Title :
A new n-level high voltage inversion system
Author :
Suh, Bum-Seok ; Hyun, Dong-seok
Author_Institution :
Res. Inst. of Electr. Eng., Hanyang Univ., Seoul, South Korea
fDate :
2/1/1997 12:00:00 AM
Abstract :
This paper deals with a new multilevel high-voltage source inverter with gate-turn-off (GTO) thyristors. Recently, a multilevel approach seemed to be the best suited for implementing high-voltage power conversion systems because it leads to a harmonic reduction and deals with safe high-power conversion systems independent of the dynamic switching characteristics of each power semiconductor device. A conventional multilevel inverter has some problems; voltage unbalance between DC-link capacitors and larger blocking voltage across the inner switching devices. To solve these problems, the novel multilevel inverter structure is proposed
Keywords :
DC-AC power convertors; PWM invertors; harmonic distortion; power system harmonics; switching circuits; thyristor convertors; DC-link capacitors; GTO thyristors; blocking voltage; dynamic switching characteristics; harmonic reduction; high-voltage power conversion systems; inner switching devices; multilevel VSI; n-level high voltage inversion system; power semiconductor device; voltage unbalance; Capacitors; Fluctuations; Leg; Passive optical networks; Power supplies; Pulse width modulation inverters; Rails; Space vector pulse width modulation; Switches; Voltage control;
Journal_Title :
Industrial Electronics, IEEE Transactions on
