Compensation method fast decomposition method power flow calculation method for branch network with small impedance
A technology of power flow calculation and low impedance, applied in the direction of calculation, design optimization/simulation, electrical digital data processing, etc., it can solve the problems of divergence, poor convergence, non-convergence, etc. Effect
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[0115] Below in conjunction with accompanying drawing, the present invention is further described, according to Figure 2-3 The flow shown is calculated for two calculation examples of IEEE14-node system (test data of Institute of Electrical and Electronics Engineers 14-node system) and a 445-node actual system. As a comparison, two existing patented methods are used to calculate the calculation example , each method used sparse matrix technology and node optimization numbering technology during calculation. The convergence precision ε of power flow calculation is 0.00001.
[0116] The rapid decomposition method of two existing patented methods are respectively:
[0117] Existing patent method 1: the method proposed by patent ZL201510346974.X.
[0118] Existing patent method 2: the method proposed by patent ZL201610826604.0.
[0119] Figure 5 It is an IEEE14 node system. In order to verify the influence of the small impedance branch on the convergence of the method, the b...
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