Effects of imbalances and nonlinear loads on the voltage balance of a neutral-point-clamped inverter

PESC Record - IEEE Annual Power Electronics Specialists Conference

Volumn 1, Issue , 2003, Pages 53-58

  Pou, Josep ^a   Boroyevich, Dushan ^b   Pindado, Rafael ^a  

^a UNIVERSITAT POLITÈCNICA DE CATALUNYA   (Spain)

^b State University   (United States)

Author keywords

Linear imbalances; Multilevel inverter; Nearest vectors; Neutral point balance; Neutral point clamped inverter; Nonlinear loads; Space vector modulation; Three level inverter

Indexed keywords

COMPUTER SIMULATION; ELECTRIC CURRENTS; ELECTRIC LOADS; NONLINEAR CONTROL SYSTEMS; OSCILLATIONS; VOLTAGE CONTROL;

VOLTAGE BALANCE;

ELECTRIC INVERTERS;

EID: 0042659456     PISSN: 02759306     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (6)

1. A. Nabae, I. Takahashi, and H. Akagi, "A new neutral-point-clamped PWM inverter," IEEE Trans. Indus. Applicat., vol. IA-17, no. 5, pp. 518-523, Sep./Oct. 1981.
2. S. Ogasawara and H. Akagi, "Analysis of variation of neutral point potential in neutral-point-clamped voltage source PWM inverters," in Proc. IEEE-IAS Annu. Meeting, 2-8 Oct., 1993, Toronto, Ont., Canada, vol. 2, pp. 965-970.
3. C. Newton and M. Sumner, "Neutral point control for multi-level inverters: theory, design and operational limitations," in Proc. LAS, vol. 2, July 1997, pp. 1336-1343.
4. N. Celanovic and D. Boroyevich, "A comprehensive study of neutral-point voltage balancing problem in three-level neutral-point-clamped voltage source PWM inverters," IEEE Trans. Power Electron., vol. 15, no. 2, pp. 242-249, March 2000.
5. N. Celanovic and D. Boroyevich, "A Fast Space-Vector Modulation Algorithm for Multilevel Three-Phase Converters," IEEE Trans. Indus. Applicat., vol. 37, no. 2, pp. 637-641, March/April 2001.
6. J. Pou, D. Boroyevich, and R. Pindado, "New feedforward space-vector PWM method to obtain balanced AC output voltages in a three-level neutral-point-clamped converter," IEEE Trans. Ind. Electron., vol. 49, no. 5, pp. 1026-1034, Oct. 2002.