Harmonic Survey

Variable Speed Drives have become the standard method for motor control today, providing infinitely better process control and of course reducing the motors energy consumption. This has led to installation of VSD loads on all manufacturing processes which in turn increase the harmonic footprint of the site and facilities they are fitted.

VSD Guide

Your 60 Minute Guide to Variable Speed Drives

DL 5

Why do I need a Harmonic Survey?

The Engineering Recommendation G5/5 “Harmonic voltage distortion and the connection of harmonic sources and/or resonant plant to transmission systems and distribution networks in the United Kingdom”, came into implementation on 17th June 2020, setting the limits to be valid at the Point of Common Coupling (PCC). Harmonic surveys are carried out to check compliance with the standards and utility regulations. Your site could currently be not in compliance with these standards and could face fines. Harmonic issues can also cause:

      • Deterioration and damaging of equipment
      • Equipment failure; fuses blown, breakers tripping etc
      • Underperforming of energy efficiency

How does it work?

How does it work?

What our customers say

Thanks to Amy and Sam for their assistance last week. It's always really appreciated to know Quantum are at the end of a phone when we need you all to get us back up and running.

David Gamble, July 2020

Great over the phone help with issues and immediate engineer to site response - great service.

Oliver Schooler, June 2020

Most helpful advice and technical expertise

Ken Barker, June 2020

Thank you to Eddie McKerr for his help, support and excellent response. Always an excellent service - well done to the team!

Mark Bowen, June 2020

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