A New Optimal Voltage Control Technique For UPS System
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2017, Vol 5, Issue 1
Abstract
This paper proposes a simple best possible voltage control technique for three-stage uninterruptiblecontrol supply frameworks. The proposed voltage controller is made out of an input control term and a repaying control term. The previous term is intended to make the framework errors focalize to zero, while the last term is connected to make up for the framework vulnerabilities. In addition, the ideal load current observer is utilized to enhance cost of the system and reliability. Especially, the closed loop security of a observer based ideal voltage control law is scientifically demonstrated by demonstrating that the entire conditions of the enlarged observer based control framework errors exponentially join to zero. Dissimilar to past algorithm, the proposed strategy can make a tradeoff between control input extent and following error by just picking appropriate performance indexes. The viability of the proposed controller is approved through recreations on MATLAB/Simulink .Finally, the relative outcomes for the proposed conspire and the customary input linearization control plot and a fuzzy logic controller are exhibited to show that the proposed calculation accomplishes a great execution, for example, quick transient reaction, little enduring state error, and low aggregate harmonic distortion under load step change, uneven load, and nonlinear load with the parameter variations.
Authors and Affiliations
Kadimi. sowjanya| M.Tech Student, Department of EEE, KIET-II, Kakinada, India, Y Srinivasa Rao| Asst. Professor, Department of EEE, KIET-II, Kakinada, India
Keywords
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- EP ID EP16873
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