Articles liés à Dynamos, Motors, Alternators, and Rotary Converters
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Synopsis
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
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Présentation de l'éditeur
The present edition of Mr. Kapp swork, published originally in England, is a translation of the third German edition, which has been revised and much enlarged by the author. In this edition reference to stationary transformers has been omitted, since the matter has been fully dealt with in a separate work by the author. The third edition further differs from the previous ones in the more thorough treatment of sparking in direct-current machines, of magnetic leakage, of direct-current armature windings, and of the excitation and compounding of such machines. The armature windings and armature reactions of alternators have also been much more fully dealt with. The chapters dealing with rotary field motors and rotary converters are new, as is also the theory of the hunting of parallel-coupled alternators. This book is further supplemented from the practical standpoint by the authors work entitled Dynamo Construction: Electrical and Mechanical. Mr. Kapp has endeavoured to present the calculations in as simple a form as possible, and, above all, to substitute where practicable graphical for analytical methods, or at least to employ both. It will be observed that the book is intended particularly for technical readers, and contains practical suggestions of great value, enabling the problems which present themselves in the design of machines to be dealt with with all the accuracy needed in practice. On the other hand, no extremely long calculation will be found in it, nor any not having an immediate application. The author regards the factors to be taken into account in the design of a dynamo as being too numerous to permit of the introduction of all into the calculation, which can consequently only be an approximation, and considers it useless to strive to attain a fancied exactitude. The authors methods and skill in approximations cannot fail to appeal to technic
(Typographical errors above are due to OCR software and don't occur in the book.)
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