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Power Quality

Grid-connected and industrial sites have to demonstrate they won’t distort or disturb the network. We assess harmonics, voltage fluctuation and unbalance, and design mitigation where it’s needed.

Overview

Grid-connected generation, storage and large industrial loads all have to prove they won’t degrade the quality of supply for everyone else on the network. We quantify harmonic distortion against ENA EREC G5/5, voltage steps and flicker against ENA EREC P28, and phase unbalance, comparing the site’s emissions with the headroom the network operator allows.

Where a study shows limits are at risk, we design the mitigation — harmonic filters, controller tuning or design changes — and re-run the assessment to confirm compliance. The output is the evidence pack the DNO or NESO needs to accept the connection, backed by models built in PowerFactory.

What we deliver
  • Harmonic Analysis
  • Voltage Disturbance (P28)
  • Voltage Unbalance
  • Filter Design

Have a project in mind?

Tell us about your connection or compliance challenge and we’ll scope it with you.

Discuss a project