Title :
A soft switching AC/DC converter with energy recovery snubber circuit for superconducting magnetic energy storage
Author :
Ise, Toshifumi ; Nakade, Masanobu ; Murakami, Yoshishige
Author_Institution :
Dept. of Electr. Eng., Osaka Univ., Japan
Abstract :
This paper proposes to utilize an AC/DC power converter circuit with an energy recovery snubber for superconducting magnetic energy storage. In this circuit, both di/dt and dv/dt stress on switching devices are very low compared with conventional circuits, and the energy in the snubber capacitors can be fully recovered. Operating characteristics of the circuit are studied experimentally. A multi-parallel configuration is studied in order to achieve high current handling capability and harmonics reduction
Keywords :
AC-DC power convertors; PWM power convertors; capacitor storage; power capacitors; power system harmonics; snubbers; superconducting magnet energy storage; switching circuits; AC/DC power converter; SMES; current handling; di/dt stress; dv/dt stress; energy recovery snubber; harmonics reduction; multi-parallel configuration; operating characteristics; snubber capacitors; soft switching; superconducting magnetic energy storage; switching devices; Capacitors; Commutation; DC-DC power converters; Diodes; Magnetic circuits; Pulse width modulation; Samarium; Snubbers; Superconducting magnetic energy storage; Voltage;
Conference_Titel :
Power Electronics Specialists Conference, PESC '94 Record., 25th Annual IEEE
Conference_Location :
Taipei
Print_ISBN :
0-7803-1859-5
DOI :
10.1109/PESC.1994.373876
