Turbine Tip No. 3, contributed by PAL Turbine Services’ Owner/GM Dave Lucier, applies to General Electric Frame 5 models K-LA and M-P, early 6Bs, 7Bs, and 7Cs. Gas-turbine auxiliary systems require periodic maintenance to assure that your engines achieve the availability and reliability metrics necessary to satisfy plant and grid operational objectives. Often taken for

Editor’s note: Given the existence of several standards for the classification of gas-turbine inlet filters, which can cause confusion in the minds of at least some owner/operators, Donaldson has developed a user-friendly filter rating system that measures efficiency and two other properties crucial to power output and cost control. The company’s goal is to build

With the power-generation sector shifting its fuel mix to an increased dependence on natural gas, the decreased downstream volume and unreliable gas pressure can wreak havoc on legacy power production facilities. It can be challenging for an ageing plant to remain a relevant, competitive, and reliable resource. “If your gas supply system operates at a

It’s important to have a comprehensive checklist of what to inspect on your HRSG, and how, before conducting a condition assessment of your equipment for plant management and/or due diligence purposes. Your checklist may have scores of items to review but it’s impossible to identify everything to look at—usually because your depth of knowledge and

Stellite liberation from large valves installed in main and hot reheat (HRH) steam systems serving F-class combined cycles, considered a major industry problem 10 years ago, has been eliminated by substituting chrome carbide as the hard-facing material for critical valve parts. The editors first learned of stellite delamination at the 2009 7F Users Group Conference