Adaptive noise suppression filter based integrated voltage and frequency controller for two‐winding single‐phase self‐excited induction generator. Issue 8 (1st November 2014)

• Record Type: Journal Article
• Authors: Kalla, Ujjwal Kumar; Singh, Bhim; Murthy, S.S.
• Is Part Of: IET renewable power generation. Volume 8:Issue 8(2014)
• Page Start: 827
• Page End: 837
• Publication Date: 2014-11-01
• Subjects: asynchronous generators -- machine control -- adaptive control -- voltage control -- frequency control -- frequency estimation -- reactive power; adaptive noise suppression filter based control algorithm -- integrated voltage and frequency controller -- IVFC -- two‐winding single‐phase self‐excited induction generator -- speed governor‐free hydro turbine driven SEIG -- voltage source converter -- VSC -- terminal voltage control -- adjustable reactive power -- nonlinear loads -- resistive dump load -- chopper -- dc‐bus -- seasonal changes -- unregulated micro hydro turbine -- frequency estimation -- phase shifting technique -- quadrature signal -- point of common coupling voltage -- digital signal processor -- steady state conditions -- dynamic conditions -- power 5 kW; Renewable energy sources -- Periodicals; 333.79405
• DOI: 10.1049/iet-rpg.2013.0271
• Languages: English
• ISSNs: 1752-1416

Abstract

Abstract : In this study, an adaptive noise suppression filter based control algorithm is proposed for integrated voltage and frequency controller (IVFC) of a speed governor‐free hydro turbine driven single‐phase self‐excited induction generator (SEIG). A voltage source converter (VSC) is employed to control the terminal voltage of SEIG with adjustable reactive power. It also mitigates the harmonics injected by non‐linear loads in the SEIG system. A resistive dump load with a chopper is connected at dc‐bus of VSC. The dump load is controlled to regulate the system frequency at varying loads and mechanical power input to the unregulated micro hydro turbine during seasonal changes. The frequency estimation and phase shifting technique is used for frequency estimation and for generation of quadrature signal of point of common coupling voltage. The proposed IVFC is designed, developed and implemented using a digital signal processor for a two‐winding single‐phase SEIG of 5 kW rating and test results are presented to demonstrate its performance under steady state and dynamic conditions.