Maintaining energy efficiency as cooling demand varies

BLDC (Sensorless Brushless Direct Current) / PM (Permanent Magnet) motors, combined with a variable frequency drive and Reftronix CDU controller, provide highly energy efficient solutions for CO2 refrigeration systems

Invertek Drives provides a simple to use and reliable approach to achieving the highest possible energy efficiency, precise cooling performance and low noise solution with BLDC/PM compressors.

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Reftronix recommend the Invertek variable frequency drive (VFD) to fully harness the energy efficient performance of BLDC (Sensorless Brushless Direct Current) / PM (Permanent Magnet) motors. The drive works in conjunction with the Reftronix controller to modulate compressor speed and consequently unit cooling capacity. Variations in load are managed precisely combined with constant control of the compressor envelope.

The invertek drive is fully integrated with the Reftronix controller. All setup, monitoring, alarms, and detailed fault diagnostics, are accessible from the controller webpage and the cloud link.

Invertek Drives provides World leading performance

The high pressure difference in refrigeration systems can mean extremely high torque demands from the compressor at start up. Many variable speed drives struggle to cope with this demand, requiring additional and costly safeguards to be built into the refrigeration system. The Invertek Drive is designed to provide 100% reliable start up in all conditions, regardless of torque demand.

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IM - IE2 & IE3 Induction Motors | PM - AC Permanent Magnet Motors | BLDC - Brushless DC Motors | SynRM - Synchronous Reluctance Motors
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