High-Tension Underground Electric Cables: a Practical Treatise for Engineers
High-Tension Underground Electric Cables: a Practical Treatise for Engineers
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In our eReader you can find the full English version of the book. Read High-Tension Underground Electric Cables: a Practical Treatise for Engineers 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 High-Tension Underground Electric Cables: a Practical Treatise for Engineers
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To quickly assess the difficulty of the text, read a short excerpt:
to further insure imperviousness. This is covered with "tanned jute" and armored with No. 18 steel wire 3 m.m. in diameter. As three of these cables are required for three-phase operation an interesting plan was adopted in order to avoid undue self-induction; each of the steel wires used in armoring was wrapt with tarred hemp before being wound around the insulated conductor. The result of this experiment seems to be satisfactory, as the drop of pressure due to self-induction is reported to hav...e been reduced to the same amount as the drop due to the ohmic resistance.
Connecting the generating station and transformer house of the Ontario Power Company at Niagara Falls, are some high voltage "graded" cables.
Variation in the capacity of rubber used for "grad- ed" cable is obtained by "loading" it with other sub- stances such as talc, zinc, etc., while the capacity of paper may be similarly varied by changing the quality of the paper or the process of impregnating. The process used at present for impregnating cables has the effect of sometimes giving the greater dielectric strength and capacity where they are not wanted, namely, in the outer layers Of the insulating material.
What to read after High-Tension Underground Electric Cables: a Practical Treatise for Engineers?
You can find similar books in the "Read Also" column, or choose other free books by Henry Floy to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
to further insure imperviousness. This is covered with "tanned jute" and armored with No. 18 steel wire 3 m.m. in diameter. As three of these cables are required for three-phase operation an interesting plan was adopted in order to avoid undue self-induction; each of the steel wires used in armoring was wrapt with tarred hemp before being wound around the insulated conductor. The result of this experiment seems to be satisfactory, as the drop of pressure due to self-induction is reported to hav...e been reduced to the same amount as the drop due to the ohmic resistance.
Connecting the generating station and transformer house of the Ontario Power Company at Niagara Falls, are some high voltage "graded" cables.
Variation in the capacity of rubber used for "grad- ed" cable is obtained by "loading" it with other sub- stances such as talc, zinc, etc., while the capacity of paper may be similarly varied by changing the quality of the paper or the process of impregnating. The process used at present for impregnating cables has the effect of sometimes giving the greater dielectric strength and capacity where they are not wanted, namely, in the outer layers Of the insulating material.
What to read after High-Tension Underground Electric Cables: a Practical Treatise for Engineers?
You can find similar books in the "Read Also" column, or choose other free books by Henry Floy to read onlineMoreLess
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