NDLI: A novel control principle for a high frequency transformer based multiport converter for integration of renewable energy sources

Content Provider	IEEE Xplore Digital Library
Author	Hazra, S. Bhattacharya, S. Chakraborty, C.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Indian Inst. of Technol. Kharagpur, Kharagpur, India (Chakraborty, C.) \|\| Electr. & Comput. Eng., North Carolina State Univ., Raleigh, NC, USA (Hazra, S.; Bhattacharya, S.)
Abstract	This paper presents a novel approach to control power flow inside a high frequency transformer based multiport DC-DC converter. A multiport converter can interface a number of power sources and sinks with control of power flow among them. In a renewable energy sources (RES) integration scheme, the multiport converter operates like an accumulator where it collects power from each RES and dispatches it to the load port. Typically, power flow between any two ports happens through the leakage inductance of the transformer by imposing a required phase shift between fundamental component of two square wave voltages, impressed at the ports. However, each port is connected with the other ports by some inductance and hence the power flow from a particular source port to load port is not decoupled and can not be controlled independently. This paper proposes decoupling of source ports by eliminating the load port leakage inductance with a negative inductance, emulated by voltage injection in series with leakage inductance. A three port transformer based system is simulated to validate the principle. A scaled prototype of the three port transformer is designed and the effect of load port leakage inductance is analyzed through experiment.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	7984
Ending Page	7989
File Size	2625027
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6700467
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ports (Computers) Inductance Voltage control Frequency conversion Emulation Electrostatic discharges Renewable energy sources Negative inductance emulation Integration of renewable energy sources Multiport DC-DC converter High frequency transformer
Content Type	Text
Resource Type	Article

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