Converter station reactive power optimization method considering main transformer low-voltage side reactive power compensation device
A technology of main transformer low-voltage side and compensation device, applied in reactive power compensation, reactive power adjustment/elimination/compensation, circuit devices, etc., can solve problems such as unreasonable use of resources, unintelligent operation, and equipment heating
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[0080] Taking the inverter station of a ±500kV DC transmission project as an example, the rated transmission power of the converter station is 3200MW, and 12 groups of AC filters are configured on the AC 500kV side, and the rated reactive power compensation capacity of a single group filter is 168Mvar; Transformer, the 35kV side of the main transformer is equipped with (4×60Mvar) low capacity and (6×60Mvar) low reactance, Qcontrol function setting Q exp ∈(-230,0). Table 1 shows the recommended AC filter switching strategy under the bipolar full-voltage operation mode.
[0081] Table 1 Recommended switching strategy of AC filter under bipolar full voltage operation mode of converter station
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[0083]
[0084] In the table, A stands for A-type AC filter, A-type: DT11 / 24168MVar, that is, tuning times 11, 24, single-group reactive power compensation capacity 168MVar; B stands for B-type AC filter, B-type: TT3 / 13 / 36168MVar, That is, the tuning times are 3, 13, and 3...
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