Investigation of Methods of Railway Train Lighting
Investigation of Methods of Railway Train Lighting
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In our eReader you can find the full English version of the book. Read Investigation of Methods of Railway Train Lighting 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 Investigation of Methods of Railway Train Lighting
What reading level is Investigation of Methods of Railway Train Lighting book?
To quickly assess the difficulty of the text, read a short excerpt:
_ Gen. Output "~" The average battery discharge equals 1.86 K. W. Hr.
In order to compensate for battery efficiency of 50%, there should have been 3.7 K. W. Hr. charge. Instead of this it is seen that there was about 7.5 K. W. Hr. (av. of two trips). This leaves 3.8 K. W. Hr. of destructive overcharge which might be eliminated.
3.8 K. W. Hr. at 40 volts = 95. amp. hrs.
Since the generator was operating for about 11 hrs. this would represent an excess of 8.6 amperes in the regulator setting, and... the generator might be set at about 33J4 amperes with all lamps on instead of 42 amperes as at time of test.
DISCUSSION OF RESULTS The most striking of the results observed, and one which is of critical importance to the life of the equipment, is that; the [74] Digitized by VjOOQIC WRAY — METHODS OP RAILWAY LIGHTING 75 batteries are tremendously overcharged on both outgoing and return trips, as is shown by a comparison of the values of en- ergies of battery charge and battery discharge as shown on page 74.
What to read after Investigation of Methods of Railway Train Lighting?
You can find similar books in the "Read Also" column, or choose other free books by Wray, Edward to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
_ Gen. Output "~" The average battery discharge equals 1.86 K. W. Hr.
In order to compensate for battery efficiency of 50%, there should have been 3.7 K. W. Hr. charge. Instead of this it is seen that there was about 7.5 K. W. Hr. (av. of two trips). This leaves 3.8 K. W. Hr. of destructive overcharge which might be eliminated.
3.8 K. W. Hr. at 40 volts = 95. amp. hrs.
Since the generator was operating for about 11 hrs. this would represent an excess of 8.6 amperes in the regulator setting, and... the generator might be set at about 33J4 amperes with all lamps on instead of 42 amperes as at time of test.
DISCUSSION OF RESULTS The most striking of the results observed, and one which is of critical importance to the life of the equipment, is that; the [74] Digitized by VjOOQIC WRAY — METHODS OP RAILWAY LIGHTING 75 batteries are tremendously overcharged on both outgoing and return trips, as is shown by a comparison of the values of en- ergies of battery charge and battery discharge as shown on page 74.
What to read after Investigation of Methods of Railway Train Lighting?
You can find similar books in the "Read Also" column, or choose other free books by Wray, Edward to read onlineMoreLess
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