A method for calculating short-circuit current of a power network with a high-temperature superconducting current limiter

The invention discloses a method for calculating short-circuit current of a power network with a high-temperature superconducting current limiter, comprising the steps of establishing a short-circuitcurrent calculation method with a high-temperature superconducting current limiter and a high-temperature superconducting current limiter; Short-circuit current calculation model of FCL; inputting grid data and fault information into the model; simplifying the original network; constructing the admittance matrix of the simplified network; triangulating the admittance matrix; solving the voltage vector by the forward-backward substitution method; recalculating the impedance of the nonlinear branch according to the voltage vector, and updating the admittance matrix; calculating the sum of the currents of adjacent branches of the fault node, and further calculating the current deviation; judging whether the current deviation is less than a preset threshold value, and if so, completing the calculation; injecting the t