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UKIVA Machine Vision Conference



Join us on 15 July 2021 on the MVC Technology Presentation Hub and explore eight online seminar theatres. (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

06/10/2021 - 07/10/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Inverters cut water treatment energy bills

When Sri Lanka’s MAS Fabric Park wanted to reduce the current energy consumption at its waste water treatment plant, it looked no further than Invertek’s proven variable frequency drives technology, which has already seen savings of between 28,000 and 30,000kWh of energy every month.

Harsha Deraniyagala, deputy general manager for hydro and environment at the park which is situated in Thulhiriya, said: “We are delighted with the results as the Invertek installation is already returning an OPEX saving of about Rs 4.5million per annum, and the costs entailed will be paid back in just a ten-month period.

The park had been running with four 22kW rated recirculation pumps fixed inside the deep aeration tanks, with motors running for a minimum of 22 hours per day. The aim was to try to save at least 25% of the consumption by fitting variable speed drives. Inverters were also fitted to a 75kW aeration blower and 11kW high lift pump. The success means that the drives are now being considered for a sister plant.

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