Quadratic boost A-source impedance network

Publication Type:
Conference Proceeding
Citation:
ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings, 2016
Issue Date:
2016-01-01
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© 2016 IEEE. A novel quadratic boost A-source impedance network is proposed to realize converters that demand very high voltage gain. To satisfy the requirement, the network uses an autotransformer where the obtained gain is quadratically dependent on the duty ratio and is unmatched by any existing impedance source networks and normal DC-DC converters with coupled magnetics at the same duty ratio and turns ratio. The term 'Quadratic Boost A-Source' indicates its quadratic varying gain in the operating principle of the converter. The proposed converter draws a continuous current from the source and suits for many types of renewable sources. This capability has been demonstrated by mathematical derivation and proven in experiments with a single-switch 200 W, 40 kHz DC-DC converter.
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