Work system

A work system comprising:

• a plurality of working machines each including a working unit;
• and
• a power feeding device configured to supply power to the plurality of working machines, wherein
• the plurality of working machines includes a plurality of types of working machines different in amount of power required to drive the working unit,
• the power feeding device includes at least one first power transmission unit configured to wirelessly transmit power to a working area of the plurality of working machines,
• each of the plurality of working machines includes a power reception unit configured to receive the power wirelessly transmitted to the working area,
• the working machine includes:
• a traveling unit including a motor as a drive source;
• and
• a second power transmission unit configured to wirelessly transmit regenerative power of the motor, and
• the second power transmission unit wirelessly transmits the regenerative power to another working machine that performs work in the working area.

A work system comprising:

• a plurality of working machines each including a working unit;
• and
• a power feeding device configured to supply power to the plurality of working machines, wherein
• the plurality of working machines includes a plurality of types of working machines different in amount of power required to drive the working unit,
• the power feeding device includes at least one first power transmission unit configured to wirelessly transmit power to a working area of the plurality of working machines,
• each of the plurality of working machines includes a power reception unit configured to receive the power wirelessly transmitted to the working area,
• the working machine includes:
• a traveling unit including a motor as a drive source;
• and
• a second power transmission unit configured to wirelessly transmit regenerative power of the motor,
• the system further comprises:
• a first measurement unit configured to measure an amount of power received by the power reception unit;
• a second measurement unit configured to measure an amount of power transmitted by the second power transmission unit;
• and
• a charging information generating unit configured to generate charging information based on results of measurement by the first measurement unit and the second measurement unit.