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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 ...
History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') [1] is the systematic study and documentation of the human past. [2] [3] The period of events before the invention of writing systems is considered prehistory. [4] ". History" is an umbrella term comprising past events as well as the ...
The Empire of Japan, [c] also referred to as the Japanese Empire, Imperial Japan, or simply Japan, was the Japanese nation-state [d] that existed from the Meiji Restoration in 1868 until the enactment of the reformed Constitution of Japan in 1947. [8] From 29 August 1910 to 2 September 1945, the Empire of Japan included present-day Japan, Kuril ...
Monosodium glutamate ( MSG ), also known as sodium glutamate, is a sodium salt of glutamic acid. MSG is found naturally in some foods including tomatoes and cheese in this glutamic acid form.