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Rockwell Automation Increases VFD Output Frequency for High-speed Motor Applications

Demanding manufacturing environments, such as utility, oil, gas and mining operations rely on medium voltage power to drive large industrial motors – often running 24 hours a day.

Rockwell Automation Increases VFD Output Frequency for High-speed Motor Applications

Meeting these needs, Rockwell Automation announces new enhancements to medium voltage PowerFlex® 6000T variable frequency drives (VFDs).

PowerFlex 6000T drives
with TotalFORCE® technology deliver more than just high-performance motor control. The VFDs deliver real-time operating system data that can help increase productivity and energy savings.

To meet customer demand for greater output frequency range, Rockwell Automation expands the PowerFlex 6000T variable frequency drive range up to 120 Hz.

The new output frequency range meets the needs for high-speed industrial applications, including turbines, compressors and pumps.

The PowerFlex 6000T motor controller also offers the new RealSine™ solution. The option helps reduce input harmonics to lower levels than the industry standard. Ranging from 2.4…4.16 kV up to 215 A, each individual secondary winding is specially phase-shifted to achieve 54 or 72 pulse respectively – compared to typical 18 or 24 pulse designs.

The new design offers up to 30% improvement in total harmonic current distortion at the drive primary side. By reducing harmonic distortion, the VFD improves system efficiency, reduces energy cost and minimizes power distribution issues on the factory floor.

PowerFlex VFDs are manufactured on four continents, making this energy-saving factory-ready motor control technology available to markets around the world.

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