Predictive maintenance & condition monitoring


Smart monitoring and IIoT technologies improve onshore wind turbine uptime


Operators of onshore wind turbines are always looking to maximise power output and profitability. Therefore, any tool that can reduce turbine maintenance requirements and improve reliability is incredibly useful. To deliver these benefits, Altra Renewables has employed Industrial Internet of Things (IIoT) technology to provide smart monitoring of onshore wind turbine braking systems, which improves turbine reliability while simultaneously increasing uptime.


breakdowns not only incur maintenance costs, but also lost energy output. Fur thermore, maintenance is often


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challenging. Onshore wind turbines are usually located in remote areas. Key systems such as the brakes are inside the nacelle at the top of the tower, which can be 100 metres high. As a result, equipment is hard to access, and often has to be serviced at height. These challenges can increase the time and cost of maintenance, especially in emergency breakdown situations, fur ther compromising power output and profitability. Reducing maintenance requirements and increasing reliability is therefore key for these installations.


The smART AppROAch To help operators of onshore wind turbines, Altra Renewables provides 24/7 smar t monitoring solutions that


44 October 2021 Instrumentation Monthly


he profitability of any onshore wind turbine is directly tied to its ability to generate power. Any unforeseen


combine IIoT and data mining technologies to improve turbine uptime. A suite of sensors monitoring the


braking system provides data on a variety of parameters such as system pressure, brake pad wear, brake position, brake piston, brake fluid levels and temperature. This data is then uploaded to the cloud,


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