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Many benefits are obtained from devices that use PWM (Pulse Width Modulated) technology, however the output from these devices are square wave forms. Many applications require a more sinusoidal output, thus ruling out these economical and efficient solutions.

The MotorGuard High Performance Output Filter has been designed to be installed at the output terminals of PWM devices. The KMG filter converts the PWM wave form to a near sinusoidal wave form, allowing sensitive applications to take advantage of the efficiencies and savings that PWM output power supplies offer.

Typical Applications

• Extreme long motor lead lengths. Specific applications can reach 15,000 feet.
• Low voltage PWM power supply to medium voltage motor.
• Multiple motor applications such as conveyors, blowers, pumps, and fans.
• Test floor and test stand applications.
• Shore to ship power for non-60 Hz systems.
• HVAC systems to include air distribution ducts and fans.

KMG Sinewave Output Filter Benefits
• Reduced common mode current
• Reduction in bearing currents
• Reduced motor noise, vibration, and heat
• Extreme long lead applications
• Increase in motor life
• Elimination of torque ripple
• Elimination of voltage wave reflection