An improved control algorithm of DSTATCOM for power quality improvement

Singh, Bhim ; Dube, Sunil Kumar ; Arya, Sabha Raj (2015) An improved control algorithm of DSTATCOM for power quality improvement International Journal of Electrical Power & Energy Systems, 64 . pp. 493-504. ISSN 0142-0615

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This paper presents the modeling and implementation of a three-phase DSTATCOM (Distribution Static Compensator) using STF (Self Tuning Filter) based IRPT (Instantaneous Reactive Power Theory) control algorithm for power quality improvement. It is used for harmonics elimination, load balancing and reactive power compensation at distorted PCC (Point of Common Coupling) voltages under nonlinear loads. An adaptive fuzzy logic controller is used to control the dc bus voltage of VSC (Voltage Source Converter) based DSTATCOM to improve the response and to reduce the overshoot and undershoot of traditional PI (Proportional-Integral) controller under unbalanced loading conditions and supply voltage fluctuations. The effectiveness of the proposed control algorithm is demonstrated through simulation using MATLAB SIMULINK and real time implementation of DSTATCOM conducted using a DSP (Digital Signal Processor dSPACE 1104).

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Distorted PCC Voltages; Adaptive Fuzzy Logic; Power Quality; VSC; Self Tuning Filter; IRPT
ID Code:106512
Deposited On:07 Aug 2017 13:08
Last Modified:07 Aug 2017 13:08

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