Optimal control method for overvoltage of 500kv cables and overhead hybrid lines
A hybrid line, optimal control technology, applied in the direction of AC network voltage adjustment, etc., can solve the problems of lack of research results, lack of overvoltage research, influence of stable operation of power grid, etc., to achieve the effect of satisfying economic operation
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[0054] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.
[0055] refer to figure 1 As shown, the 500kV cable and overhead hybrid line overvoltage optimization control method of the present invention comprises the following steps:
[0056] Step 1: Establish the model of 500kV cable and overhead hybrid line, calculate the value of power frequency overvoltage for various cable laying methods, and select the cable laying method corresponding to the smallest value of power frequency overvoltage to establish as 500kV cable and overhead hybrid line cable laying method;
[0057] Step 2: Based on the cable laying method of 500kV cables and overhead hybrid lines established in step 1, calculate the power frequency overvoltage values for various cable arrangements, and select the cable arrangement corresponding to the smallest value of power frequency overvoltage to establish as 500kV cables and cable ...
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