Abstract: A novel saturated core high temperature superconducting fault current limiter（HTSCFCL） is developed in this paper. In normal operating conditions, iron yokes were s a t u r a t e d by a s i n g l e D C c u r r e nt h i g h t e m p e r a t u r e superconducting coil and no current limiting mode occurs. It is firstly discovered that the capability of limiting fault currents is decreased at the time of fault, harmonics is suppressed and the waveform distortion of normal alternating current is decreased depending on the DC current in the DC superconducting winding. An idea is to turn the SSTS2 off and to put a resistor R0 in series with the AC copper coil absorbing the incoming energy into the AC coil, and to turn the SSTS1 off to disconnect the DC voltage source from the DC high temperature superconducting coil to control the fault current in a predetermined area. The operating property of the novel high temperature fault current limiter is discussed, and the influence of parameter variety of the high temperature superconducting current limiter is analyzed on limiting fault currents. The experimental and simulation results show that the device is of good capabilities of limiting fault currents and re-closing, and demonstrate that the device can decrease both the steady-state and transient short-circuit currents significantly. The device is of great benefit to improve the electrical energy quality ofpower systems and to enhance transient stability.