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VLT® 2800 lift engines and axles into Nissan cars in South Africa

“The VLT® 2800 variable speed drives are well suited for this application where 300 V DC input is supplied to control 220 V three-phase motors,” says Janie Wilemse, Project Manager at DirectTech. “We were very pleased to see that the VLT® 2800 worked first time with the unusual power arrangement being supplied to it. The AGV’s have been fully operational since we delivered them.”
Danfoss VLT drives energy saving ECplus

Increase Efficiency - Save Energy

A key factor for energy savings in building services is the use of variable speed drives for compressors, pumps and fans.

There are two decisive factors here: the efficiency of the motor (and the machine) and the energy efficiency of the application control.

Because of their high efficiency, the use of motors with permanent-magnet rotors is increasing. Motors with this technolocy are know as 'EC motors' in the HVAC sector.

To allow the users to benefit from the high motor efficiency of EC technology in all areas, Danfoss has refined its tried and tested VVC+ algorithm - as used in the VLT frequency drives - and optimised it for operating PM motors.