Harmonic Analysis for Power System in New Zealand | Carelabs

Harmonic distortion in a New Zealand facility usually starts with nonlinear loads — variable-speed drives, UPS systems, LED lighting, and similar equipment that draws current in pulses rather than a smooth sine wave. Left unmeasured, it can cause equipment malfunction, nuisance breaker trips, metering errors, and shortened equipment lifespan.

Carelabs' harmonic analysis for New Zealand facilities uses a harmonics analyser to measure actual distortion levels, then models system impedance versus frequency to check for resonance risk. Where levels exceed applicable limits, mitigation options include harmonic filters, relocating or adjusting power-factor correction capacitance, or specifying a rectifier with a higher pulse number. Every engagement concludes with an AS/NZS 3000-aligned report package.