CPC B60W 10/30 (2013.01) [B60K 1/00 (2013.01); B60W 10/08 (2013.01); B60W 20/13 (2016.01); E02F 7/06 (2013.01); E02F 9/2075 (2013.01); E02F 9/2217 (2013.01); H02J 7/14 (2013.01); H02J 7/1438 (2013.01); B60W 2300/17 (2013.01)] | 19 Claims |
1. A material processing apparatus comprising a power supply system, the power supply system comprising:
an internal combustion engine;
an electrical system comprising an electrical power supply configured to supply electrical power to at least one electrically powered component;
an electrical power inlet for receiving electrical power from an external electrical power supply;
a material processing unit that is operable in a working state only by one or more of said at least one electrically powered component;
a hydraulic system comprising a hydraulic power supply configured to supply hydraulic power at least one hydraulically powered component;
at least one controller for controlling the operation of said power supply system,
wherein said electrical power supply comprises at least one battery and an electrical generator, and wherein said internal combustion engine is mechanically coupled to said electrical generator in order to drive said electrical generator,
and wherein said at least one controller is configured to operate said power supply system in any one of at least two power supply modes in at least one of which said at least one battery and/or said electrical generator supply electrical power to said at least one electrically powered component,
and wherein in at least one of said modes said internal combustion engine is switched off and said one or more of said at least one electrically powered component is powered by said at least one battery and/or by said external electrical power supply via said electrical power inlet to operate said material processing unit in said working state.
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