In a hybrid working machine, a hydraulic pump (21) is driven with the output of an engine (30) and the output of a motor generator (34). The input side power (Win) of the hydraulic pump (21) is calculated, and the output of the motor generator (34) is cont...

Provided is a working machine capable of decreasing a voltage of a DC busbar (DC bus) with a configuration suppressing a degradation in reliability. [0002] A hybrid type construction machine as a working machine includes: a DC bus which is connected to a r...

A hybrid-type construction machine includes: a motor generator system connected to an internal combustion engine and performing a motor generator operation; an electric power accumulation system connected to the motor generator system; a load drive system ...

A hybrid construction machine includes an engine (11), a hydraulic pump (14) configured to be driven by the engine (11), an electric motor (12) configured to assist the driving of the engine (11), and a generator (12) configured to be driven by the engine ...

A working machine includes: a first electric motor used for work; a second electric motor used for applications other than work; a first inverter circuit connected to the first electric motor; a second inverter circuit connected to the second electric moto...