The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 227
nother with aconstant excitation, a scale of speeds may be added tocurve plotted with volts as abscissae, as shown in Fig. 64.In the case there illustrated, the speed at 110 volts was1,390. The scale of revolutions per minute was, there-fore, set off accordingly, and the same curve now givesthe… … mJL^ ^^^^1 I^i I ^T iJL^^ I H l n i 0 200 400 600 800 1000 1200 Revolutions per minute. Fig. CI.—Detkrmi.nation of Xo-lovd Losses in a Dynamo. 1400 curve. The armature resistance was -2 ohm, and thuswith even the maximum current observed, the productC R^ was less than 1 watt. Since the iron losses…
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
