Abstract:
Since the introduction of power electronics in 1960s, the number of nonlinear loads has
increased significantly. The use of the power electronic devices leads to reactive power problems
and injection of harmonics in supply system causing power quality issues. It is becoming really
difficult to maintain the quality of power at the customer end. Poor power quality leads to
misoperation of the power system devices like relays, operation failure of the electronic devices
and so many other problems. Hence, to achieve better performance, highly efficient and
compact, power electronic technologies are used now a days.
In this dissertation work, to overcome power quality related problems in a system, shunt active
filter performance evaluation with the use of MATLAB/ Simulink is carried out. To control the
shunt filter reactive power theory is presented. The control circuits are implemented with the
help of DS1104. The simulation of three legged , capacitor mid-point and three level diode
clamped Multilevel Inverter topology has been done in MATLAB/Simulink. A working
Hardware Prototype is developed and results are verified as per simulation
