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DG/DG# – diesel generator ('#'- means identification letter or number of the equipment i.e. DG3 or DG#3 means diesel generator nr 3) DGA – diglycoamine; DGDS – dual-gradient drilling systems; DGP – dynamic geohistory plot (3D technique) [10] DH – drilling history; DHC – depositional history curve; DHSV – downhole safety valve
The turbine's hot exhaust powers a steam power plant (operating by the Rankine cycle). This is a combined cycle gas turbine (CCGT) plant. These achieve a best-of-class real (see below) thermal efficiency of around 64% in base-load operation. In contrast, a single cycle steam power plant is limited to efficiencies from 35 to 42%.
The rotor of a turbo generator is a non-salient pole type usually with two poles. [5] The normal speed of a turbo generator is 1500 or 3000 rpm with four or two poles at 50 Hz (1800 or 3600 rpm with four or two poles at 60 Hz). The rotating parts of a turbo generator are subjected to high mechanical stresses because of the high operation speed.
GIA—Generator Interconnection Agreement (electricity) GIC—Gas Inventory Charge (natural gas) GISB—Gas Industry Standards Board (now NAESB) (US) (natural gas) GLDF—Generator to Load Distribution Factor. See Load balancing (electricity) Gm 3 —Billion cubic metres (measurement – gas) GMO—Genetically modified organism
The basic operation of the gas turbine is a Brayton cycle with air as the working fluid: atmospheric air flows through the compressor that brings it to higher pressure; energy is then added by spraying fuel into the air and igniting it so that the combustion generates a high-temperature flow; this high-temperature pressurized gas enters a ...
Closed-cycle gas turbine schematic C compressor and T turbine assembly w high-temperature heat exchanger ʍ low-temperature heat exchanger ~ mechanical load, e.g. electric generator. A closed-cycle gas turbine is a turbine that uses a gas (e.g. air, nitrogen, helium, argon, [1] [2] etc.) for the working fluid as part of a closed thermodynamic ...
A steam turbine with the case opened Humming of a small pneumatic turbine used in a German 1940s-vintage safety lamp. A turbine (/ ˈ t ɜːr b aɪ n / or / ˈ t ɜːr b ɪ n /) (from the Greek τύρβη, tyrbē, or Latin turbo, meaning vortex) [1] [2] is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.
An example of a Capstone-powered hybrid vehicle is the Capstone CMT-380, equipped with a 30 kW gas turbine generator running on diesel that recharges Li-Poly batteries when necessary. The CMT-380 has a proposed range of 80 mi (130 km) on battery alone, but when combined with the microturbine that range is pushed to more than 500 mi (800 km).