Power Quality Enhancement in Grid Connected Solar Wind Hybrid System using FACTS Devices

Abstract

Due to the high cost of fossil fuels and the need to care about the environment, there has been a big shift towards renewable energy sources (RES). One of these RES is wind energy which is freely available and which can be used to generate electricity without fuel. It depend on the speed of wind, it can be hard to get good power quality. The presence of this part changes both the power and voltage of the part that is connected to the wind turbine. Controlling the fluctuations and making wind power work better requires a new method and new controls. In order to keep people safe, potential excitation induction generators are also used. Using different energy storage technologies can also help even out the changes that wind power causes. In addition to the reactive power adjustment, use a static compensator for the harmonic current injection. Wind turbines are not only getting better at making power, but they are also getting better at handling problems. A dynamic voltage restorer can help correct the reactive power of a wind turbine. The wind turbine is linked to this thing. Because of this, a Static Compensator, also called a STATCOM, was put in place to fix problems with the quality of the power at the point of common connection. By using PID control, the STATCOM can have a much faster response time. Even though it takes a lot of time and work, making sure the system is stable requires a fast response time, a long settling time, and a good overshoot rate. To successfully control the exchange of active and reactive power between a STATCOM and an AC system, the phase and magnitude of the STATCOM's output voltages must be set in the right way. Because of this, power quality standards in the grid system are kept up by adjusting the output of the STATCOM compensator to match the current control strategy in the control scheme. The power system block set in SIMULINK is used to simulate the wind energy generation system that is connected to the grid. This is done so that the STATCOM-control scheme can be used to improve the power quality.