Combined Gas turbine-eLectric And Gas turbine
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COmbined Gas turbine eLectric And Gas turbine (COGLAG) is a type of ship propulsion system. At low speeds and cruising, electric propulsion by turbo-electric system using a gas turbine engine is used, and at high speeds, mechanical drive by another gas turbine engine is also used to obtain thrust. It is mainly used on ships. The engine for driving the generator is a diesel engine is called Diesel Electric Gas Turbine Combined Propulsion System (CODLAG).
The COGLAG propulsion system provides a top speed of 30 knots for Maya-class destroyers while substantially improving fuel efficiency and greatly minimizing life-cycle costs compared with propulsion plants for previous JSDF destroyers. COGLAG optimizes power management while readily allowing the incorporation future, more advanced systems, such as directed-energy weapons.[1]
Applications[edit]
- Test ship JS Asuka
- 2nd generation Asahi-class destroyers
- Maya-class destroyer
See also[edit]
- Gas turbine engine
- Turbo-electric
References[edit]
- ↑ Wertheim, Eric (December 2020). "Japan's New Aegis DDG". 146 (12). Retrieved October 20, 2022.
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