A calculation method of saturated load based on short-circuit current constraint
2017
Saturated load is city's maximum affordable load, which is very important for urban development planning. As the power grid matures, the short-circuit current gradually becomes the key factor affecting the security of power grid, it is urgent to analysis the saturated load based on grid technology constraint of short-circuit current. In the paper, firstly, the regular pattern of power supply partition is put forward. Secondly, the typical partition structure model is extracted and the relationship between the model parameters and the actual power supply is deduced. Furthermore, a new method of calculating the saturated load level of power grid is proposed with the consideration of different partition structures and different power supply growth modes. Finally, the saturated load of an actual grid is calculated and the accuracy and effectiveness of the method is verified.
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