Abstract
The high-intensity ultrasonic homogenizer equipment, which is composed of high-power ultrasonic transducer and mechanical resonant couplers, is to be noted for the fuel improvement system.As a power supply for that system, the high-frequency thyristor inverters are more hopeful than power transistor oscillators.This paper describes the transient-state operating analysis and performance evaluations of a high-frequency inverter for high-intensity ultrasonic power supply. The high-frequency inverter using reverse-conducting thyristors (abbreviated RTh type inverter) is analysed with an R-C load model of the ultrasonic transducer systems.The transient-state characteristics and circuit operation, in which the overlapping commutationmode is considered, are quantitatively discussed comparing with those of basic series-capacitor-commutated inverter (abbreviated basic type inverter), and the necessary data for circuit design of the power supply are supplemented here.
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