Abstract
A fast fault current limiter based on La 0.67 Ca 0.33 MnO 3 films and designed in the shape of a co-planar 50 Q impedance transmission line is presented. The limiter is intended to protect the input circuits of high frequency wide band electronic devices. The operation of this limiter is based on fast electroresistance phenomenon in manganites. The main behaviour of this phenomenon at temperatures close to its phase transition temperature T m was studied. It was demonstrated that the specific resistance of the film decreases exponentially with increase of electric field. The experimental results of losses induced by the fault current limiter in a 50 Ω impedence transmission line for nonlimiting and limiting regimes are presented. The phenomenological relation between input and output voltage transients' amplitudes of transmission lines protected by such limiter is obtained.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
