A DC voltage preset control method and application of a voltage source converter
A voltage source converter, DC voltage technology, applied in power transmission and AC networks, etc., can solve the problems of long DC power recovery time, deterioration of DC power grid transient stability, and saturation of AC power grid, so as to shorten the power recovery time, Reduce the risk of lock-up or damage, reduce the effect of impact
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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0037] The invention provides a DC voltage preset control method of a voltage source converter. According to different operating conditions of the converter station, the voltage preset control command value of the DC voltage controller is preset to optimize the DC voltage of the voltage station. Operating characteristics during fault transients, reducing the bridge arm current and DC fault current...
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