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Charlotte Stonestreet
Managing Editor |
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Energy costs cut
05 December 2016
£4800 per year has been cut from a tile manufacturer’s energy bill following the replacement of a fluid coupling with a variable-speed drive (VSD) on one of its glaze mills.

The fluid-coupling at British Ceramic Tile (BCT)’s production facility in Devon connected a motor to a gearbox, and regulated the speed of the drum which grinds the frit used in the glazing of tiles. However, the fluid coupling was proving unreliable, suffering random failures resulting in oil leakage from temperature hot spots.
Authorised value provider, APDS, replaced the fluid coupling with a VSD, resulting in an energy saving of 30 percent. This is attributed, in part, to the reduced starting torque, which draws 100A for the first minute compared to the same current being drawn for over an hour with the fluid coupling.
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