Testing system for detecting characteristics of offshore wind power flexible direct current transmission converter
A flexible direct current transmission and test system technology, applied in the field of test systems, can solve problems such as complex structure, small capacity, and complex main circuit topology, and achieve the effects of satisfying rectification control requirements, reducing steady-state errors, and improving dynamic characteristics.
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[0030] The present invention will be further described below in conjunction with accompanying drawing.
[0031] see figure 1 , the figure shows the test system for detecting the characteristics of the offshore wind power flexible direct current transmission converter of the present invention, including the rectification side unit and the main control module 1 connected thereto, and the rectification side unit includes an isolation transformer T and a reactor L connected in sequence It is connected with the converter 4 and the filter module 2 whose input terminal is connected between the isolation transformer T and the reactor L and whose output terminal is grounded. The isolation transformer T is connected to the AC system 9 of the wind farm. The main control module 1 includes an AC voltage and current sensor, DC voltage sensor, DC voltage control module, AC voltage control module, reactive power control module, active power control module, inner loop current control module 3,...
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