Page 10 - Industrial_Technology_EXTRA_May_11th_2020_Classical

POWER QUALITY...

Private workshop upgrades

machine tools with REO

Sine wave filter helps small rural

workshop power its new CNC machines
ower quality specialist REO deals mainly
with large or medium-sized equipment
manufacturers and electrical installers.
PSo, it was pleased to be contacted
directly by the private owner of a small vintage car
parts workshop in the South Downs, UK. The
customer was experiencing power issues while
upgrading its machine tools, for which the
CNW933 sine wave filter was identified as the best
solution.
Mark Groves wanted to upgrade the machine
tools in his small, privately-owned vintage car parts
workshop located near Chichester in the South
Downs. He had already purchased two machines
from a local supplier and also wished to move
towards computer numerical controlled (CNC)
operations. However, there were issues with the
power supply.
Firstly, there was no three-phase electric power
supply to the building. Being located in a small “But the tech guys at my local machine tools
village in the heart of the rural South Downs — a supplier were not happy with the raw output of a
range of hills across the south-eastern coastal pulse width modulation (PWM) converter. The
counties of England — meant that getting this solution was to fit a sinusoidal filter after the
installed would entail substantial overhead line convertor and run the new equipment from that.
work and significant costs. The workshop would “I found REO through an internet search. Their
instead have to rely on a normal, domestic single- website included all the information I needed,
phase supply. including detailed downloadable data sheets, which
“I’d been running equipment for years on a helped identify the CNW933 as the correct model
simple phase convertor,” explained Mark Groves. for my requirements.

May 2020 • INDUSTRIAL TECHNOLOGY EXTRA! • p10