Utilization of the series resonant DC link converter as a conditioning system for SMES

Author

Marschke, K.W. ; Caldeira, P. ; Lipo, T.A.

Author_Institution

Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA

fYear

1990

fDate

0-0 1990

Firstpage

266

Lastpage

272

Abstract

A novel superconductive magnetic energy storage (SMES) system utilizing a high-efficiency series resonant DC link power converter as the conditioning converter is presented. This system generates a high-frequency (20 kHz or more) resonant current in a series link, and switching is done at zero current instants, reducing switching losses to a minimal value. Through the utilization of an adequate control strategy, input power factor can be fully adjusted during the charging, storing, and discharging modes of the SMES, improving the overall system efficiency. Different semiconductor devices are employed as the switching elements of the resonant converter, and switching losses are established for each case. Experimental results from a monophase and three-phase system verified the results obtained from digital simulation.<>

Keywords

digital simulation; losses; power convertors; power engineering computing; superconducting magnet energy storage; switching; 20 kHz; SMES; charging; conditioning system; control strategy; digital simulation; discharging; high-efficiency; input power factor; series resonant DC link converter; single phase; storing mode; superconductive magnetic energy storage; switching; switching losses; three-phase system; zero current; Control systems; Energy storage; Magnetic resonance; Power semiconductor switches; Reactive power; Samarium; Semiconductor devices; Superconducting magnetic energy storage; Superconductivity; Switching loss;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 1990. PESC '90 Record., 21st Annual IEEE

Conference_Location

San Antonio, TX, USA

Type

conf

DOI

10.1109/PESC.1990.131198

Filename

131198