A Family of Module-Integrated High Step-Up Converters With Dual Coupled Inductors | Zendy

Dongsheng Yu | Zendy; Jie Yang | Zendy; Ruidong Xu | Zendy; Zhenglong Xia | Zendy; Herbert Ho-Ching Iu | Zendy; Tyrone Fernando | Zendy

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A Family of Module-Integrated High Step-Up Converters With Dual Coupled Inductors

Author(s) -

Dongsheng Yu,

Jie Yang,

Ruidong Xu,

Zhenglong Xia,

Herbert Ho-Ching Iu,

Tyrone Fernando

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2815148

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In order to overcome the defect of low output voltage of the renewable energy-based generators, such as the photovoltaic array and fuel cells, a family of high step-up integrated dc/dc converters with dual coupled inductors is proposed based on combination of the modified quadratic boost converters and the voltage-multiplier modules (VMM). The high voltage gain can be achieved by adjusting the duty cycle and turn ratios of the coupled inductor of VMM. In particular, quite low voltage stress on the power switch can be obtained since the switch is no longer directly excited by the high output voltage, which is useful for enlarging the power efficiency. In addition, the two inductors in MQBC are integrated by using one magnetic core to decrease the size of the magnetic components. Very small ripples of the input current can be realized by ripple suppress abilities of the coupled inductors. Two experimental prototypes with rated-power of 200W are selectively constructed for comparative analysis, and experimental results verify the correctness and practicability of the proposed converters.

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