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dc.contributor.authorBalakishan, C.H.
dc.contributor.authorSandeep, N.
dc.date.accessioned2020-03-31T08:22:45Z-
dc.date.available2020-03-31T08:22:45Z-
dc.date.issued2014
dc.identifier.citationInternational Journal of Renewable Energy Research, 2014, Vol.4, 4, pp.1049-1055en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10547-
dc.description.abstractTesting and validation of Photovoltaic based energy conversion systems requires Photovoltaic (PV) panels in laboratory environment. A flexible testing system, which eliminates these panels and emulating the dynamic characteristics of PV sources in real time are gaining importance. This paper presents a new algorithm for emulation of PV characteristics using a DC-DC buck converter in current control mode. The algorithm tracks the point on the V-I characteristics of the PV under varying loads by generating the corresponding current reference. This reference current is used for the generation of gate pulses for the DC-DC converter, which acts like a constant current source to emulate the PV panel. In the proposed system, real time variation of irradiance and temperature are incorporated as a time varying input parameters to the PV emulator. The proposed algorithm has been simulated numerically using MATLAB/SIMULINK platform and is experimentally verified on a laboratory test bench consisting of a DC-DC buck converter of 50 W rating with AT'mega328 as a core controller. Both simulation and hardware results are presented showing the effectiveness of the proposed system under dynamic loading and environmental conditions.en_US
dc.titleDevelopment of a microcontroller based PV emulator with current controlled DC-DC buck converteren_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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