Features of Current Passage Processes in Liquid Dielectrics at the Injection and Dissociation Mechanisms of Charge Formation
V. A. Chirkov, Y. K. Stishkov, and A. A. Sitnikov
St. Petersburg State University, Russia
Abstract- The paper presents the results of the experimental research into the effect of charge formation mechanism (CFM) on the features of current passage processes in liquid dielectrics. The current-voltage characteristics obtained with the sawtooth voltage modulation (the dynamical current-voltage characteristics) underlie the investigation. The special method for the experimental revealing the criteria of the prevalence of the injection or dissociation CFMs was developed and described in detail. Two limiting cases when only one CFM prevailed were realized and investigated. A number of features of current passage processes revealed in the numerical research earlier were experimentally examined and confirmed.
Keywords-Dynamical current-voltage characteristic, hysteresis, field-enhanced dissociation, conductivity