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Power Utility Companies are focusing on power quality issues related to electronic motor controls. Typical culprits are pumping operations and ventilation fans. If your utility is pushing you to clean up the harmonic currents your operations generate, please contact your technical experts at Mirus International.

Since 1991, Mirus International Inc. has been a supplier of specialized power quality products to reduce or eliminate harmonic problems and save energy in electrical power distribution systems worldwide. As true innovators, their unique approach to harmonic mitigation has produced many patented designs useful in addressing the problems associated with harmonic generating non-linear loads such as personal computers, telecom equipment, broadcasting equipment and Variable Frequency Drives (VFD).

Mirus's strength is in their technical expertise as problem solvers. Principals at the company have been successfully resolving difficult power quality problems for decades. This includes the first application of a zero sequence harmonic filter for the removal of heavy 3rd harmonic current in a high tech manufacturing facility in 1986. Their Neutral Current Eliminator, or NCE, is a refined version of this first device.

Mirus is the original inventor of Harmonic Mitigating Transformers which combine low zero phase sequence impedance with phase shifting to treat harmonics generated by non-linear loads. This strategy not only improves power quality by reducing voltage distortion and flat-topping but also saves energy by lowering the harmonic losses within the transformer and upstream distribution system. They actively promote the financial and environmental benefits of their highly efficient transformer products and are proud to be Energy Star Partners, US Green Building Council members and Rebuild America Business Partners.

With the introduction of their revolutionary LINEATOR Universal Harmonic Filter (UHF) in 1999, Mirus has begun to capture a significant portion of the market for premium harmonic Variable Frequency Drive solutions. Their newest generation Advanced Universal Harmonic Filter (AUHF) has built on this success and now is the solution of choice for many of the major VFD manufacturers and is being specified by many consulting engineers worldwide.