Hitachi Case Studies Wind turbines using digital technology
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Wind turbines using digital technology

Hitachi
Energy
Maintenance
Predictive Maintenance

Issues involved in expanding commercialization of wind power

In 2015, the worldwide capacity of renewable energy facilities exceeded that of coal-fired power.*1 With the aim of creating a low-carbon society, in July 2012, Japan put into effect the feed-in tariff scheme for renewable energy, stimulating the construction of solar and wind farms. In 2016, the full liberalization of the electrical retail business resulted in an increasing number of companies planning either to enter the power generation field or to expand their business. These market conditions engendered a need for the development, design, manufacturing, and sales of wind turbines optimized for Japan's environmental conditions. Utilities considering entering the field of wind power also sought assistance in the streamlining of maintenance and other such business operations.

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Saibu Gas, a Japanese gas company based in Fukuoka, Japan. It supplies gas to the Northern Kyushu region, including in the area of Fukuoka, Saga, Nagasaki, and Kumamoto.

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Lumada IoT platform:

Using proprietary data mining technology, this predictive diagnostics solution can infer causes of failures by collecting large amounts of operational data from sensors incorporated into the equipment of wind turbines and other power generation facilities, analyzing such with automated diagnostics technology, and detecting signs of failure. It also makes use of accumulated data on historical events. Another of its features is a user-friendly interface that contributes to the standardization of facility maintenance by removing the need to rely on the personal experience and instincts of expert engineers to determine faults.

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Mature (technology has been on the market for > 5 years)
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[Efficiency Improvement - OEE]

Causes of failures can be investigated before faults occur.

[Cost Reduction - Maintenance]

Inspections can be carried out at suitable times to reduce maintenance costs and prevent major accidents.

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