• Datacenter

The ultimate power quality toolbox turns 10!

This year we celebrate 10 years since the launch of the ADF P300.DSC04599 1

The launch of the ADF P300 marked two important ventures for Comsys:  it was the first fully standardized product from Comsys, designed with key industrial applications in mind; and it was the first truly modular active harmonic filter with general commercial availability. 

With an integrated web based user interface (WUI and ADF Dashboard), the ADF P300 raised the bar for user-friendliness and ease-of-use in advanced active filtering solutions. This, combined with the ability to handle not only harmonics but also reactive power, unbalance and flicker, made the ADF P300 the ultimate power quality tool box.

“We would like to use this anniversary as an opportunity to say thank you to our loyal customers,” says Jonas Persson, Head of Products & Services. “The ADF P300 is the benchmark product to beat in power quality. We will keep innovating to provide the best power quality solutions for the next 10 years as well.”

Since its inception many have followed, but the ADF P300 has not stood still. Originally launched as air-cooled, the ADF P300W – the liquid cooled variant of the ADF P300 – was launched in 2008. It featured increased power density, with an IP54 rating. At that time, it featured the highest power density of any active filter, saving space for the customer. This unit was also the second active filter to the market that provided 690V as an option from the start, but it was the first with modularity and 690V.

ADF P300Befitting Comsys’ project heritage, the ADF P300 has been used in a number of medium voltage applications, connected to the grid via a step-up transformer.

The ADF P300 has undergone various changes, from voltage adjustments to grid compatibility, but today it remains the most flexible and complete power quality solution on the market.  With ABS-approval for marine applications in 2015 and the newly added capability of Sensor-less control, it is now an even more versatile tool.

Over the years, the ADF P300 series has found applications in segments from industrial applications, variable speed drives, water treatment, electric arc furnaces, oil & gas (both land drilling and off-shore), marine applications, data centers, airports, STATCOM applications, numerous flicker applications, inductive heating, automotive industry, and many more. Although it’s just 10 years old, the ADF P300 has an unbeatable track record.


ADF Power Tuning was developed by Comsys AB in Lund, Sweden. Working with their global network of partners, the ADF Partner Network provides active filter solutions to industry leaders worldwide, enabling them to increase productivity, and simultaneously save money while reducing their carbon footprint.
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