Researches of transmission line transformer application in high-voltage pulse source

Abstract

Transmission line transformer (TLT) is a new type of pulse transformer developed by combining theory of transmission lines and principle of transformer, its biggest feature is good high-frequency characteristic, it can reduce the effects of the distributed inductance and the distributed capacitance of the traditional transformer on the transmission of the pulse better. This paper introduces the transmission line transformer theoretical model and its basic principles, the conditions of the best match in the actual project and the actual situation in the waveform distortion caused by impedance mismatch based on transmission line theory and wave catadioptric principle. The transmission line transformer made use of the coaxial cable and the high-permeability Fe-based amorphous magnetic material were put forward, which was apply to the output transform devices and the related high voltage pulse experiment was carried. The results show that the transmission line transformer has good response for the output pulse, the improvement of the rising time, the lower energy consumption and the test result is consistent with the theoretical calculation result.