Single Magnetic Element-Based High Step-Up Converter for Energy Storage and Photovoltaic System with Reduced Device Count

Table 6

Topological comparison of the proposed converter with other benchmarks: advantages, disadvantages, and applications.

Converters	Topology	Advantages	Disadvantages
[8]	Full bridge fully isolated	Galvanic isolation	Large size
		Simultaneous power management	Cost inefficient
		ZVS operation of the switches	Low efficiency
		High gain
[10]	Interleaved-boost-full-bridge	Uncoupled control	Large size
		ZVS and ZCS operation	Less efficient
[12]	Flyback forward topology	High gain	Complex control
		Galvanic isolation	Large size
		Multiple operating modes	Less efficient
[13]	Full bridge partly isolated	High gain	Large size
		Simple structure and control	Less efficient
		Galvanic isolation
			Not suitable for MPPT
[14]	Transformer with LCL	High gain	Less efficiency
		Simultaneous power flow	Complex control
		Good for MPPT
[15]	Fully isolated-interleaved boost	High gain	Large size
		ZVS and ZCS	Complex control
		Reduced voltage stress
		Smooth transition
[18]	Partly isolated using boost-flyback forward converter and voltage doubler	Simple structure	Low gain
		ZCS	Not efficient
			Large size
[24]	Nonisolated coupled inductor	High gain	Large size
		Simple control strategy	Less efficient
[30]	Coupled inductor	High gain	Large size
		Simple structure	Complex control
			Low efficiency
[31]	Coupled inductor	High gain	Complex control
		High efficiency	Limited power sharing
		Low voltage stress
		Almost ZVS operation
Proposed converter	Coupled inductor	High gain	Shared control
		Reduced device count
		Almost ZVS and ZCS
		Increased efficiency