Hybrid direct current power transmission system control method and device
A technology of hybrid DC power transmission and control method, which is applied in the output power conversion device, the conversion of AC power input to DC power output, and the conversion of AC power input to AC power output, etc. problem, to achieve the effect of avoiding interruption of power transmission and simple and rapid reversal
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[0024] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] The hybrid direct current transmission system includes a rectifier converter station for connecting the AC grid at the sending end, an inverter converter station for connecting the AC grid at the receiving end, and a DC transmission line for connecting the rectifier converter station and the inverter converter station. The rectifier station is connected to the AC grid at the receiving end through a transformer, the rectifier station includes at least one set of current source converter units, and the inverse converter station includes at least one set of modular multilevel converter units.
[0026] Generally, the rectification converter station adopts the current source converter based on the thyristor device, and the current source converter can be a six-pulse bridge circuit, a twelve-pulse bridge circuit or ...
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