Inside Out Library

The practical testing of dynamos and motors (1905)

Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 241

An illustration from The practical testing of dynamos and motors, 1905, leaf 241
ly determined asshown clearly by the curves in Fig. 72. The ordinatesof Curve IT,, give the hysteresis losses at any speed.The ordinates between curves IT,.,, and W^ give thelosses due to eddy currents, while the ordinates betweencurves PT,,.,, and W^■^^ give the friction losses at any speed. The… … 0 100 200 300 400 500 600 700 800 900 1000 Revolutions per minute. Fig. 72.—Separation of Losses in a Dynamo. Wfeh = Watts spent in friction, eddy-currents, and liysteresis.Wffh = Watts spent in eddy-currents and liysteresis.Ifii = Watts spent in liysteresis. exactly identical with the losses which…

Dynamos · Electric motors

Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

More pictures from The practical testing of dynamos and motors

More like this