Mitsubishi Heavy Industries Limited

Eiji Irie

Tohru Minami

Mitsuyoshi Fukuda

A handy terminal for a wind turbine generator which the maintenance of the wind turbine generator, especially the maintenance work inside the nacelle, can be simplified while considering the safety of the maintenance operator. The handy terminal comprises a tower provided to stand on land or off-shore, a nacelle supported on the tower to be controlled to rotate in the yaw direction and a plurality of rotatable blades attached to the nacelle to be controlled to move their pitch, whereby the handy terminal is connectable to connecting ends respectively provided on the lower portion of the tower and the nacelle so as to perform various control of the wind turbine generator.

Handy terminal for wind turbine generator

A handy terminal for a wind turbine generator, includes a connecting portion connectable to a connector provided in the wind turbine generator, an operating ends group including an operating button to generate an operating signal which selectively validates a control logic within a control circuit provided in the wind turbine generator, and a display portion for displaying the operating state of the operating ends group. The operating ends group includes a mode selecting button for selectively validates one of a maintenance mode and an operating mode of the wind turbine generator; and a rotor turning button for switching to the blades pitch control state in which blades of the wind turbine generator side are driven in the predetermined low speed with adjusting the pitch angle of the blades according to the rotational speed.

Handy terminal for wind turbine generator and wind turbine generator

The present invention provides a maintenance operation method for a wind turbine generator and a wind turbine generator, which can effectively utilize a phase advance capacitor equipped in the wind turbine generator and contribute to the phase factor improvement of the system side. A maintenance operation method for a wind turbine generator including an induction generatordriven by rotation of blades, a power output linefor outputting power of the induction generatorto a distribution system, and at least one phase advance capacitorparallel-connected to the power output line, comprises: a first step of releasing connection between the phase advanced capacitorand the power output linewhen a maintenance mode is selected; and a second step of returning the connection between the phase advanced capacitorand the power output lineby a manual operation or an automatic operation, wherein the phase advance capacitorreturned to the connection with the power output lineperforms a power factor improvement of reactor loadsin the distribution systemside through a linkage portionwith the distribution system

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Tokyo, Japan

Eiji Irie