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Gas Turbines

Gas Turbines

Often called “gas turbine engines,” gas turbines are a type of internal combustion engine that uses a high-temperature gas to rotate the turbine generating power or propulsion. Gas turbines are used as jet engines for airplanes, but the gas turbines we provide after-sales service for are used for power generation.

The benefit of gas turbines is that they produce a lot of output despite their small size.
Compared to diesel engines, they also produce less nitrogen oxide (NOx) and hydrocarbon emissions, and take up less space. In addition to power generation, their short start-up times make gas turbines a good choice to power pumps for emergency disaster relief, as well creating water-jet propulsion for high-speed boats.

Thermal power plants using gas turbines are increasingly using combined-cycle systems.
Combined cycle plants use the high-temperature exhaust gas from the gas turbine in a heat recovery steam generator (HRSG) to produce high temperature steam used in a steam turbine, generating electricity. Compared to a gas turbine alone, this increases plant efficiency, with recent plants efficiency passing 60% (among the highest levels in the world).

To increase the efficiency of a gas turbine itself, manufacturers are working on increasing the inlet temperature of a gas turbine.
MHPS Takasago Works is producing gas turbines with an inlet temperature over 1,600°C (among the highest levels in the world).

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