Cascaded multilevel inverter based STATCOM with power factor correction feature

Author

Haw, Law Kah ; Dahidah, Mohamed ; Mariun, Norman

Author_Institution

Dept. of Electr. & Electron. Eng., Univ. of Nottingham, Semenyih, Malaysia

fYear

2011

fDate

20-21 Oct. 2011

Firstpage

1

Lastpage

7

Abstract

The paper investigates the STATCOM system based on five-level cascaded inverter controlled using carrier-based pulse width modulation (CB-PWM) technique. In this work, the STATCOM is controlled to provide only the reactive power compensation at the point of common coupling (PCC) when an RL load is connected to the power system at different lagging power factors. The rotating switching scheme is employed for the DC link voltage balancing while the phase angle control scheme is used in the STATCOM main system. A new current reference control method is proposed in this work and the effectiveness and the theoretical prediction of the proposed approach for different loading conditions is validated through simulation studies using MATLAB SIMULINK software package.

Keywords

electric current control; invertors; mathematics computing; phase control; reactive power control; static VAr compensators; CB-PWM technique; DC link voltage balancing; Matlab Simulink software package; PCC; RL load; carrier-based pulse width modulation technique; cascaded multilevel inverter based STATCOM; current reference control method; five-level cascaded inverter controlled; phase angle control scheme; power factor correction feature; power system; reactive power compensation; rotating switching scheme; Automatic voltage control; Capacitors; Couplings; Inverters; Reactive power; Switches; Cascade multilevel inverter (CMI); carrier based pulse width modulation (CB-PWM); flexible ac transmission systems (FACTS); static synchronous compensator (STATCOM); voltage source converter (VSC);

fLanguage

English

Publisher

ieee

Conference_Titel

Sustainable Utilization and Development in Engineering and Technology (STUDENT), 2011 IEEE Conference on

Conference_Location

Semenyih

Print_ISBN

978-1-4577-0443-7

Type

conf

DOI

10.1109/STUDENT.2011.6089317

Filename

6089317