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Harmonic Analysis

Harmonic Analysis

Description

Why Harmonics are Created?

    •   Created by non-linear loads that draw current in abrupt pulses and generate bad current.
    •   Equipments that create harmonics include
    •   Variable Frequency Drives (VFD) - Motors,
    •   Welding Machines
    •   Equipments with adjustable speed drives
    •   Conveyor systems
    •   Equipment using SMPS
    •   Battery chargers, UPS
    •   Personal Computer, Laptops
    •   Medical Equipments etc

Symptoms of Harmonics

    •   Overheating in Neutral Conductors / Transformers
    •   Nuisance tripping of circuit breakers
    •   Equipment malfunctioning
    •   Current surges damaging capacitors and fuses
    •   Frequent motor / VFD failures
    •   PLC Failures
    •   Premature failures of capacitor banks