What are the basic elements of a power quality survey?
A power quality survey helps to identify and resolve power-related problems in equipment or facility systems. It represents a systematic, comprehensive approach to problem-solving and typically incorporates the following elements: • Planning For a survey to be successful, appropriate planning efforts must be performed. The two most important are determining the survey’s objectives and its scope of activities. Typical objectives include solving a particular equipment performance problem, identifying and correcting sources of interference in a facility, identifying the overall power quality for a facility, or establishing the suitability of available power before installing new equipment. The scope of the survey will be affected by factors ranging from the size of the facility and complexity of its electrical system to the number and length of equipment event logs, the degree of involvement of managerial levels, and the number of power monitors and their placement.
