Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 50
Lack of rhorough Cleaning Results in Breakdown ofRotary Converter Armature By K. A. Reed, Elec. Eng. T t^\\\\l accompanying picture shows, in a fair degree, the extent of thedamage caused by a breakdown of the armature of a 200-kw.rotary converter operating at 275 volts, 1,200 r.p.m., 3 phase,… … air pressure as a result of the use of the hand bellows in cleaning, anappreciable amount of carbon and copper dust from the commutatorbrushes and collector ring brushes accumulated in the armature wind-ing, or perhaps in the equalizers of the armature, and when a grounddeveloped on the winding,…
Locomotives · Steam-boiler explosions
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