Title :
A 3-leg VSC based integrated voltage and frequency controller for a self excited induction generator employing water pumping
Author :
Chilipi, Raja Sekhara Reddy ; Singh, Bawa ; Murthy, S.S.
Author_Institution :
Dept. of Electr. Eng., Indian Inst. of Technol. Delhi, New Delhi, India
fDate :
July 29 2010-Aug. 1 2010
Abstract :
This paper deals with an integrated voltage and frequency controller (IVFC) for a self excited induction generator (SEIG) in a standalone micro hydro system. The proposed IVFC is used to control the terminal voltage as well as frequency of SEIG system. This IVFC consists of a 3-phase 3-leg current controlled voltage source converter (CC-VSC) and its control scheme is realized using power balance theory (PBT). It regulates the terminal voltage through reactive power control and at the DC link of CC-VSC, a variable frequency vector controlled induction motor drive (VCIMD) driving a water pump is connected which maintains constant power generation at the SEIG terminals.
Keywords :
asynchronous generators; frequency control; hydroelectric generators; hydroelectric power stations; induction motor drives; power control; voltage regulators; 3-leg VSC based integrated voltage; CC-VSC; DC link; constant power generation; frequency controller; integrated voltage controller; power balance theory; reactive power control; self excited induction generator; standalone micro hydro system; vector controlled induction motor drive; water pumping; Frequency control; Frequency estimation; Generators; Induction motor drives; Reactive power; Voltage control; 3-Leg Current Controlled Voltage Source Converter; Integrated Voltage and Frequency Controller; Power Balance Theory; Self Excited Induction Generator; Vector Controlled Induction Motor Drive;
Conference_Titel :
Industrial and Information Systems (ICIIS), 2010 International Conference on
Conference_Location :
Mangalore
Print_ISBN :
978-1-4244-6651-1
DOI :
10.1109/ICIINFS.2010.5578640
