A distribution network analyzer for power quality studies

A low-voltage, scale model of a radial distribution system has been developed. This model system replicates an actual distribution feeder in a scaled lab-safe hardware model. The intent is to use this scaled system to study the effects of faults and capacitor switching on radial feeders in the presence of power-electronic loads, distributed generation and voltage regulation equipment. The use of a physical system instead of computer simulation allows proprietary equipment to be tested in real situations without the errors introduced by incomplete models. Additionally, the scaled system serves as a hands-on instructional tool for studying the effects of faults, transients and other system anomalies that affect power quality.