• VIDYASHREE G
• Madhusudhana J

Abstract: Renewable energy sources are considered as the replacement of conventional energy sources. These RES can use solar light, wind energy, bio waste and in the form of small hydro turbine units. These RES has very poor quality and voltage fluctuations and variable frequency. The conventional droop control technique which was already used in inverter design has difficulty in synchronizing parallel connected inverters with different droop gains. The proposed "Estimated droop control" do not use any predefined droop values for inverters and all inverters are responsible for the estimation of their own droop values with respect to their output power that shares an equal load. The project focuses on analysis of voltage fluctuations and frequency variance of parallel connected inverters, design of estimated droop control strategy and the results are obtained in MATLAB/SIMULINK.

Single-phase Full Bridge Inverter, Droop coefficients, Sinusoidal PWM, PI Controller, THD.

"ANALYSIS AND DESIGN OF DROOP CONTROL STRATEGY APPLIED TO PARALLEL OPERATION OF INVERTER", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.10, Issue 1, page no.d550-d555, January-2023, Available :http://www.jetir.org/papers/JETIR2301369.pdf

"ANALYSIS AND DESIGN OF DROOP CONTROL STRATEGY APPLIED TO PARALLEL OPERATION OF INVERTER", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.10, Issue 1, page no. ppd550-d555, January-2023, Available at : http://www.jetir.org/papers/JETIR2301369.pdf