DocumentCode :
3538969
Title :
Modular parallel three-phase inverter system
Author :
Chen, Jiann-Fuh ; Chu, Ching-Lung ; Yow-Chyi Lieu
Author_Institution :
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan
Volume :
1
fYear :
34881
fDate :
10-14 Jul1995
Firstpage :
237
Abstract :
This paper develops three-phase inverter modules that have the following functions: (1) inverters for stand-alone operation; (2) inverters in parallel; and (3) inverters in parallel with the utility system. For obtaining parallel operation, the parallel technique for a voltage-controlled PWM inverter and (N-1) current-controlled PWM inverters is proposed in this paper. Through the current control, the current-controlled PWM inverter can be operated in synchronism with the voltage-controlled PWM inverter. By a load-sharing center, the load is shared to each inverter in parallel, and accurately limits the output current of each inverter to its maximum rating. In this paper, system operations are described in detail and experimental results are developed. From the experiment results, this proposed scheme is adequate
Keywords :
PWM invertors; electric current control; synchronisation; voltage control; current control; current-controlled PWM inverters; load-sharing center; modular parallel three-phase inverter system; parallel operation; stand-alone operation; synchronous operation; three-phase inverter modules; utility system; voltage-controlled PWM inverter; Current control; Filters; Hospitals; Instruments; Phase locked loops; Power supplies; Pulse width modulation inverters; Switches; Uninterruptible power systems; Voltage;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Industrial Electronics, 1995. ISIE '95., Proceedings of the IEEE International Symposium on
Conference_Location :
Athens
Print_ISBN :
0-7803-7369-3
Type :
conf
DOI :
10.1109/ISIE.1995.496633
Filename :
496633
Link To Document :
بازگشت