Application of least means square algorithm to shunt compensator: an experimental investigation

Singh, Alka ; Badoni, Manoj ; Singh, Bhim (2014) Application of least means square algorithm to shunt compensator: an experimental investigation In: IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2014, 16-19 Dec. 2014, Mumbai, India.

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Official URL: http://ieeexplore.ieee.org/document/7042044/

Related URL: http://dx.doi.org/10.1109/PEDES.2014.7042044

Abstract

This paper discusses the simulation as well as hardware implementation results of a Distribution Static Compensator (DSTATCOM) for compensation of unbalanced loads and harmonic currents produced by nonlinear loads. The control scheme used for compensation is based on the fundamentals of adaptive filter theory. Least means square algorithm is one such scheme adopted here to extract fundamental and harmonic components of load currents. The decomposition of the load current is carried out by the learning algorithm. The control scheme for the voltage source converter (VSC) used as DSTATCOM is based on the fundamental currents extracted and the output of proportional-integral (PI) controller used for maintaining the dc bus voltage of the capacitor of VSC. The hardware implementation of DSTATCOM is performed using a digital processor-dSPACE DS1104 R and D controller having TMS320F240 as a slave DSP. Both MATLAB based simulation and hardware implementation results are presented for demonstrating the steady state as well as dynamic performances of DSTATCOM. The scheme is found to be effective in reducing the total harmonic distortion (THD) of supply current as per IEEE-519 standard.

Item Type:Conference or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
Keywords:Shunt Compensator; Least Mean Squares Algorithm; Power Quality
ID Code:110125
Deposited On:04 Aug 2017 11:38
Last Modified:04 Aug 2017 11:38

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