Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 194
THE DIRECT-CUREENT GENERATOR 183 … and the current in them gives what is called the demagnetizingampere-turns because their effect is to produce a weakening ofthe magnetic field of the machine. The remaining turns timesthe current in them are called the cross-magnetizing ampere-turns because they act atright angles . to the…
Electrical engineering
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