A Single Phase Smart Grid Zero Steady State Error Connected in Dc/Ac Inverter with Heric Convertors
|International Journal of Electrical and Electronics Engineering|
|© 2016 by SSRG - IJEEE Journal|
|Volume 3 Issue 12|
|Year of Publication : 2016|
|Authors : S.Ayappan, K.Arulprabha, D.Priyanka|
S.Ayappan, K.Arulprabha, D.Priyanka, " A Single Phase Smart Grid Zero Steady State Error Connected in Dc/Ac Inverter with Heric Convertors" SSRG International Journal of Electrical and Electronics Engineering 3.12 (2016): 36-39.
S.Ayappan, K.Arulprabha, D.Priyanka,(2016). A Single Phase Smart Grid Zero Steady State Error Connected in Dc/Ac Inverter with Heric Convertors. SSRG International Journal of Electrical and Electronics Engineering 3(12), 36-39.
Feed forward control is a reliable for rejecting fast and dynamic voltage disturbances in the phase grid. Mainly in this scheme implemented in phase voltages of the Wyes connected configuration. Under this unbalanced and distorted grid conditions, the online conversion of line - to - line values into the phase value is unworkable. In order to an exploit full advantages of feed forward controller is a most appropriate modulator is needed. In this article the feed forward of grid line-to-line voltages is used in phase voltages. The introduced feed forward method is implemented in Implicit Zero Sequence Discontinuous Pulse Width Modulation (IZDPWM) technique that is compatible for grid connected inverters. Regarding in the IZDPWM grid topologies distorted the harmonics of the grid voltages. Hence, a sinusoidal current is injected to the grid. Moreover, the measuring grid line-to-line voltages two sensors are required; hence an overall system costs is reduced and control system reliability is increased. The time-domain simulations in MATLAB/Simulink and experimental results from a Hardware based laboratory prototypes are in good agreements, which verify the effectiveness of the proposed generalized method.
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Unified integral controller, Synchronous; grid-connected inverters, unbalanced and distorted conditions.