors operated efficiently under parallel control.
The results show clearly and conclusively that such is the case. Curves II3A v;est leaf and IIIB east leaf on pages 42 and 43, show tlie action of the motors.
The results on either leaf are practically the same.
The upper part of curve Illk. was obtained as fol- lo...ws: The wattmeter was connected to record the total pow- er until thirteen seconds, T;*ien one of the leads to the south motor was disconnected and the north motor allowed to record alone. At 17 seconds the south motor was again con- nected and the north motor immediately disconnected. At 21 seconds the north 'motor was again connected and both allowed to record until the power was shut off. On the downward movement the same scheme was followed.
The middle curve was obtained by making a complete run with only the north motor connected to the meter and the lower curve by mating a complete run with only the south motor connected.
What to read after Power Consumption Tests of a Bascule Bridge?
You can find similar books in the "Read Also" column, or choose other free books by Schreiber, Armin L to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The matter of series or parallel connections lias been a "bone of contention among desigaers of bridge macMnery for a long-time, and it was hoped that this test would prove that the motors operated efficiently under parallel control.
The results show clearly and conclusively that such is the case. Curves II3A v;est leaf and IIIB east leaf on pages 42 and 43, show tlie action of the motors.
The results on either leaf are practically the same.
The upper part of curve Illk. was obtained as fol- lo...ws: The wattmeter was connected to record the total pow- er until thirteen seconds, T;*ien one of the leads to the south motor was disconnected and the north motor allowed to record alone. At 17 seconds the south motor was again con- nected and the north motor immediately disconnected. At 21 seconds the north 'motor was again connected and both allowed to record until the power was shut off. On the downward movement the same scheme was followed.
The middle curve was obtained by making a complete run with only the north motor connected to the meter and the lower curve by mating a complete run with only the south motor connected.
What to read after Power Consumption Tests of a Bascule Bridge?
You can find similar books in the "Read Also" column, or choose other free books by Schreiber, Armin L to read onlineMoreLess
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