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Industrial gas turbines differ from aeronautical designs in that the frames, bearings, and blading are of heavier construction. They are also much more closely integrated with the devices they power—often an electric generator—and the secondary-energy equipment that is used to recover residual energy (largely heat).
In areas with a shortage of baseload and load following power plant capacity, a gas turbine power plant may regularly operate during most hours of the day and even into the evening. A typical large simple-cycle gas turbine may produce 100 to 300 megawatts of power and have 35–40% thermal efficiency.
Natural gas plants use a gas turbine where natural gas is added along with oxygen which in turn combusts and expands through the turbine to force a generator to spin. Natural gas power plants are more efficient than coal power generation, they however contribute to climate change, but not as highly as coal generation.
Almost all coal, nuclear, geothermal, solar thermal electric power plants, waste incineration plants as well as many natural gas power plants are steam–electric. Natural gas is frequently combusted in gas turbines as well as boilers. The waste heat from a gas turbine can be used to raise steam, in a combined cycle plant that improves overall ...
Gas turbines accept most commercial fuels, such as petrol, natural gas, propane, diesel fuel, and kerosene as well as renewable fuels such as E85, biodiesel and biogas. Starting on kerosene or diesel can require a more volatile product such as propane gas. Microturbines can use micro-combustion. Full-size gas turbines often use ball bearings.
Typical gas hazards are from hydrocarbon compounds, but hydrogen and ammonia are also common industrial gases that are flammable. Class I, Division 1 classified locations An area where ignitable concentrations of flammable gases, vapors or liquids can exist all of the time or some of the time under normal operating conditions.
Exxon Mobil is one of the largest oil-and-gas companies in the world, with more than 11,000 gas stations across the U.S.In 2023, the company generated $36 billion in profits and $55.4 billion in ...
Kearny Generating Station, a former coal-fired base load power plant, now a gas-fired peaker, on the Hackensack River in New Jersey. Peaking power plants, also known as peaker plants, and occasionally just "peakers", are power plants that generally run only when there is a high demand, known as peak demand, for electricity. [1]