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Distributed Wind Operations and MaintenanceDistributed wind power presents distinct operations and maintenance challenges compared to large utility-scale farms. Whereas centralized facilities benefit from economies of scale, smaller turbines located across diverse terrains incur higher servicing expenses per megawatt. Isolated single installations in remote agricultural or industrial areas are difficult for technicians to access regularly. Adverse weather and terrain also slow repairs. However, distributed wind still provides affordable renewable energy solutions for off-grid needs when properly maintained.
To efficiently handle dispersed assets, O&M managers rely on remote monitoring technologies. Sensors in nacelles transmit performance data via cellular networks or satellite, alerting to issues before significant downtime occurs. Drones equipped with cameras and diagnostics perform rapid visual inspections of hard-to-reach components. Artificial intelligence assists in identifying maintenance priorities from large datasets.
As part of the Green Innovation Fund Projects supported by NEDO, Toshiba Energy Systems & Solutions Corporation (Toshiba ESS) is working on the Cost Reductions for Offshore Wind Power Generation project. Their focus is on improving the technology used to operate and maintain offshore wind turbines. Recently, Toshiba ESS conducted demonstration activities at the Sozu Wind System wind farm in Ehime Prefecture, Japan, owned by Shikoku Wind Power Co., Ltd. They have successfully evaluated technology for fully automated inspections of large wind turbine blades using drones. This technology allows drones to detect the position and movement of wind turbines and their blades, capturing images for inspection purposes. Toshiba ESS aims to complete the technology verification for fully automated inspections by February 2024.
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