2. Power generation
In autonomous traction, energy is generated by an internal combustion engine. . The most frequently used is the turbocharged diesel engine, although turbochargers are also used in a few cases. Electrical drive is provided by a three-phase alternator, coupled to the diesel engine's crankshaft. Auxiliary power is supplied by :
or via a dedicated winding wound on the alternator stator;
an auxiliary alternator flange-mounted on the main alternator.
The main alternator delivers three-phase voltage at variable frequency and voltage, rectified by a three-phase diode bridge.
Today's power schemes generally use induction motors powered by IGBT inverters. These are identical in every respect to those used in electric traction....
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Power generation
Catchment and protection
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