Computation method capable of tracking Davinan equivalence parameter base on time domain simulation
A Thevenin equivalent and calculation method technology, applied in the field of value parameters, can solve the problems of large errors in the Thevenin equivalent two-node system and cannot meet the requirements of analysis, and achieves the effects of strong adaptability, fast calculation speed and high precision
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[0061] The following is an implementation example of the present invention: a 3-machine 10-node system is used for simulation calculation as an example. Further explanation is as follows:
[0062] The structure of the above 3-machine 10-node system is as follows figure 1 As shown, two generators supply power to the two loads in the load area through five 500kV busbars, with a total transmission power of 5000MW. The industrial load is connected to the 500kV busbar through a transformer, while the residential and commercial loads pass through two transformers twice. The step-down is connected to the 500kV bus. A large number of parallel compensation devices are used in the load area, and include a 1600MVA generator.
[0063] The method for obtaining the Thevenin equivalent parameters of the system at any load bus in the transient process specifically includes the following steps:
[0064] 1) At time t, when the disturbance starts, the system network algebraic equations generated by...
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