Abstract
The Objective of this paper is to give more insight into CCM Operation of the LCL Converter to obtain op-timum design using state-space analysis and to verify the results using PSPICE Simulation for wide variation in loading conditions. LCL Resonant Full Bridge Converter (RFB) is a new, high performance DC-DC con-verter. High frequency dc-dc resonant converters are widely used in many space and radar power supplies owing to their small size and lightweight. The limitations of two element resonant topologies can be over-come by adding a third reactive element termed as modified series resonant converter (SRC). A three ele-ment resonant converter capable of driving voltage type load with load independent operation is presented. We have used embedded based triggering circuit and the embedded ‘C’ Program is checked in Keil Software and also triggering circuit is simulated in PSPICE Software. To compare the simulated results with hardware results and designed resonant converter is 200W and the switching frequency is 50 KHz.
Highlights
In Converter applications solid-state devices are operated at very high frequency
The switching losses are more than the conduction losses [1] and it becomes a major cause of poor efficiency of the converter circuit [2,3]
This leads to the search of a converter that can provide high efficiency [4], lower component stress [5], high power, high switching frequency, lightweight as well as low cost and high power operation [6]
Summary
The switching losses are more than the conduction losses [1] and it becomes a major cause of poor efficiency of the converter circuit [2,3] This leads to the search of a converter that can provide high efficiency [4], lower component stress [5], high power, high switching frequency, lightweight as well as low cost and high power operation [6]. The LCL-resonant converter using voltage source type load has nearly load independent output voltage under some operating conditions [17]. These converters are analyzed by using state-space approach.
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