Power supply capability assessment method based on improved benders decomposition method
A technology of power supply capacity and decomposition method, applied to electrical components, circuit devices, AC network circuits, etc., can solve problems such as falling into local optimal solutions, low efficiency of parallel strategy iteration, and increased computing time
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[0085] This embodiment provides a power supply capability evaluation method based on the improved benders decomposition method, the flow chart is as follows figure 1 shown, including the following steps:
[0086] Step 1), establish a power supply capacity model considering N-1 static security constraints, the model takes the maximum power supply capacity as the optimization goal, and the constraints include load, generator capacity, line thermal stability in normal operation mode and N-1 operation mode limits, node voltages, and generator ramp constraints, and simplify the model to vector form;
[0087] Step 2), input grid data, initialize variable data, set the relaxation matrix, core accident set and cut set constraints of the main problem to zero, and a grid component N-1 accident is regarded as a sub-problem;
[0088] Step 3), in the small loop, based on the benders decomposition method, decompose the above model into a main problem in normal operation mode and several su...
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