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The power quality analysis is a process involving the assessment and measurement of various aspects related to the electricity supplied in an electrical system.
It aims to ensure the reliability of the system and acceptable levels of electrical disturbances that might affect connected equipment and systems.
Parameters measured in a power quality analysis include
- Voltage and Current
- Frequency
- Harmonics
- Voltage Peaks and Voltage Dips (Sags)
- Phase Imbalance
- Voltage Interruption Time and Variability
- Waveform Distortion
- Power Factor
- Transients and Disturbances
Power quality analysis involves the installation of monitoring and measuring equipment, along with power quality analyzers, to record and analyze these parameters. The analysis results can be used to identify issues in the electrical network, implement corrective measures, plan electrical infrastructure expansion, and ensure the optimal operation of connected equipment.