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 218
iron of the magnetic circuit isworked near saturation or above the knee of the mag-netization curve, the cTiange in speed will not be as greatas it is when the iron is not so near saturation. The in-crease in torque with an increase in load must necessarilybe greater than in the case of a shunt… … Fig. 167 208 PBACTICAL APPLIED ELECTKICITY be-S and armature being connected in series. If the iron islow the knee of the magnetization curve the torque willthen vary practically as the square of the current; when,however, the magnetic circuit is worked above the knee ofthe curve, the variation in…
Electrical engineering
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