There are several reasons stacks don’t get much attention from operators on their rounds—among them: They’re static and there’s nothing much to see externally except perhaps peeling paint. Forgetting the switchyard, they’re likely a longer walk from the control room base than any other plant component. Internal access is not possible with the plant in […]
Don’t forget the stack in your annual inspections Read More »
By Vaughn Watson, Vector Systems Inc The performance of an SCR system depends on the robustness and efficiency of the sum of its parts. The flow-distribution devices placed into the exhaust stream are no exception. Each of the critical parts of the system must be designed and built to effectively provide the proper distribution and
EMISSIONS CONTROL: The importance of perforated-plate design in simple-cycle SCR systems Read More »
The headline should not surprise any reader of the COMBINED CYCLE Journal. It’s a “given.” The challenge is how to maximize the saving at the least cost. Until relatively recently, the widely preferred method for cleaning tubes in heat-recovery steam generators serving cogeneration and combined-cycle plants was dry-ice blasting. It effectively dislodges iron oxides, ammonia
GROOME BOOM: Clean HRSG tubes save fuel, improve plant’s bottom line Read More »
Real-world case studies with EMI Wireless monitoring solutions A recent webinar presented by Cutsforth Inc focused on electromagnetic interference monitoring (EMI), a valuable diagnostic tool for detecting impending problems with generators, motors, isophase bus, bearings, and other plant equipment. Primary presenter and discussion leader was Kent Smith, well respected in the electric power industry for
Advancements in generator monitoring pay huge dividends Read More »
EthosEnergy Group presented two complementary webinars in early fall: “Turndown or shutdown?” and “How to keep your aging GE gas turbine running longer”. Presenter and moderator for the first was Jeff Schleis, chief engineer, products and application. He was supported by Principal Engineer Chris Chandler, an expert in turbine optimization and engineered solutions for gas turbines.
Turn down to mitigate the effects of increased cycling on your GT Read More »
If there was a positive outcome of the pandemic for power O&M professionals it might be the emergence of the webinar as an indispensable training tool. Power Users relied on the virtual medium to conduct the annual meetings of its various user groups for a year or two until Covid subsided. Its HRSG Forum continues
On-Demand: GE Vernova firmly focused on rotor and CCGT O&M solutions Read More »
Robert Threlkeld generally called after receiving his copy of CCJ, “to catch up.” Sometimes he had questions on the content, other times an article triggered an experience that he thought worthwhile sharing. The last time we spoke, in mid-May, he was torn between attending the HRST Academy in Avon, Colo, and the HRSG Forum in
Eight Bells: Robert Threlkeld Read More »
H O Clarke, Topaz, and Braes Bayou Owned by WattBridge Operated by ProEnergy 1248 MW (Clark and Braes Bayou each have eight 48-MW LM6000PC engines; Topaz, ten 48-MW LM6000PC machines). All are gas-fired peaking units located in the Houston area Plant manager: Kevin Chaffin Challenge. By their nature, peaking units must have high availability. As
WattBridge: Modeling for successful proactive remote monitoring and diagnostics Read More »
H O Clarke, Topaz, and Braes Bayou Owned by WattBridge Operated by ProEnergy 1248 MW (Clark and Braes Bayou each have eight 48-MW LM6000PC engines; Topaz, ten 48-MW LM6000PC machines). All are gas-fired peaking units located in the Houston area Plant manager: Kevin Chaffin Challenge. Today’s O&M environment faces a triple challenge: First, staff shortages
WattBridge: Roving work crews effectively support small onsite staffs Read More »
H O Clarke, Topaz, and Braes Bayou Owned by WattBridge Operated by ProEnergy 1248 MW (Clark and Braes Bayou each have eight 48-MW LM6000PC engines; Topaz, ten 48-MW LM6000PC machines). All are gas-fired peaking units located in the Houston area Plant manager: Kevin Chaffin Challenge. Climatic stress has no geographic boundary. As more-frequent extreme-cold events
WattBridge: Seasonal shelters protect plant equipment in winter Read More »
