Abstract :
The main power quality eccentricities are occurred by Ferranti effect, short-circuits, voltage sparks, voltage swells harmonic distortions, voltage sags and transients occur by switching of load. The fundamental sinusoidal waveform of current will change when we are using a non-linear load in a power system. Power quality are modify reactive power problem such as power factor lagging due to inductive load or voltage multiplication using Ferranti effect by Thyristor Switched Reactance (TSR) and Thyristor Controlled Reactor (TCR) are two of shunt FACTS(flexible AC transmission system) devices have been used as an alternative to fixed shunt capacitors and fixed reactors in power systems. Application Fuzzy logic on 8 bit microcontroller to sense power quality and employ corrective action and system is designed using fuzzy logic controller and MAT Lab coding.
Keyword :
Capacitive load, FACTs, Ferranti effect, Inductive load, PWM, TSR, TCR