Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1182
haveless current capacity. The A will give a lower voltage andhave greater current capacity. Power that can be drawnfrom each is the same. Transformers and other apparatus are wound two, andthree phase, and also Y and A, for use with the correspond-ingly wound alternator. Electric Currents 1147 By… … Fig. 503waves in quadrature Two, three and six phase machinery is often groupedunder name of polyphase. Waves in quadrature.—Fig. 498 shows waves in phase.In Fig. 503 are shown waves in quadrature, that is the
