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GE’s advice for fixing the problem can curb turbine use by utilities, according to the sources and utilities that use GE turbines, potentially threatening the revenue streams at the power plants. At private meetings in Florida and London last month, GE executives said the company is offering extended warranty coverage and making spare parts available to ease concerns of insurers, lenders and utilities interested in buying turbines, according to a GE executive’s slideshow presentation and three people who attended the meetings. Some said they signed non-disclosure agreements black pearl cufflinks.
GE told participants that turbines with at-risk blades should run for fewer than about 7,000 hours depending on individual plant circumstances, before shutting down for blade replacement, according to two people who attended the meetings. GE said it had advised customers of the change. GE’s previous guidance for blades was after 25,000 hours black pearl cufflinks. The executives also said in the meetings that the blade that broke in 2015 at an undisclosed power plant was in a GE 9FB turbine, which has similar technology to the HA turbine that broke in Texas. The 2015 break prompted GE to work on new protective coatings and alter a heat treatment process for the parts, a second presentation showed..
(GE turbine outage data: tmsnrt.rs/2Rs5mU3). GE told Reuters that after the blade broke in 2015, GE did not know at first that the problem would also afflict its HA models. “The HA components were in development before the initial 9FB issue occurred, and the HA units began to ship while the root-cause analysis was in process and before it was determined that it was a component issue that impacted the 9FB fleet and the HA,” GE said in a statement to Reuters. GE declined to provide more detail about the 2015 blade break or usage restrictions, saying some of the information is proprietary black pearl cufflinks.
“We are executing the plan we laid out to fix the (blade) issue,” GE said in a statement to Reuters. “The feedback from customers has been positive, and they continue to choose the HA, which remains the fastest-growing fleet of advanced technology turbines in the world today.” black pearl cufflinks. The details from GE’s meetings come as GE is installing new blades in about 50 9FB and 52 HA turbines, according to a person familiar with the matter, fewer than the 130 estimated after the blade break in Texas prompted it to warn that other turbines are at risk for blade failure..
Reuters previously reported that GE found an oxidation problem, not a break, in 2015 and developed a fix before the failure in Texas. Scaling back use of GE turbines reduces how much electricity they produce, a threat to revenues and profits for Exelon Corp, PSEG Power LLC, Chubu Electric Power Co Inc and others with the 400-ton GE machines that form the core of modern gas-fired power plants, according to utilities and industry experts black pearl cufflinks. Japan’s Chubu Electric said it learned about the blade problem with its six new GE turbines last October. It is restricting operation time at one of the two plants that use GE’s HA turbines, but expects to have “enough reserve capacity to generate sufficient electricity to meet demand during this winter,” a spokesman told Reuters. He said Chubu will tally the financial impact “depending on how long the plants would be shut down” to replace blades. It expects repairs to be completed by the end of February..