Amajeneretha ayimishini eshintsha ezinye izinhlobo zamandla abe amandla kagesi. Aqhutshwa yi-turbine yamanzi, i-turbine yomusi, injini yedizili noma eminye imishini yamandla futhi aguqula amandla akhiqizwa ukugeleza kwamanzi, ukugeleza komoya, ukushiswa kukaphethiloli noma ukuhlukana kwenuzi abe amandla emishini adluliselwa ku-generator, eguqulwa abe amandla kagesi.
Amajeneretha asetshenziswa kabanzi ekukhiqizweni kwezimboni nakwezolimo, ekuvikeleni kwezwe, kwisayensi nakwezobuchwepheshe kanye nasekuphileni kwansuku zonke. Amajeneretha eza ngezindlela eziningi, kodwa izimiso zawo zokusebenza zisekelwe emthethweni wokungeniswa kwe-electromagnetic kanye nomthetho wamandla kagesi. Ngakho-ke, isimiso esijwayelekile sokwakhiwa kwawo yilesi: ngezinto ezifanele ze-magnetic kanye ne-conductive ukwakha isekethe nesekethe ye-magnetic induction magnetic, ukuze kukhiqizwe amandla kagesi, ukufeza injongo yokuguqulwa kwamandla. Ijeneretha ivame ukwakhiwa yi-stator, i-rotor, i-end cap kanye ne-bearing.
I-stator yakhiwe yi-stator core, ukugoqa kwe-wire wrap, uhlaka kanye nezinye izingxenye zesakhiwo eziqinisa lezi zingxenye.
I-rotor yakhiwe nge-rotor core (noma i-magnetic pole, i-magnetic choke) winding, indandatho yokuvikela, indandatho ephakathi, indandatho yokushelela, ifeni kanye nomgodi ojikelezayo, njll.
Isembozo sokuthwala kanye nesiphetho kuzoba yi-stator yejeneretha, i-rotor ixhunywe ndawonye, ukuze i-rotor ikwazi ukujikeleza ku-stator, yenze ukunyakaza kokusika umugqa wamandla kazibuthe, ngaleyo ndlela ikhiqize amandla okungenisa, ngokusebenzisa i-terminal lead, exhunywe ku-loop, izokhiqiza ugesi.