Implement of high power NPC three-level inverter equipped with IGCTs

Author

Ge, Qiongxuan ; Wang, Xiaoxin ; Zhang, Shutian ; Li, Yaohua ; Kong, Li

Author_Institution

Inst. of Electr. Eng., Chinese Acad. of Sci., Beijing

fYear

2005

fDate

14-17 Dec. 2005

Firstpage

541

Lastpage

545

Abstract

This paper presents a high power three-level inverter equipped with integrated gate-commutated thyristor (IGCT) devices. The power system consisting of a twelve-pulse rectifier and a three-level neutral point clamped (NPC) inverter. A TMSF240 DSP controller is used for filled with PWM strategy. A valid PWM control strategy is proposed which can improve the performance of inverter operating in low switching frequency. Due to the three-level configuration and the valid PWM control method the output harmonic is improved. The experimental of single IGCT device and three phase system demonstrated that both the power circuit and control system are designed reasonable and valid. The implementation inverter can be widely used in adjustable drive system (ADS)

Keywords

PWM invertors; digital signal processing chips; power system control; rectifying circuits; thyristor applications; DSP controller; IGCT; PWM control strategy; TMSF240; adjustable drive system; high power NPC three-level inverter; integrated gate-commutated thyristor devices; low switching frequency; output harmonic; power circuit system; power control system; three-level neutral point clamped inverter; twelve-pulse rectifier; Circuits; Control systems; Digital signal processing; Power system harmonics; Power systems; Pulse width modulation; Pulse width modulation inverters; Rectifiers; Switching frequency; Thyristors;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Technology, 2005. ICIT 2005. IEEE International Conference on

Conference_Location

Hong Kong

Print_ISBN

0-7803-9484-4

Type

conf

DOI

10.1109/ICIT.2005.1600697

Filename

1600697