Bidirectional Quadratic Converter-Based PMBLDC Motor Drive for LEV Application

Table 1

Comparison of different bidirectional converters.

Converter	Component count	Voltage ratio step-up	Voltage ratio step-down	Voltage stress on power switches	Efficiency (%)
Converter in 1	3 inductors, 5 capacitors, 5 power switches			, where	96.67
Converter in 3	1 inductor, 1 transformer, 3 capacitors, 6 power switches				95.4
Converter in 5	2 inductors, 1 transformer, 2 capacitors, 9 power switches				97
Converter in 15	1 inductor, 3 capacitors, 4 power switches			-----	92.5
BDQC	2 inductors, 2 capacitors, 4 power switches, 2 power diodes				95.4