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Coal Fired
Salt River Project Upgrades to GE’s Latest L-Frame EX2100e Solution

Salt River Project’s Navajo Generating Station (NGS) provides electric services to customers across Arizona, Nevada, and California as well as pump water through the Central Arizona project. By upgrading to GE’s newest control platform, the plant benefits from the latest technology and improved life cycle value.

Built in the mid-seventies, Navajo Generating station is a three-unit 2,250 megawatt coal-fired power plant located on the Navajo Nation in Arizona. NGS had retrofitted the original excitation systems with GE’s Ex2000 Excitation systems beginning in 2003. The large exciters represent a significant investment, but the Salt River Project team sought to leverage the benefits of the latest digital control technology to meet its stringent reliability and operational goals, while minimizing cost and installation time.

Hydro
NYPA – HydroX System

The New York Power Authority (NYPA) is America’s largest state-owned electric utility, operating 17 generation facilities and over 1,400 circuit-miles of transmission lines. NYPA launched the HydroX™ (Hydro Expert) project at the St. Lawrence FDR power project to transition from preventive maintenance at fixed calendar intervals to condition-based maintenance (CBM). NYPA needed a platform for HydroX that could integrate measurements from a wide range of sources and manufacturers – including generator control systems, partial discharge monitoring systems, and vibratin monitoring systems – and support automated data analysis with highly customizable expert system capabilities. NYPA was not aware of an off-the-shelf solution to meet their requirements and assumed they would have to develop a proprietary platform from the ground up.

Wind
Cracked Bearing Race Detection in Wind Turbine Gearboxes

Wind turbines are becoming established as an economically viable alternative to fossil-fueled power generation. Wind farms consisting of hundreds of units are now adding a significant amount to world generating capacity. As the size of wind farms continues to increase, business economics dictate careful asset management to minimize downtime and maximize availability and profits. A wind turbine condition monitoring system is essential to achieving that goal.

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