Lineator Harmonic Filter with 6-pulse VFD Outperforms 18-pulse VFD in Reducing Harmonics

The use of Variable Speed Drives (VSDs) is increasing in many industries resulting in an increased need to treat the current harmonics generated by these nonlinear loads.
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Lineator Harmonic Filter
VFD Outperforms
Variable Speed Drives
Mirus International
Power Quality



April 21, 2011 - PRLog -- Brampton, ON -- The use of Variable Speed Drives (VSDs) is increasing in many industries resulting in an increased need to treat the current harmonics generated by these nonlinear loads. Two common methods of harmonic treatment include using a 6-pulse VFD with harmonic filter and an 18-pulse VFD. In comparing these methods, Mirus International, finds that using a 6-pulse VFD with its passive harmonic filter, Lineator™, is a better performing solution.

As the world’s foremost authority on harmonics mitigation, Mirus International has been at the forefront of developing world-class power quality improvement products for a myriad of applications, often called to solve some of the most challenging harmonic problems. From municipal waste water pumps to offshore drilling rigs and ship propulsion systems, Mirus has continuously proven that its solution – 6-pulse VFD with Lineator™ filter – is more effective and efficient than an 18-pulse drive.

One such example includes a skydiving simulator company that was considering using 18-pulse drives for its large blowers. Using Mirus’ proprietary and complimentary harmonic analysis software, SOLV™, the company found that 6-pulse VFDs with Lineator™ filters was the best and most cost effective choice. The findings? A 6-pulse VFD with Lineator™ was up to 3% more efficient, took up to 25% less floor space, cost 25% less and provided better harmonic mitigation especially when background voltage distortion and phase voltage imbalance were taken into consideration. Field measurements taken during earlier comparison testing demonstrated that the Lineator™ can actually outperform the predicted levels. Losses were 3.5% to 6% lower than the 18-pulse drive, and current distortion levels were better than Mirus’ guaranteed values. To read more on this application, please download the case study at

“Mirus’ Lineator™ filter has been engineered and manufactured to treat even the most challenging of harmonic applications. When coupled with a 6-pulse VFD it simply outperforms 18-pulse VFDs and on applications where companies can’t afford downtime, risk equipment failure or distortion of any kind on the electrical distribution system, there’s no better solution,” says Al Archambault, Director of Sales, Mirus International.

Contact: Tony Hoevenaars, President and CEO, 1-888-866-4787,,

About Mirus International
Mirus designs and develops world class power quality improvement products for mission critical operations. Their uniquely specialized product line includes highly efficient harmonic filters, transformers, autotransformers and Data Center power distribution equipment. Comprised of a leading team of power quality experts, Mirus’ solutions minimize disruption to the power supply, improve reliability and adhere to the strictest of regulatory requirements while also saving energy. Proven to perform, Mirus products are available globally and are real-world tested in its own Harmonics & Energy (H&E) Lab.

Press Contact:
Amanda Steeves
Mirus International Inc.
31 Sun Pac Blvd
Brampton, Ontario
Canada L6S 5P6

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Source:Amanda Steeves
Tags:Lineator Harmonic Filter, 6-pulse, VFD Outperforms, Variable Speed Drives, Mirus International, Power Quality
Industry:Energy, Electronics
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