Inverters save feed manufacturer £17,000 per annum 19 May 2011

An unnamed animal feed manufacturer in Merseyside has seen plant electricity usage fall from £94,000 per year to £77,000, so lowering the cost per tonne of its end product by 18%.

The firm used Control Techniques drives partner Rewinds & J Windsor to conduct an energy audit, which revealed 12 motors and motor/fan units as offering the greatest payback.

Once go-ahead was given, 12 drive panels containing Commander SK inverters, from 5.5kW to 37kW, were built at RJW's panel building department and installed by the company's site installation team

A spokesperson for the animal feed company says that the investment required was £14,000 and confirms the first year returns as £17,000.

Additional benefits reported by the site's engineers include better plant reliability, which in turn has resulted in maintenance savings and reduced downtime.

Brian Tinham

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