Power coordinated control method and device for LCC-VSC direct current transmission system
A technology of LCC-VSC, DC transmission system, applied in the field of power coordination control, can solve the problem of inability to quickly stabilize the active power of LCC-VSC DC transmission system, and achieve the effect of avoiding active power fluctuation and active power stability
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[0048] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0049] figure 1 In the shown hybrid three-terminal LCC-VSC DC transmission system, the control functions of the converter stations at each terminal are arranged in layers, including a DC station control system, a pole-1 pole control system and a pole-2 pole control system. Converter station A includes station A pole 1 control system, station A pole 2 pole control system and station A DC station control system, and converter station B includes station B pole 1 pole control system, station B pole 2 pole control system and station B DC station control system, converter station C includes station C pole 1 pole control system, station C pole 2 pole control system and station C DC station control system. Optical fiber communication is used between the DC station control systems at each end, and optical fiber communication is used between the DC s...
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