Variable Forgetting Factor Recursive Least Square Control Algorithm for DSTATCOM

This paper proposes an implementation of distribution static compensator (DSTATCOM) for the three-phase distribution system. The functions of DSTATCOM are harmonics elimination, compensation of reactive power, and load balancing in power factor correction and voltage regulation modes. A variable for...

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Bibliographic Details
Published in:IEEE transactions on power delivery Vol. 30; no. 5; pp. 2353 - 2361
Main Authors: Badoni, Manoj, Singh, Alka, Singh, Bhim
Format: Journal Article
Language:English
Published: New York IEEE 01.10.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Active control
Algorithm design and analysis
Compensation
Control theory
Convergence
Electric potential
Harmonic analysis
Harmonic compensation
Least squares approximations
Least squares method
Nonlinearity
power factor correction
Power harmonic filters
power quality (PQ)
Reactive power
Recursive
recursive least square
variable forgetting factor
Voltage control
voltage regulation
ISSN:0885-8977, 1937-4208
Online Access:Get full text
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Summary:This paper proposes an implementation of distribution static compensator (DSTATCOM) for the three-phase distribution system. The functions of DSTATCOM are harmonics elimination, compensation of reactive power, and load balancing in power factor correction and voltage regulation modes. A variable forgetting factor recursive least square (VFFRLS)-based control algorithm is proposed for effective operation of DSTATCOM to estimate weighted values of active and reactive power components of load current. The proposed control algorithm is fast in convergence and has quick response. A prototype of DSTATCOM is developed in the laboratory using a digital signal processor (dSPACE 1104) and voltage-source converter and tested for various operating conditions under nonlinear load. The performance of DSTATCOM is found satisfactory in mitigating various power-quality problems with the VFFRLS-based control algorithm.
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ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2015.2422139