Design and Analysis of Single Phase Grid Connected Inverter
Power inverters are devices which can convert electrical energy of DC form into that of AC. Inverters can come in many different varieties, different parameters like price, power rating, efficiency and applications. The DC/AC power inverter is normally to take DC power supplied by a solar panel (or) battery, such as a 12 volt battery, and transform it into a 120 volt AC power source operating at 60 Hz, it has emulates the power available at an ordinary household electrical application. The tasks of Power inverters are used for day today life powering appliances in Domestic applications. When the inverter output is pure sinusoidal and its connected to the grid. But, to match the frequency, phase and amplitude of the grid and inverter output. Inverter output is depends upon the PWM (Pulse Width Modulation) signals to the gating of the inverter switches. The PWM pulses are generated with the help of Arduino Atmel 328 controller. Hysteresis current controller is used to adjust the inverter frequency up to the grid frequency. In this controller is implemented by simply and it provides good dynamic response and good output current regulation.
Satheesh Kumar.D. Ramya.N.D. Indira.R., R.Ashok