Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 43
constructed on OE^ and OE^ as sides.This gives the vector sum of OE^ and OE^,Next construct a parallelogram on OA and0£, as sides; the diagonal OE of this par-allelogram is the vector sum of the threegiven Unes. This line OE is the closingside of the polygon formed by drawing OE^, then drawing OE^… … Fig. 30 Addition of E. M. F.sby Vector Polygon 32 ALTERNATING-CURRENT MACHINERY 23 are connected in series between mains as shown in Fig. 31. If theelectromotive forces of A and B are in phase, the electromotiveforce between the mains will be simply the numerical sum of theelectromotive forces of A…
Electrical engineering
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