back to the other converter back side with DC capacitor. Such an arrangement of low-
voltage converters is called unified power quality conditioner (UPQC). The UPQC is
categorized on the basis of sharing of active and reactive power through series converter to
inject voltage. When series converter of the UPQC uses active power to enhance voltage
quality, the UPQC is called as UPQC-P; when series converters of the UPQC use reactive …