Calculation method of single-phase multi-feed-in interaction effect factor based on impedance matrix
A multi-feed interaction and action factor technology, applied in the field of single-phase multi-feed interaction factor calculation, can solve problems such as heavy workload and long calculation time, and achieve clear definition, simple calculation method, and clear physical meaning. Effect
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[0026] The calculation method of the single-phase multi-feed interaction factor based on the impedance matrix of the present invention comprises the following steps:
[0027] 1) Taking the multi-infeed AC / DC power grid receiving end system as the research object, determine the DC converter station to be studied, assuming that there are N locations in the DC converter station to be studied;
[0028] 2) Calculate the self-impedance Z of converter station i in the positive and negative zero-sequence impedance matrix of the multi-infeed AC-DC grid to be studied ii-1 ,Z ii-2 ,Z ii-0 and the mutual impedance Z between converter station i and converter station j ij-1 ,Z ij-2 ,Z ij-0 , i=1, 2,...N, j=1, 2,...N, and calculate the sum Z of the positive and negative zero-sequence self-impedance of the converter station i ii and the sum Z of positive and negative zero-sequence mutual impedance between converter station i and converter station j ij ;
[0029] 3) Calculate the single...
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