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JEET, Vol. 13, No. 1, January 2018
Design and Control of a Bidirectional Power Conversion System with 3-level T-type Inverter for Energy Storage Systems
Byoung Kuk Lee
Area B - Electric Machinery and Power Electronics
Abstract In this paper, the design process and the control method of the power conversion system (PCS) that consists of a bidirectional DC-DC converter and a 3-level T-type inverter for an energy storage system is presented. Especially the design method of the output LCL filter for a 3-lvel T-type inverter without complex mathematical process are proposed. The validity of the control method and design process in this paper are verified through simulation and experimental analysis.
Keyword Energy storage system (ESS),Multi-level inverter,3-level T-type Inverter,Gridconnected inverter,bidirectional inverter
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