For single-motor application d-c chopper regulator was connected to existing control by changeover switch; motor and battery halves were connected in series-parallel in two-motor battery locomotive; braking is performed by regrouping power elements; stepless control enables better use to be made of adhesion weight; similar thyristor chopper regulator control may also be adapted to battery railcars.
Improvements in storage battery locomotives
Ry Gaz
Railway Gazette ; 122 , n 16
1966
2 pages
Aufsatz (Zeitschrift)
Englisch
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