Press Release
CONTROL TECHNIQUES PROVIDES SWEET SOLUTIONS AT BRITISH
SUGAR
The latest project at British Sugar Cantley near Norwich has
again specified variable speed drives from Control Techniques
A new beet finisher drum, with associated high pressure
spraywater pump has been installed to reduce the dirt and sand
entering the beet process.
Unidrive SP drives from Control Techniques, ranging from just 3
kW to up to 250 kW were specified for all of the key motor control
operations in this project, an investment by British Sugar that was
in excess of £1 million.
The new plant provides thorough cleaning of the beet at the
start of the process, reducing the amount of sand, dirt and stones
entering the processing line, cutting damage from abrasion and
reducing general wear and tear further down the line.
Control Techniques drives were specified throughout, “because we
have found that they give us increased reliability, compared with
other drive systems,” says Graham Goodrum, Electrical Engineering
Team Leader at British Sugar Cantley. “Control Techniques is
now our drive of choice on site for a number of reasons,” he
says. “We find the drives easy to use – we particularly like
the SmartCards that cut parameter set-up times. They are
ultra-reliable, reducing our maintenance costs and, very important
for such a safety-conscious site, they include a secure-enable
function. The drives have special modules that allow direct
communications with the rest of the plant and, on some
applications, such as the beet finisher, there is a huge start-up
torque and the Control Techniques drives give more than 180%
start-up current to get it moving. The closed loop vector
mode gives us positive, accurate feedback of machine speed, so that
we can be confident that everything is operating within safety
limits.”
Previously, a beet shaker, several mini-stone and weed catchers
and a 132 kW spray water pump provided the initial cleaning.
Now, the upgraded ‘Maguin’ beet washing plant comprises a rotary
drum driven by two variable speed electric motors, a high pressure
spray water pump, a new stone catcher and a sand screen.
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