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These include energy storage , flexible demand and demand response. "Firm" low-carbon sources, which provide stable energy supply during all seasons and during periods up to weeks or months, and include nuclear power , hydro plants with large reservoirs, fossil fuels with carbon capture , geothermal and biofuels.
A specific model of a generator operated as a standby generator may only need to operate for a few hours per year, but the same model operated as a prime power generator must operate continuously. When running, the standby generator may be operated with a specified - e.g. 10% overload that can be tolerated for the expected short running time.
Stihl was founded in 1926 by Andreas Stihl, an innovator in early chainsaw production. Stihl says it is the world's best-selling brand of chainsaws and the only chainsaw manufacturer to make its own saw chains and guide bars. [4] Andreas Stihl AG is a privately held company owned by the descendants of Andreas Stihl.
An engine–generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine–generator set or a gen-set. In many contexts, the engine is taken for granted and the combined unit is simply called a generator. An engine–generator ...
Distributed cogeneration sources use steam turbines, natural gas-fired fuel cells, microturbines or reciprocating engines [30] to turn generators. The hot exhaust is then used for space or water heating , or to drive an absorptive chiller [ 31 ] [ 32 ] for cooling such as air-conditioning .
An operating reserve is a generator that can quickly be dispatched to ensure that there is sufficient energy generation to meet load. Spinning reserves are generators that are already online and can rapidly increase their power output to meet fast changes in demand. Spinning reserves are required because demand can vary on short timescales and ...
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The Space Shuttle auxiliary power unit [5] and the F-16 emergency power unit (EPU) [6] [7] use hydrazine as a fuel. The gas drives a turbine which drives hydraulic pumps. In the F-16 EPU it also drives an electric generator. Gas generators have also been used to power torpedoes. For example, the US Navy Mark 16 torpedo was powered by hydrogen ...