Abstract
In order to limit the temporary overvoltage, the method of the series current limiting reactor in the line is often used in the power grid to limit the overvoltage. The parameters of current limiting reactance directly affect the level of 50Hz overvoltage. The installation of a current limiting reactor changes the positive and zero sequence impedance parameters of the line, which has an impact on the temporary overvoltage of the line. Installing a current limiting reactor on the 500 kV Line’s overvoltage is studied by using electromagnetic transient calculation software EMTP. The simulation results show that the temporary overvoltage of the 500 kV Line can be reduced by adding a current limiting reactor.
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