Harmonic loads are the main cause of invisible power quality problems. Current harmonics have no share of the active power and place a thermal load on the grid. They cause losses within the electrical installation, which can lead to thermal overload and shorten the life of equipment.
Harmonics can cause enormous costs for repair and replacement of defective devices. In addition, problems in manufacturing processes or even production downtimes can occur. Only if the harmonic load is detected can you do something about it.
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