Emergency power supply device
A technology for emergency power supply and wind power generation device, which is applied in emergency power supply arrangement, circuit device, wind power generation and other directions, and can solve problems such as failure of blade adjustment system.
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[0034] in the attached figure 1 A schematic diagram of a wind power generation device 1 is clearly shown in , and the wind power generation device includes a tower body 3 erected on a base 2 , and a machine room 4 is arranged at the end of the tower body 3 away from the base 2 . The machine room 4 has a support (frame) 5 on which is supported a rotatable rotor 6 comprising a rotor hub 7 and a plurality of rotor blades 8, 38 and 39 connected to the hub (see Figure 4 ). The rotor 6 is mechanically connected to a generator 9 which is arranged in the machine room 4 and is fastened to the frame 5 .
[0035] A rotor blade adjustment system 10 is arranged in the rotor hub 7, the system 10 comprising an emergency power supply device 11 according to an embodiment of the invention and a blade angle adjustment drive 12, by means of which the rotor blades 8 , 38 and 39 can rotate around their respective longitudinal axes 13, 40 and 41 relative to the rotor hub 7 (see Figure 4 ). The...
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