Method for the status estimation of the AC/DC mixed power system
A technology of AC/DC hybrid and state estimation, applied in electrical components and other directions, which can solve problems such as large amount of calculation and large modification.
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[0025] The method for the state estimation of the AC-DC hybrid power system of the present invention firstly sets the AC state variable x corresponding to the AC node at the AC-DC connection B , whose initial value is x B (0) , and set the virtual measurement injected into the DC side at the node at the AC-DC connection as Z″ B , whose initial value is Z″ B (0) ;
[0026] According to the above x B (0) and Z″ B (0) , using Newton's method to iteratively solve the DC state estimation equations, and obtain the estimated value of the DC state variable x D (1) , and its DC state estimation equations are:
[0027] H BD T ( x B , x D ) ...
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