Title :
Development of a voltage source inverter based static VAr generator
Author :
Liang, Xu ; Liu, Wen-hua ; Jiang, Qi-rong ; Wang, Zhong-hong ; Li, Xiang-rong ; Liu, Zun-yi ; Li, Jian-shan
Author_Institution :
Dept. of Electr. Power, Tsinghua Univ., Beijing, China
Abstract :
A 300 kVAr advanced static VAr generator (ASVG) utilizing gate turn-off thyristors (GTO) was developed successfully by Tsinghua University, China. In this paper, by using a phasor diagram to reveal the relationship between Us (voltage of system), Uc (voltage of DC capacitor), δ (phase angle difference between voltage of ASVG and system) and θ (pulse width of squarewave of inverters), a detailed description of its operating principles is given. This 300 kVAr ASVG is composed of 18-pulse multiple inverters and typical tests show that the experimental results of an ASVG with this kind of structure (such as harmonic level, steady-state and dynamic performance) are as expected
Keywords :
DC-AC power convertors; PWM invertors; harmonic distortion; power system harmonics; static VAr compensators; thyristor convertors; 18-pulse multiple inverters; 300 kVA; VSI; advanced static VAr generator; dynamic performance; harmonic level; operating principles; phasor diagram; steady-state performance; voltage source inverter; Capacitors; Design methodology; Gold; Power generation; Pulse inverters; Pulse width modulation inverters; Reactive power; Steady-state; Thyristors; Voltage;
Conference_Titel :
Energy Conversion Engineering Conference, 1996. IECEC 96., Proceedings of the 31st Intersociety
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-3547-3
DOI :
10.1109/IECEC.1996.552954
