Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 305
292 ]Iote.— Connection of Static Transformers and RotaryConverters. In the use of rotary transformers two or more of these machines are some-times connected in multiple to the secondary of the static transformers, andtheir direct current leads then connected in multiple to a common bus barcircuit,… … mu WW ROTARY ROTARY Fig. : Fig. 87. With tbe above connections currents are often formed in the rotaries thatdisturb the point of commutation, and it becomes practically impossible toadjust the brushes so they will not spark. Rather than connect across inthe above manner, it is better that each…
Electrical engineering
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