Abstract
This paper presents a new theorem for equalizer of d-c machinery and a simple method of estimating its required size, for d-c lap windings under some assumed type of unbalance, by an equation derived from the conventional revolving field theory of polyphase induction motors. It is shown that only a very small conductor section will be sufficient for ordinary anticipated type of unbalance. In reaching the equation, power limits of various types of d-c armature windings as a consequence of the permissible voltage between adjacent commutator bars are discussed.
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Schedule a callMore From: Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems
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