HYBRID ELECTRIC SHOVEL
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United States of America Patent
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N/A
Issued Date -
Jul 26, 2012
app pub date -
Jan 26, 2011
filing date -
Jan 26, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A hybrid electric shovel. The hybrid electric shovel includes a main transformer, a first and second converter, a first and second DC motor, a first and second active front end, a first and second motion inverter, and a first and second AC motor. The first converter is coupled to a first secondary winding, and the second converter is coupled to a second secondary winding. The first DC motor is coupled to the first converter, and the second DC motor is coupled to the second converter. The first active front end is coupled to the first secondary winding and to the first motion inverter. The second active front end is coupled to the second secondary winding and to the second motion inverter. The first AC motor is coupled to the first motion inverter, and the second AC motor is coupled to the second motion inverter.
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