Abstract
With an increasing demand for electric power, the electric power system becomes more and more complicated. Therefore, the supply of electric power with stability and high reliability is required. However, we have two big problems, that are a large fault current and power system unstability. In particularly, fault currents occuring in power system tend to increase. To solve this problem, superconducting fault current limiters (SCFCLs) are developed. The SCFCL is not only the problems of fault currents but also the power system stability are expected to be solved.
This paper describes experimental results about SCFCL, on improvement of power system stability and supressing fault currents by using power transmission simulators. The experiment by using R-type SCFCL in power system have been done. The R-type SCFCL is simulated by using a resistor and an electromagnetic contactor with thyristors. It is found that the SCFCL in the electric power system gives the improvement of the supressing fault current and power system transient stabilities.
