Analysis of Voltage and Current Variations in Hybrid Power System
Journal: International Journal of Research in Science & Technology (Vol.2, No. 3)Publication Date: 2015-03-28
Authors : M .N .V .Subbarayudu; M. L .Pravalika; P.V.Avinash; P.Bhavya Sree N.Chaitanya; V.Sarayu;
Page : 16-21
Keywords : IJRST; Vol 2; Issue 3; March 2015;
Abstract
In this paper, a detailed dynamic model and simulation of a solar cell/wind turbine/fuel cell hybrid power system is Developed using a novel topology to complement each other and to alleviate the effects of environmental variations. Comparing with the nuclear energy and thermal power, the renewable energy is inexhaustible and has non-pollution Characteristics. Here Ultra-capacitors are used in power applications requiring short duration peak power. The voltage variation at the output is found to be within the acceptable range. The output fluctuations of the wind turbine varying with wind speed and the solar cell varying with both environmental temperature and sun radiation are reduced using a fuel cell. Therefore, this system can tolerate the rapid changes in load and environmental conditions, and suppress the effects of these fluctuations on the equipment side voltage. The proposed system can be used for off-grid power generation in non interconnected areas or remote isolated communities. Modeling and simulations are conducted using MATLAB/Simulink software packages to verify the effectiveness of the proposed system. The results show that the proposed hybrid power system can tolerate the rapid changes in natural conditions and suppress the effects of these fluctuations on the voltage within the acceptable range.
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Last modified: 2015-03-28 18:02:53