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Engineering Electrodynamics by Marek Turowski, Janusz Turowski

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4 Screening of Constructional Parts

4.1 Types and Goals of Screening and Shunting

One of the most effective methods to tackle harmful thermal and power loss effects of big concentrations of leakage fields, affecting constructional elements of electric machines and power equipment, is electromagnetic and magnetic screening (shunting).

As screens, in a broad understanding of this word, we shall call metallic barriers in the form of walls, metal meshes, short-circuited turns, screening magnetic shunts, and so on, whose purpose is protecting regions against external electric or magnetic field, as well as protecting the surrounding environment from the field escaping outside a certain region.

From the point of view of applications, the screens can ...

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