ABSTRACT
With the continuous outstanding development of electronic devices, the power
quality problems have been remarked as a great growing concern, whereas voltage
sag and swell problem are the most frequently occurring and detrimental power
quality problems. Therefore, the purpose of this study was to mitigate voltage sag and
swell problem with UPQC using proposed adaptive multi converter (AMC). The
proposed device was implemented during generating voltage sag and swell problem
in electronic appliance. The quick response view of AMC-UPQC power distribution
system with regard to reactive power was illustrated at 0.02 sec. The results showed
that the developed converter was capable to compensate the voltage sag problem by
99.72%, 96.24%, 94.45% and the voltage swell by 93.33%, 83.33%, 77.27% at 1-
phase, 2-phase, and 3-phase, respectively. Besides, it can combat the dynamic load
significantly, 87.06 % and 75 % at voltage sag and swell condition respectively. The
unique feature of AMC-UPQC is the rate of potentiality of voltage sag /swell
mitigation notably higher compared to conventional UPQC as adaptive multi
converter responses on account of reactive power quickly and timely. As a result, the
developed power distribution system was substantiated as a proficient compensator
for the reactive power requirement of the load and in future it can be used as a fancy
power distribution system for the protection of dynamic load.
Key words : Sag, swell, AMC, UPQC, reactive power.