Abstract |
The paper aims to introduce a new zero-current-switching (ZCS) series resonant inverter (SRI) topology. This
inverter includes an input inductor, two switches, one bidirectional voltage switch and the other bidirectional current, the resonant path and the load. The main advantages of the proposed inverter are as follows: simple structure of the power and control circuits, high frequency operation, soft switching at turn-on/off of the power devices; connected with a non-controlled rectifier as power source, the inverter forms a resonant converter practically having a unity ac power factor. The paper presents the basic principles and the theoretical analysis of the inverter behavior, some considerations on the commutation and turn-off switches losses. the Pspice simulation and a few experimental waveforms of a resonant converter including the proposed inverter. |