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 364
es is notpositive throifghout thecycle, but it is negative insign fcr a portion of thetime and, as a result, partof the curve (P) is belowthe horizontal line. Theloops of the curve (P) abovethe horizontal line representan output from the sourceof energy and the loops be-low the horizontal line… … 360 Fig. 291 354 PRACTICALr APPLIED ELECTRICITY I are no lower loops, and the power in the circuit might bethought of as all being positive. If the current and the e.m.f.be displaced in phase by 90 degrees, the upper and lowerloops are equal in area and the resultant power is zero. The current in…
Electrical engineering
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