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A flooded engine is an internal combustion engine that has been fed an excessively rich air-fuel mixture that cannot be ignited. [1] This is caused by the mixture exceeding the upper explosive limit for the particular fuel. An engine in this condition will not start until the excessively rich mixture has been cleared. [2]
A large section of the upper reservoir failed, draining over a billion gallons of water (4 million m³) in less than half an hour. There were no fatalities, but five people were injured. The failure resulted in permanent damage to the surrounding landscape and power generation did not resume until 2010. 2005 [13] [14] [15] Itaipu Dam: Paraná (BR)
Operation of second generator in case first generator will be loaded 80% of its capacity; Operation of standby generator, in case of malfunction in any one of the two generators; Manual, secured, semi-automatic and automatic mode operation selection of generators; Control selection for generators in engine control room
In 1974, in what was one of the most extreme cases of workplace sabotage up to that time, workers at the La Grande-2 site used bulldozers to topple electric generators, damage fuel tanks, and set buildings on fire. The project was delayed a year, and the direct cost of the damage estimated at CAD$2 million.
Many engine–generators use a reciprocating engine, with fuels mentioned above. This can be a steam engine, such as most coal-powered fossil-fuel power plants use. Some engine–generators use a turbine as the engine, such as the industrial gas turbines used in peaking power plants and the microturbines used in some hybrid electric buses.
In modern buildings, most emergency power systems have been and are still based on generators. Usually, these generators are diesel engine driven, although smaller buildings may use a gasoline-engine-driven generator. Some larger building have gas turbines, but they can take 5 or up to 30 minutes to produce power. [6]
Standby generators. A standby generator is a back-up electrical system that operates automatically. [1] Within seconds of a utility outage an automatic transfer switch senses the power loss, commands the generator to start and then transfers the electrical load to the generator. The standby generator begins supplying power to the circuits. [2]
Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...