Abstract

S. H. Mortensen: Mr. Wieseman's paper brings out, clearly, the fact that two-speed synchronous motors can be built economically, and that a machine of this kind properly proportioned will practically maintain all the virtues of the standard salient-pole synchronous motor. The field of application for a motor of this kind is at the present time rather limited. The only application the speaker can think of in addition to the ones Mr. Wieseman has mentioned is that for driving two-speed pumps such as are sometimes used with condenser installations.

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