Energy costs for the operation of a
90kW rotary compressor at Albion
Automotive, a UK automotive tier 1
supplier, have fallen by £14,000 per
year after compressor expert, Glaston
Compressor Services, fitted a Vacon
NXS variable speed drive controller.

The drive, which replaces a singlespeed
starter, works in conjunction
with a compressor management
system developed by Glaston. It is
arranged to ensure output of the
compressor always matches the
instantaneous demand for air.

To quantify the savings that would
be made possible, a free detailed
energy survey was carried out at the
site. The findings indicated that the
drive would provide savings of
£7000/year, against a total cost fo