System for improving low voltage ride-through capability of doubly-fed pumped storage unit and control method thereof
A pumped-storage unit and low-voltage ride-through technology, applied in the direction of AC network load balancing, single-network parallel feeding arrangement, etc., can solve the problem of inability to control the rotor side overcurrent, the inability to protect the rotor side converter, and affect the stable operation of the system, etc. problem, to achieve the effect of improving low voltage ride-through capability, suppressing rotor side overcurrent, and ensuring voltage
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[0052] The following describes the implementation of the present invention through specific specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and the features in the embodiments can be combined with each other if there is no conflict.
[0053] It should be noted that the illustrations provided in the following embodiments only illustrate the basic idea of the present invention in a schematic way, so the figures only show the components related to the present invention instead of the actual implementation of the number, shape and For...
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