Abstract
The continuous rise in electricity demand leads to adoption of renewable energy sources such as sun, wind for power generation. In order to utilize the electric power obtained from renewable solar energy, inverters are required to inject the electricity into the grid. This paper presents single phase flying capacitor multi-level inverter with help of SPWM technique. The comparison of single phase three-level, five-level and seven-level flying capacitor multilevel inverters is carried out with respect to waveform pattern, output current, output voltage, active power and reactive power waveforms. The simulations are conducted in MATLAB/SIMULINK environment.
Highlights
In order to get better utilization of renewable energy sources [1,2] the electricity generated is to be connected with the grid
In single phase 3 level Flying capacitor inverter (FC) inverter, inductive load is connected at output and current lags the inductive voltage
In single phase 7 level FC inverter, inductive load is connected at output and current lags inductive voltage
Summary
In order to get better utilization of renewable energy sources [1,2] the electricity generated is to be connected with the grid. The power should be harmonics free and sinusoidal This requires DC to AC multilevel inverters [7,8]. The multi-level inverter is a system or device which utilizes.various low level dc voltages as an input to achie ve optimalalternating voltage at the output. It consists of many switches and arrangement of switches are very important. It is required to obtain higher output power from sources like battery and solar arrays.
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