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The approach to maintenance in the power industry has changed in recent years. Many energy suppliers are now focusing on equipment reliability to strengthen their competitive position and secure a higher return on investments. In a time of shrinking budgets and growing demands, moving beyond conventional maintenance practices becomes a means to an end.

Utilities today face a number of unique challenges: in view of the steadily growing demand for energy, network capacities need to be expanded, availability improved, and congestions and outages avoided. All this needs to be performed in the most cost-efficient way possible, because at the same time expenditures are being cut and great efforts are being made to extend average life cycles and minimize maintenance costs.

Condition monitoring provides the answer to these complex challenges. It provides all the technical information required to maintain utmost availability and at the same time maximize performance, including loading and lifetime benefits. This advanced monitoring solution surveys every link in the energy supply chain. Accurate monitoring of all primary components of a substation makes possible optimized loading and performance, and it helps increase the lifetime of the line.

GTA has been a supplier of innovative solutions for condition monitoring to the power industry for many years.

GTA’s innovative monitoring system contributes to the network optimization down to each element in terms of efficiency and reliability. It provides valuable information and reliable diagnostics. Failures can be predicted, unscheduled downtime is thus reduced, and equipment life is extended to a significant degree. That is condition-based maintenance.
In addition, capacity data analysis provides recommendations for how to maximize asset performance and levers existing overloading capabilities, espe- cially of transformers and overhead lines. This optimizes grid operation and grid asset management.

In power plants the typical applications are turbines, gearboxes and generators. These are mainly monitored by continuous protection systems. Supporting machinery like cooling pumps and exhaust fans etc. are typically equipped with online measuring systems, or are included in periodic round measurements with handheld devices.