Identification method of transient state stable key transmission cross-section of electric power system fault
A technology of transient stability and power transmission section, applied in electrical components, circuit devices, AC network circuits, etc., can solve problems such as complex operation conditions, impossible to fully reflect the system operation state, and no consideration of transient stability.
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[0016] Attached below figure 1 , the method of the present invention is described in detail.
[0017] figure 1 Step 1 in the above describes the time-domain simulation calculation of the expected fault, that is, according to the power system operation mode and the corresponding model and parameters, for the expected fault, the time-domain simulation method is used to calculate the power system operation trajectory under the expected fault;
[0018] figure 1 Step 2 in the above describes the quantitative evaluation of transient safety and stability based on the expected fault time domain simulation calculation, that is, the critical group of generators is identified by EEAC, and the participation factors of each generator in the critical group are calculated;
[0019] figure 1 Step 3 in the above describes the calculation of the power sensitivity of the generator output to the section, that is, for the initial operation mode, the power flow sensitivity analysis method is use...
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