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This was likely the first engine to use a lean-burn system to regulate engine speed and output. In this manner, the engine fired on every power stroke and speed and output were controlled solely by the quantity of fuel injected. In 1890, Brayton developed and patented a four-stroke, air-blast oil engine. [9]
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 ...
At synchronous speed of 1800 RPM, generator will produce no power. When the driving speed is increased to 1860 RPM (typical example), full output power is produced. If the prime mover is unable to produce enough power to fully drive the generator, speed will remain somewhere between 1800 and 1860 RPM range.
A modern Stirling engine and generator set with 55 kW electrical output, for combined heat and power applications. At high temperatures and pressures, the oxygen in air-pressurized crankcases, or in the working gas of hot air engines, can combine with the engine's lubricating oil and explode. At least one person has died in such an explosion. [73]
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Due to high cost of a generator, a set of sensors and limiters will trigger the alarm when the generator approaches the capability-set boundary and, if no action is taken by the operator, will disconnect the generator from the grid. [3] D-curve expands with cooling. The D-curve for a particular generator can be expanded by improved cooling.
Stirling engines can power pumps to move fluids like water, air and gasses. For instance the ST-5 from Stirling Technology Inc. power output of 5 horsepower (3.7 kW) that can run a 3 kW generator or a centrifugal water pump. [22]
The Kenneth C. Coleman Generating Station was a coal-fired power plant owned and operated by Big Rivers Electric Corporation near Hawesville, Kentucky. Plant Data [ edit ]