The world’s largest gas turbine is a behemoth. Named Harriet, GE’s 500,000 bhp gas turbine cost around $ billion to develop and has the potential to run an entire 600-megawatt steam power plant all by its lonesome. But how do you test the world’s largest gas turbine?
Developed in Fʀᴀɴᴄᴇ, Harriet was built with one idea in mind: To create the most versatile, highest-perforᴍᴀɴce turbine on the market. Capable of burning anything from shale to liquid natural gas, Harriet’s interior, which was modeled in part after supersonic jet engines, can withstand temperatures of 1,600°C (2,900°F) and runs at an efficiency of 61 percent with minimal emissions.
While Harriet’s mechanical and economic potential is amazing, verifying its ability was a monumental feat in and of itself. To build a project, including building a gasworks facility that could provide Harriet with 180,000 gallons of liquefied natural gas. According to the giant conglomerate. one of the biggest challenges facing Harriet was her sheer power. Bringing the turbine online at full load could overwhelm a grid and cause significant ᴅᴀᴍᴀɢᴇ to infrastructure. Isolating Harriet was a must.
Once sequestered from the grid, Harriet was free to undergo a torturous series of tests that included testing the turbines’ maximum power output and putting it through extreme simulations, like severe grid instability. In just 3 months, they ran the turbine through operations that would normally take years to encounter in the field. They tested it at the maximum power output and simulated extreme events like severe grid instability caused by the oversupply of power and observed the turbine respond and bring the grid back to normal.
This hasn’t been done before. More than 50 customers flew in to see the test, including representatives from Fʀᴀɴᴄᴇ’s Electricite de Fʀᴀɴᴄᴇ.
Modern gas turbine power plants represent one of the most efficient and economical conventional power generation technologies suitable for large-scale and smaller-scale applications. Alongside this, gas turbine systems operate with low emissions and are more flexible in their operational characteristics than other large-scale generation units such as steam cycle plants. Gas turbines are unrivaled in their superior power density and are thus the prime choice for industrial applications where size and weight matter the most. Developments in the field look to improve on this perforᴍᴀɴce, aiming at higher efficiency generation, lower-grade gases, liquid fuels, and gasified solid fuels/biomass. Morden gas turbine science and engineering.
The first part of the book provides an overview of gas turbine types, applications,s and cycles. Part two moves on to explore major components of modern gas turbine systems including compressors, combustors, and turbogenerators. Finally, the operation and maintenance of modern gas turbine systems are discussed in part three. The section includes chapters on perforᴍᴀɴce issues and modeling, the maintenance and repair of components, and fuel flexibility.
Let’s see the amazing technology and modern gas turbine maintenance factory in the interesting video below.
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Video resource: MAMCHINERY & TECHNOLOGY
