Direct-current continuous commutation failure suppression method utilizing regulation capability of multifunctional energy storage device
An energy storage device and commutation failure technology, applied in the field of electric power, can solve problems such as DC continuous commutation failure and DC blocking, and achieve the effects of suppressing continuous commutation failure, reducing reactive power loss, and improving safety and stability
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[0034] The technical solutions provided by the present invention will be described in detail below in conjunction with specific examples. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.
[0035] The DC continuous commutation failure suppression method utilizing the adjustment capability of the multi-functional energy storage device provided by the present invention, its flow is as follows figure 1 shown, including:
[0036] Step S1: Real-time monitoring of the change of the arc extinguishing angle γ of the converter valve of the DC system to determine whether a commutation failure occurs in the DC system; to determine whether a commutation failure occurs in the DC system, the specific implementation method is to compare the arc extinguishing angle γ of the converter valve with Valve inherent limit arc extinguishing angleγ min The relationship bet...
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