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With the development of the national economy, the contradiction between the power supply capacity and the actual power demand in some areas is becoming more and more obvious, facing the problems of line channel blockage and limited substation transmission capacity during the peak of power consumption such as the peak summer; when the N-1 and N-2 operation mode occurs in some areas, it will directly affect the load transmission, and even endanger the stable operation of the power grid and the safety of power transmission and transformation equipment.

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With the development of the national economy, the contradiction between the power supply capacity and the actual power demand in some areas is becoming more and more obvious, facing the problems of line channel blockage and limited substation transmission capacity during the peak of power consumption such as the peak summer; when the N-1 and N-2 operation mode occurs in some areas, it will directly affect the load transmission, and even endanger the stable operation of the power grid and the safety of power transmission and transformation equipment.