PERFORMANCE COMPARISON OF DIFFERENT BIDIRECTIONAL DC – DC CONVERTERS FOR SOLAR PV SYSTEM
GOMATHI S RAGHAVENDIRAN T.A SUGANYADEVI M.V DEEPAK ARUMUGAM
In this paper the different topologies of Bidirectional DC-DC Converter(BDC) in buck-boost mode of operation for solar PV system are presented. The different topologies of non-isolated BDC are high gain, multiple input, series capacitor, switched capacitor & inductor. The open loop simulation of the four topologies is carried out to find output voltage and ripples for both step-up and step-down modes. The measurements of voltage gain and ripple factor give the best topology for solar PV system. Finally, the closed loop simulation and hardware testing of the best topology which has high voltage gain and low ripples are presented for both step-up and step-down mode operations.
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