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Multifunctional Shunt Hybrid Power Filter and Thyristor Controlled Reactor for Distributed Generation Integration and Power Quality Improvement

Raghu Chandra Garimella, Sandeepthi Nandhyala, A.N.V.J. Rajagopal

Abstract


This project presents a multifunctional PV fed SHPF-TCR compensator for achieving maximum benefits from these grid-interfacing inverters. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. An inverter can be used as power converter to insert the power created from RES to the grid, and shunt APF to reimburse load current harmonics. A SHPF-TCR compensator of a TCR and a SHPF has been proposed to achieve harmonic elimination. A proposed nonlinear control scheme of a SHPF-TCR compensator has been established and simulated. The shunt active filter and SPF have a complementary function to advance the performance of filtering and to diminish the power rating supplies of an active filter. It has been found that the SHPF-TCR compensator can effectively eliminate current harmonic and reactive power compensation during steady and transient operating conditions for a variety of loads. It has been shown that the system has a fast dynamic response, has good performance in both steady-state and transient operations, and is able to reduce the THD of supply currents well below the limit of 5% of the IEEE-519 standard.

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References


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