Power harmonics management
From Electrical Installation Guide
The problem: why is it necessary to detect and eliminate harmonics?
Standards
General Information
Main effects of harmonics in installations
Resonance
Increased losses
Overloads on equipment
Disturbances affecting sensitive loads
Economic impact
Essential indicators of harmonic distortion and measurement principles
Power factor
Crest factor
Power values and harmonics
Harmonic spectrum and harmonic distortion
Total harmonic distortion (THD)
Usefulness of the various indicators
Measuring the indicators
Devices used to measure the indicators
Procedures for harmonic analysis of distribution networks
Keeping a close eye on harmonics
Detection devices
Solutions to attenuate harmonics
Basic solutions
Harmonic filtering
The method
Specific products
