A single-three-phase mixed power flow calculation method based on node current injection
A technology of power flow calculation and node current, which is applied in the direction of circuit devices, AC network circuits, design optimization/simulation, etc., can solve problems affecting algorithm convergence and insufficient modeling flexibility, and achieve dimensionality reduction, dimensionality reduction, Guaranteeing the effect of accuracy
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[0024] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0025] A single-phase three-phase mixed power flow calculation method based on node current injection, comprising the following steps:
[0026] Step 1. Build as figure 1 The single-phase and three-phase hybrid model for distribution network power flow calculation is shown;
[0027] The concrete steps of described step 1 include:
[0028] (1) According to the three-phase symmetry, the distribution network is divided into three-phase symmetrical network with better symmetry and three-phase asymmetrical network with obvious asymmetry, and the three-phase symmetrical network with better symmetry is analyzed by single-phase power flow. Three-phase power flow analysis is adopted for the three-phase asymmetric network in the obvious part of asymmetry.
[0029] In this example, if figure 1 As shown, E is the three-phase symmetrical node set in the sing...
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