motor is converted…
thermal energy into electrical energy;
electrical energy into thermal energy;
mechanical energy into electrical energy;
electrical energy into mechanical energy;
electrical energy into chemical energy.
EMF and current are the same direction in …
anchor of the DC machine is called …
stationary part of the machine DC;
rotating part of DC machine;
of the DC generator that provides AC rectification is …
e) lead-out ends.
can be used as DC motor and Vice versa
b) it is
possible with alterations;
c) you can.
traction DC electric machines are used exclusively …
carbon graphite brushes;
cores of the main poles are recruited from separate sheets,
steel thickness of 0.35 – 0.5 mm, isolated from each other by a layer of
insulation, in order to
reduce the loss of electrical energy;
reduce eddy current losses;
increase of losses in the induction currents;
electrical energy into mechanical energy.
of the core of the main pole facing the surface of the anchor is wider and is
e) brush holder.
armature winding of the DC machine is made of …
insulated copper wire or copper bus;
non-insulated steel wire;
of insulated aluminum wire or steel tire.
the collector plates.
compensating winding improving working conditions of the collector and
brushes have …
the pole tips of the main poles;
anchor DC machine;
the collector of DC machine.
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