self excitation

self-excited

[self-ik-sahy-tid]
adjective Electricity.
noting a generator with magnets that are excited by the current it produces.

Origin:
1895–1900

self-excitation [self-ek-sahy-tey-shuhn, -si-] , noun
self-exciter, noun
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World English Dictionary
self-excited
 
adj
1.  (of an electrical machine) having the current for the magnetic field system generated by the machine itself or by an auxiliary machine coupled to it
2.  (of an oscillator) generating its own energy and depending on resonant circuits for frequency determination

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