International Journal of Recent Trends in Engineering & Research

online ISSN

NEURO-FUZZY BASED MPPT IN TRANSFORMER LESS GRID USING CUK CONVERTER IN STEP-UP MODE

Publication Date : 14/03/2019


DOI : 10.23883/IJRTER.CONF.20190304.008.IZ9NI


Author(s) :

D.Betsi , R. Ramya , Parthasarathy.


Conference Name :
A National Conference on Recent Trends in Electrical and Electronics Engineering - 2019



Abstract :

This paper is aimed at the implementation of a Neuro-Fuzzy Based MPPT in Transformer less grid using CUK Converter in Step-Up Mode. A single diode model is preferred for photovoltaic array and simulation study is done by using MATLAB SIMULINK. Voltage and current are the inputs of ANFIS logic controller and the effective value of maximum power is the output. Thus in addition to supplying voltage by the inverter without Transformer for compensate the reactive power not exceeding its power rating. This results in utilization of PV system at night and at periods of low irradiation. Rules relating the input and output of ANFIS Logic Controller are written and simulation is performed. A DC –DC CUK is used for maintaining constant DC input to the inverter at various conditions of irradiation and temperature. Gating pulses to the inverter are generated by PI (Proportional integral) controller. Simulation model of a 1000W solar panel is developed and results are obtained with ANFIS logic controller for different irradiation and temperature conditions.


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