Electricity And Magnetism for Engineers
Electricity And Magnetism for Engineers
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In our eReader you can find the full English version of the book. Read Electricity And Magnetism 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 Electricity And Magnetism for Engineers
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Experiment shows that except for the lower values of the flux density, the "rising" and the "alternating" magnetic character- istics practically coincide. For engineering purposes, the alternating magnetic characteristic is the more important. The alternating characteristic may be conveniently referred to as the "normal" B-H curve.
Normal B-H curves for sheet steel, soft cast steel, cast iron, cobalt and nickel are given in Fig. 76, and the corresponding reluctivity curves ( - against Hj in Fig.... 77. The ciurves for iron and steel give the average values of the various quantities de- termined from a large number of tests made in the laboratories of the General Electric Co. The curves for nickel and cobalt are from data given in Steinmetz's "Theory and Calculation of Electric Circuits." The ciurves for "annealed sheet steel" refer to low-carbon sheet steel made especially for electrical machinery, and specially annealed. Silicon steel (i.e., steel containing about 3 per cent, of silicon) has a permeability about 10 per cent, less than that of this "standard" sheet steel, except for flux densities below 10,000 gausses.
What to read after Electricity And Magnetism for Engineers?
You can find similar books in the "Read Also" column, or choose other free books by Harold Pender to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Experiment shows that except for the lower values of the flux density, the "rising" and the "alternating" magnetic character- istics practically coincide. For engineering purposes, the alternating magnetic characteristic is the more important. The alternating characteristic may be conveniently referred to as the "normal" B-H curve.
Normal B-H curves for sheet steel, soft cast steel, cast iron, cobalt and nickel are given in Fig. 76, and the corresponding reluctivity curves ( - against Hj in Fig.... 77. The ciurves for iron and steel give the average values of the various quantities de- termined from a large number of tests made in the laboratories of the General Electric Co. The curves for nickel and cobalt are from data given in Steinmetz's "Theory and Calculation of Electric Circuits." The ciurves for "annealed sheet steel" refer to low-carbon sheet steel made especially for electrical machinery, and specially annealed. Silicon steel (i.e., steel containing about 3 per cent, of silicon) has a permeability about 10 per cent, less than that of this "standard" sheet steel, except for flux densities below 10,000 gausses.
What to read after Electricity And Magnetism for Engineers?
You can find similar books in the "Read Also" column, or choose other free books by Harold Pender to read onlineMoreLess
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