Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1182
eless 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 a… … 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