ELEVATED HARMONICS LEVELS

We prevented damaging downtime caused by elevated harmonics levels to a large pharmaceutical plant in the West of Ireland. The plant, which manufactures market-leading medicines, had issues with harmonics and needed to ensure reliability of plant. As a result of our work, harmonic currents fell from 55% to 16% at the facility.

INDUSTRY SUCCESS

Directly employees

30,000

people

Estimated

10

invested in the last 10 years

Top

10

of the worlds pharma companies based in Ireland

THE CHALLENGE

This pharmaceutical facility had recently introduced a new production process which required a reliable, mission critical electrical supply. The company had experienced previous downtime due to malfunctioning electrical systems. A full evaluation was required to ensure that the facility’s electrical distribution network was functioning as required and could support the new pharmaceutical production equipment.

HOW WE HELPED

After conducting an extensive power quality metering assessment with advanced portable devices we identified vulnerable points on the network. The assessment highlighted significant breaches of the voltage harmonic limits for controlled and sensitive equipment as stipulated by the IEC 61000-2-4 standard. We modelled the facility’s electrical distribution network using our specialist software analysis programs to size a filtering solution that would mitigate any harmonic issues.

THE RESULT

We supplied and commissioned multiple active harmonic filters at the facility based on our analytical results. Harmonic currents fell from 55% to 16%, thus lowering the level of voltage harmonic distortion, maintaining it within the IEC 61000-2-4 limits and preventing future failures of critical devices, such as PLCs and controls.

THE CLIENT

This large pharmaceutical plant produce market leading medicines for export throughout the world. They employ almost 30,000 people worldwide and have a global turnover of $20bn in 2014.

“A drop in harmonic levels from 55% to 16% for this client is an excellent result. We achieved this using our specialist modelling software and our expertise in supplying and commissioning active harmonic filters.”

Barry NicholsonElectrical Projects Engineer

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