Call For Paper Volume:4 Issue:10 Oct'2017 |

DESIGNING AND IMPLEMENTATION OF BI – DIRECTIONAL ISOLATED FULL BRIDGE CONVERTER

Publication Date : 31/01/2015



Author(s) :

PASALA NARESH , sangeetha tavargera , apporva.


Volume/Issue :
Volume 2
,
Issue 1
(01 - 2015)



Abstract :

In the renewable energy systems, the exchange of power from the source to the load and vice-versa have conventionally been implemented with two uni-directional converters; each processing the power in one direction. To improve the energy quality in such systems, bidirectional DC-DC converters are used to charge/discharge the energy storage systems. This paper proposes the bidirectional DC-DC converter which employs the two full single phase bridge converter configuration on the both sides of the isolating transformer. The high side converter is controlled as step down and the low side converter is controlled as step up. At a given instant of time, only one converter is controlled and other acts as diode bridge converter. The proposed system is characterized by good dynamic properties and high efficiency because of low switching losses. Using the same power components for achieving bidirectional flow of power in the symmetrical circuit topology provides a simple, efficient and galvanic ally isolated that is especially attractive for use in battery charging/discharging circuits.High frequency isolation transformer plays an important role in achieving galvanic isolation and also for reducing the system size, weight and cost. Power MOSFET switches, provided with snubber circuit and PI filter at the output side are employed to reduce the ripple and for voltage regulation in this proposed thesis.


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DESIGNING AND IMPLEMENTATION OF BI – DIRECTIONAL ISOLATED FULL BRIDGE CONVERTER

January 31, 2015