Research Article

Design of an Interleaved High Step-Up DC-DC Converter with Multiple Magnetic Devices for Renewable Energy Systems Applications

Table 1

Specifications of the proposed converter.

ComponentsParameters

Output power (pout)600 W
Input-output voltages (Vin − Vout)27V–400 V
Switching frequency (fs)50 kHZ
Power MOSFETs (S1,S2)IPP076N12N3
Clamp diodes (D1,D2)MUR880
Output diodes (D3,D4)MUR1560
Clamp capacitors (C1,C2)
Output capacitor (Cout)
Coupled inductorFerrite core EE55, n = 1, Lm = 168 μH, and n1 = n2 = 19 turns
Built-in transformerFerrite core EE55, N = 2, Lm = 800 μH, and N2 = N3 = 2N1 = 32 turns