Abstract
A novel high gain voltage lift technique based transformer free non isolated boost converter is proposed with single switch operating at constant frequency in this paper. This performance of this converter is very good and high efficient compared to the conventional boost converters. The high gain is obtained by applying voltage lift cell to the quadratic boost converter. The simple structure, easy controlling and lower voltage stress. The operating principle with theoretical analysis and simulation results of proposed converter for various loads at 10 kHz frequency are discussed in this paper to compare the performance of this novel boost converter.
Highlights
Nowadays, the application of dc-dc converters is increasing day by day like LED lighting systems, hybrid electrical vehicles, servomotors, computer systems, uninterrupted power supplies, solar photovoltaic systems and green energy systems
The non-isolated converters like boost, buck, buck-boost, SEPIC, CUK, and Zeta converters are not having high frequency transformer leads to low price of the converter, switching losses are low, and high efficiency
High gain is achieved by using modified voltage cell operated with single switch
Summary
The application of dc-dc converters is increasing day by day like LED lighting systems, hybrid electrical vehicles, servomotors, computer systems, uninterrupted power supplies, solar photovoltaic systems and green energy systems. The non-isolated converters like boost, buck, buck-boost, SEPIC, CUK, and Zeta converters are not having high frequency transformer leads to low price of the converter, switching losses are low, and high efficiency. A great research is carried out on power electronic converters with high voltage gain [3]. To obtain high gain the converters are connected in cascaded, but leads raises the price and efficiency is low. High voltage gain is obtained by using single switch boost converter [4]. Voltage lift technique is applied on the quadratic boost converter which improves high gain with lower switch stress [5].
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