O&M Clinic for Legacy GE Gas Turbine Users Turbine Tip No. 13 by Dave Lucier, owner/GM, PAL Turbine Services, applies to General Electric package power plants (PPP), including Model Series 5001P, 6001, and 7001. GE gas turbines are equipped with dc emergency lube-oil pumps (GE designate 88QE). This device is controlled at the motor control […]
Turbine Tip 13: How to test your emergency lube-oil pumps Read More »
O&M Clinic for Legacy GE Gas Turbine Users Turbine Tip No. 11 by Dave Lucier, owner/GM, PAL Turbine Services, applies to General Electric package power plants (PPP), including the following: Model Series 5001, 6001, and 7001. GE installed heaters in the accessory and turbine compartments (combustion-chamber area) to maintain their space temperatures at levels that
Turbine Tip 11: Compartment heaters not for creature comfort Read More »
If you’re having difficulty with your F-class gas turbine OEM when it comes to repair of hot-gas-path (HGP) components, MD&A wants you to know they not only have the experience you are seeking, but also enhancements, which will extend service life, plus better transparency and customer oversight throughout the repair process. In the “Extending Service
Maximizing the lifetime of gas-turbine hot parts Read More »
The spate of lawsuits filed in the aftermath of the 2021 winter storm that left millions in Texas without power for days and sent natural-gas prices soaring to their highest levels in years—up nearly 17,000% in some cases, according to a Wall Street Journal report—testify to the value of having dual-fuel gas turbines as part
The road to 100% reliability in liquid-fuel starts, transfers on dual-fuel gas turbines Read More »
The numbers are eye-opening: 20-MW gain in simple-cycle output, 3.8% heat-rate improvement in simple cycle, a stable GT turndown to 38%, and less than 9-ppm NOx across the load range. That’s what PSM and Salt River Project’s (SRP) Desert Basin Generating Station reported at the 2021 501F Users Conference after upgrading a 2001 vintage Siemens
Desert Basin reports experience, success with first 501F FlameTOP7 upgrade Read More »
Keep this list of acronyms nearby during WTUI’s 2021 virtual conference. You’ll find that most speakers talk in “shorthand,” using acronyms freely. If you’re not up to snuff on your aero lingo you can get lost in a hurry and possibly miss key points. The “cheat sheet” that follows can help you remain focused. AGB—Accessory
LM Engine Common Acronyms Read More »
You can add another color to the burgeoning spectrum that is hydrogen as an energy stream: turquoise. According to Brad Bradshaw, speaking on the Hydrogen Energy Center’s (HEC) Apr 23, 2021 webinar (on-demand below), “Decarbonizing the Gas Grid with Hydrogen,” turquoise H2 is methane subjected to pyrolysis to split it into hydrogen and solid carbon.
What color is your hydrogen? Read More »
When you’re sick, or something seems “off,” what do you do? Many people search the web, often arriving at a WebMD, Mayo, or equivalent site, for some initial information. If symptoms persist, you go to your primary-care physician. The doc may tell you to see a specialist or even a surgeon. Thankfully, when your steam
How to straighten a bowed steam-turbine rotor Read More »
Matt Foreman, platform leader, Combined-Cycle Steam-Turbine Services, opened the GE Day program at the 2020 virtual meeting of the Steam Turbine Users Group (STUG) with an overview of the topics to be discussed, including: fleet updates, valve and turbine-casing cracking, valve upgrade experience, D11 rotor bow, assessments to improve operability and reduce O&M spend, and
What GE told STUG2020 attendees about its steam turbines Read More »
EPRI led a research effort from 2013 to 2015 to identify contributing factors to the large number of hardfacing failures—a/k/a delamination or disbonding events—experienced industry-wide. The project purposely engaged stakeholders in the valve supply chain with both users and valve manufacturers sponsoring the effort. Content summaries of the three technical update documents issued in 2015
EPRI reports offer a short course on delamination of hardfacing and how to avoid it Read More »
