The Design of Alternate Current Transformers
The Design of Alternate Current Transformers
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In our eReader you can find the full English version of the book. Read The Design of Alternate Current Transformers 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 Design of Alternate Current Transformers
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X *i25in. ) insulated to ("640 x '165) wound in nine layers of two turns each.
r = "0167 ohm ; loss, i per cent. ; weight 38*7^.
Losses Iron 168 watts, or 2*81 percent.
Copper, primary ... 60, or ro, Copper, secondary 60, or ro, Total ......... 288 watts 4*81 per cent.
Therefore the efficiency at full load is 6, 000 g5 ' 4 per Cent ' The watts wasted at no load are 168, and the apparent watts at no load are 2, 000 x '130 = 260.
/TO Therefore the power factor will be -- = '646.
The weight of iro...n = 526 lb. , at 4d. Per Ib. = 175*55. Copper = 75'7lb. , at iod. Perlb. = 63-15.
Total 6oi'7lb. 238-65.
= loolb. And 39*85. Per kilowatt.
Alternate Current Transformers. 57 The ratio of the weight of copper to weight of iron is "144.
The iron in this transformer provides the greater part of the cooling surface, and the laminations as placed act well as radiators. The total surface of iron exposed to the air is 1, 358 square inches, and the ends of the copper coils, with insulation, provide about 132 square inches more.
What to read after The Design of Alternate Current Transformers?
You can find similar books in the "Read Also" column, or choose other free books by Robert Willsher Weekes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
X *i25in. ) insulated to ("640 x '165) wound in nine layers of two turns each.
r = "0167 ohm ; loss, i per cent. ; weight 38*7^.
Losses Iron 168 watts, or 2*81 percent.
Copper, primary ... 60, or ro, Copper, secondary 60, or ro, Total ......... 288 watts 4*81 per cent.
Therefore the efficiency at full load is 6, 000 g5 ' 4 per Cent ' The watts wasted at no load are 168, and the apparent watts at no load are 2, 000 x '130 = 260.
/TO Therefore the power factor will be -- = '646.
The weight of iro...n = 526 lb. , at 4d. Per Ib. = 175*55. Copper = 75'7lb. , at iod. Perlb. = 63-15.
Total 6oi'7lb. 238-65.
= loolb. And 39*85. Per kilowatt.
Alternate Current Transformers. 57 The ratio of the weight of copper to weight of iron is "144.
The iron in this transformer provides the greater part of the cooling surface, and the laminations as placed act well as radiators. The total surface of iron exposed to the air is 1, 358 square inches, and the ends of the copper coils, with insulation, provide about 132 square inches more.
What to read after The Design of Alternate Current Transformers?
You can find similar books in the "Read Also" column, or choose other free books by Robert Willsher Weekes to read onlineMoreLess
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