Power quality study-1990 to 1995

The development, scope and objectives of the five-year power quality study being conducted by the National Power Laboratory is described. This five-year study of power line disturbances will monitor a 120 volt AC electrical service at the point of utilization. The study will use 50 special Dranetz remote disturbance monitors at 235 sites in ten geographic regions of the United States and Canada. The total database of the study will be approximately 1800 monitor months. Special aspects of this study include the ability to capture sub-cycle events and graphically reproduce all recorded power disturbances. Program elements discussed include the selection process for the monitor equipment, study participants, and test of sites. Also, an examination of the data collection system, threshold settings, and database capabilities is included.<>