Variable speed drives –┬áVL

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Drive efficiency is 25% higher
than the reference value
for the IE1 class.

Variable speed drives play a key role in energy management as they provide an extremely efficient way of controlling electric motors. They:

  • eliminate start-up current peaks
  • minimise reactive power due to phase variation between voltage and current
  • control motor speed.
In particular, in applications where one quantity has to be kept constant, such as water or air pressure, the drive’s integrated PID controller runs the electric motor at the speed best suited to demand from the load, and stops it when it is not needed.

The drive efficiency is 25% higher than the reference value for the IE1 class.

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Range

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VLB3

  • Three phase power supply 400…480VAC
  • Three phase motor power 0.4…110kW (400V)
  • Compliant with EN/BS 61800-3 standard, cat. C2
  • LCD display with complete description of programming┬áparameters.
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Integration with SYNERGY

All the families of variable speed drives in the LOVATO Electric catalogue have an integrated RS485 communication port with Modbus-RTU protocol for direct interfacing with SYNERGY.

SYNERGY can be used to monitor quantities like:

  • motor speed
  • motor drive frequency
  • alarm states.

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