Monitoring & metering
Monitoring submerged pumps with AI technology
Northern Ireland Water’s submerged assets to support the delivery of a more cost efficient and sustainable service. Samotics was initially selected by Northern Ireland Water to provide continuous insight into the health, performance and energy efficiency of its sewage pumps as part of a pilot. After seeing early successes in the programme, Northern Ireland Water plans to roll out the SAM4 system to additional sites to further explore all its capabilities across a variety of pump types and processes. Ensuring the health of submerged pumps is
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vital to avoid costly, disruptive repairs and prevent damaging pollution events, but assets’ remote location makes it hard to acquire high- quality, high-frequency data. SAM4 solves this problem by analysing the current and voltage signals of electric-driven motor systems using a technique called electrical signature analysis (ESA). The system’s sensors install in the motor control cabinet, rather than on the pump itself, enabling reliable, remote capture of asset health data. The system also provides superior detection performance for both electrical and mechanical faults, allowing
amotics, a leading provider of real-time actionable insights to eliminate industrial energy waste and unplanned downtime, has grown the deployment of its AI- driven SAM4 system across
Nor thern Ireland Water to detect over 90 per cent of developing failures up to five months in advance. The decision to scale the number of assets
monitored by SAM4 was made as a result of significant successes across the programme. In the months following installation, Samotics detected developing faults in two pumps that could have resulted in the complete failure of these assets. Through early intervention, Nor thern Ireland Water successfully resolved issues and prevented estimated direct damage to the pumps of over £44,000. Most impor tant, Nor thern Ireland Water minimised the risk of potential pollution events and their significant environmental impact. Paul Foley, M&E field manager at Nor thern
Ireland Water says: “Nor thern Ireland Water has been adopting predictive maintenance at the problem sites. We selected Samotics and its SAM4 technology as it’s easy to install the hardware in our existing MCC panels, and because the SAM4 dashboard provides us with a lot of useful information. For example, SAM4 brought to my attention issues with one of our submersible pumps located in a busy office carpark. This insight helped me to plan crews, issue notifications and permits, as well as organise a 25-ton crane, which allowed us to lift and inspect the pump at the most optimal time, minimising downtime and maintaining pump resilience.”
SAM4 detected a developing fault in this submerged wastewater pump. Following the detection, the pump was lifted for inspection and the Northern Ireland Water team found that the claw connecting the pump to the discharge piping was hanging on with only one out of eight bolts.
August 2022 Instrumentation Monthly
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