An Adaptive Hysteresis Band Controller for Single Phase PV Inverters

Abstract:

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Hysteresis current controllers are widely used in PV inverters. The main drawback of conventional hysteresis current control is that the switching frequency is variable, as the hysteresis band is fixed. In this paper an adaptive band hysteresis control algorithm with no derivative calculation is presented. As it will be shown, this algorithm can limit the switching frequency variation within a small range and the algorithm itself is simple and easy to be implemented. The performance of this algorithm, together with the one [10] and conventional hysteresis control has been evaluated by means of simulations performed with PSIM and SIMULINK. Simulation results show the effectiveness of the suggested hysteresis current controller.

Info:

Periodical:

Advanced Materials Research (Volumes 354-355)

Edited by:

Hao Zhang, Yang Fu and Zhong Tang

Pages:

1333-1337

DOI:

10.4028/www.scientific.net/AMR.354-355.1333

Citation:

Y. Xia et al., "An Adaptive Hysteresis Band Controller for Single Phase PV Inverters", Advanced Materials Research, Vols. 354-355, pp. 1333-1337, 2012

Online since:

October 2011

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Price:

$35.00

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