Small motors, transformers, electromagnets; a practical presentation of design and construction data for small motors, small low- and high-tension transformers, electromagnets, and induction coils (1920)
Stoller, Hugh Montgomery, Austin, F. E. (Frank Eugene), 1873-, Seeger, Edwin Wilbur, 1892- joint author, American Technical Society · Chicago, American Technical Society · leaf 195
r the trans-former under discussion. It will be advisable not to wind theprimary turns of wire nearer than 1 inch from each end of thetube, which would make the coil 14 inches long. Diameter of Tube. The wind-ing of the primary on a roundtube to be slipped over aniron core having a square… … Fig. 23. Method of Finding Diameter ofTube to Encircle Square Core DB=VAB-]-ADSince AB equals AD therefore DB=V2AB=-\/2x2x2=\^8 = 2.82 in. Therefore the diameter of the winding cylinder shown in Fig. 22should be about 2.9 or even 3 inches in diameter. The tube form 182 DESIGN OF SMALL TRANSFORMERS…
Electric motors · Electric transformers · Electromagnets · Induction coils
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