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Adaptive Theory-Based Improved Linear Sinusoidal Tracer Control Algorithm for DSTATCOM

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2 Author(s)
Singh, B. ; Dept. of Electr. Eng., Indian Inst. of Technol. Delhi, New Delhi, India ; Arya, S.R.

This paper presents a hardware implementation of three-phase distribution static compensator (DSTATCOM) using an adaptive theory-based improved linear sinusoidal tracer (ILST) control algorithm for different functions of DSTATCOM such as reactive power compensation for power factor correction, harmonics elimination, load balancing, and zero-voltage regulation under linear/nonlinear loads. An ILST-based control algorithm is used for the extraction of fundamental load currents and their active and reactive power components. These components are used for the estimation of reference source currents. A prototype of DSTATCOM is developed and its real-time performance is studied using a digital signal processor. The performance of DSTATCOM is found satisfactory with the proposed control algorithm under various types of loads.

Published in:

Power Electronics, IEEE Transactions on  (Volume:28 ,  Issue: 8 )