Lenze modules reduce energy consumption and costs
A
Lenze product story
Edited by the Engineeringtalk editorial team
Jan 20, 2009
Lenze has developed two regenerative power supply modules that take kinetic energy created when slowing or stopping a machine and direct it back into the mains, reducing energy consumption and costs.
The company said the same can apply with potential energy in machinery such as inclined conveyors and lifts.
The new design, which suits the 9400 servo drive range, achieves a high degree of efficiency during both power supply and regenerative feedback.
This suits applications even where the regenerative power is relatively low.
The regenerative power supply modules are available with two power ratings.
The smaller model delivers 15kW of power and is able to feed 7.5kW back into the mains.
The larger model supplies 27kW with 13.5kW available for power recovery.
The regenerative power supply modules are ideal for use where either continuous (for example on unwinders) or cyclic braking energy is produced.
Examples of cyclic braking include hoists and positioning drives.
Instead of converting the energy to heat via brake resistors, which is highly inefficient, this energy can be easily recovered.
As a result, energy efficiency is increased while running costs and CO2 emissions are reduced.
The RPS modules belong to the Lenze L-force drive and automation platform.
They are designed for easy integration with the Lenze 9400 servo drives because, as modern servo drives machinery runs faster, the amount of kinetic energy that can be saved is greater.
These savings can greatly influence the running and life cycle costs of a machine, Lenze said.
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Contact Lenze
Tel +44 1234 321200
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