A wind power generating set and its method for realizing low-voltage ride-through protection
A wind turbine, low-voltage side technology, applied in wind power generation, electrical components, circuit devices, etc., can solve problems such as the inability of the unit to transmit electric energy, the failure of the tracking ability of the frequency conversion system of the power grid fluctuation rate unit, and the shutdown of the wind turbine. The effect of precise strategy formulation, enhancement of information interaction ability, and reduction of mechanical loss
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[0032] The present invention is further described in conjunction with accompanying drawing and specific embodiment:
[0033] A wind power generating set, including a doubly-fed motor, a box-type transformer and a transformer; the doubly-fed motor is connected to the low-voltage side of the box-type transformer through two parallel channels of the stator and the rotor, and the stator channel is connected in series with the stator circuit breaker, and the The rotor channel is connected in series with the converter and the rotor circuit breaker. A circuit breaker is installed on the connecting cable between the low-voltage side of the box-type transformer and the two parallel channels. The high-voltage side of the box-type transformer is connected to the power grid. The transformer The high-voltage side of the transformer is connected to the low-voltage side of the box-type transformer and the connecting cable of the two parallel channels, an...
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