| 摘要 |
Provided are hydraulic pumps (32a, 32b) for discharging working oil, a group of hydraulic cylinders (35), a traveling motor (36), an operating device (17) operated to operate/control the group of hydraulic cylinders (35) and the traveling motor (36), an electric motor (33) for driving hydraulic pumps (32a, 32b), a battery (41) for outputting DC power, an inverter (43) for inverting the DC power from the battery (41) into AC power and supplying the power to the electric motor (33), a mode switching means (17a) operated to adjust the magnitude of the AC power supplied to the electric motor (33), and a control device (44) for controlling the adjustment of the magnitude of the AC power supplied to the electric motor (33). |
