Abstrato

Design and Implementation of Resonant Circuit Based On Half-Bridge Boost Rectifier with Output Voltage Balance Control

B.Mehala, Mrs.Anitha Sampath Kumar

This paper describes a resonant circuit based on half-bridge rectifier with auxiliary resonant circuit. Soft switching techniques such as zero current switching (ZCS) and zero voltage switching (ZVS) can be performed by using the auxiliary resonant circuit. The zero current switching can greatly reduce the switching losses and electromagnetic noises. Conduction losses and current stress on switches are reduced greatly. Because circulating current for the soft switching flows only through the auxiliary circuit. Balance output voltage can be obtained using the auxiliary resonant circuit. In this paper the principle of the zero current switching operation, design of the resonant circuits and the control sequence are described from theoretical and practical point of view.