Evaluating power quality for mission critical facilities

摘要

IEEE Standard 1100 defines power quality as "the concept of powering and grounding sensitive equipment in a matter that is suitable to the operation of that equipment." Power quality can be summarized as the "compatibility between what comes out of an electric outlet and the load that is plugged into it," according to Alexandra Von Meier in the book "Electric power systems: a conceptual introduction." The electrical load or equipment that is connected to an electrical circuit has a certain power tolerance range that is required to allow it to function properly. Any power source deviations outside that power tolerance range can affect the operation of that equipment.