Research Article

Design Consideration for High Step-Up Nonisolated Multicellular dc-dc Converter for PV Micro Converters

Table 2

Parameters for experiment.

Multicellular converter

Nominal input voltage 12 V
Nominal output voltage 53 V
Resistive load 20 Ω
Connection topologyInput Parallel Output Series
Number of cells 2 ()
Voltage gain G4.44

Single cell converter

Input voltage 12 V
Output voltage 26.6 V
Duty ratio 0.55
Voltage gain 2.22
Switching frequency 100 kHz
Main transistor 100 V, 2.8 mΩ
(IRF7769 from IR)
Input inductor 10 μH
Output capacitor 44 μF