Kungani insimbi engaphakathi ye-transformer kufanele isekelwe phansi?

2. Kungani ama-transformer esebenzisa amashidi ensimbi ye-silicon njengezinsimbi zensimbi?

Ama-transformer asebenzisa amashidi ensimbi ye-silicon njengezinsimbi zensimbi ngoba amashidi ensimbi ye-silicon anokuvuleka okuphezulu kwamagnetic kanye nokumelana okuphansi.

Ku-transformer, i-iron core ithatha indima yokuqhuba i-magnetic flux. Ngakho-ke, i-magnetic accessibility ye-iron core ibaluleke kakhulu. Ishidi lensimbi le-silicon liyinsimbi ephathwe ngokukhethekile enokuvuleka okuphezulu kakhulu kwe-magnetic, lingakwazi ukuqhuba i-magnetic flux ngempumelelo, futhi linganciphisa ukulahleka kwe-magnetic flux kanye nokulahleka kwamanje kwe-eddy.

Ngaphezu kwalokho, i-transformer izokhiqiza isenzakalo sokungeniswa kwe-electromagnetic ngesikhathi senqubo yokusebenza, okuzokhiqiza ugesi we-eddy enkabeni yensimbi. Lawa manzi e-eddy abangela ukulahlekelwa amandla nokushisa komgogodla, okunciphisa ukusebenza kahle kwe-transformer. Ishidi lensimbi ye-silicon linezici zokumelana eziphansi, ezinganciphisa ukulahlekelwa ugesi we-eddy futhi zithuthukise ukusebenza kahle kwe-transformer.

Ngakho-ke, ukusebenzisa ishidi lensimbi le-silicon njengento eyinhloko ye-transformer kungathuthukisa ukusebenza kahle kwe-transformer, kunciphise ukulahleka kwamandla, futhi kunciphise ukukhiqizwa kokushisa kwe-transformer, ngaleyo ndlela kwandise impilo yenkonzo ye-transformer.

3. Iyini indlela yokuvikela ukuvikelwa kwegesi?

Kuma-transformer acwiliswe ku-oyela, ububanzi bokuvikelwa kwegesi ngaphakathi kwe-transformer buhlanganisa kakhulu okuqukethwe yigesi ku-oyela we-transformer.

Ngokuvamile, uwoyela ku-transformer ecwiliswe ku-oyela usetshenziselwa ukuvikela nokupholisa, kodwa lapho i-transformer ihluleka noma iguga ngaphakathi, kuzokhiqizwa amagesi afana negesi ne-hydrogen, okuzoholela ekwandeni kokuqukethwe kwegesi ku-oyela. Uma okuqukethwe kwegesi ku-oyela kuphezulu kakhulu, kuzobangela ukuthi ukusebenza kokuvikela uwoyela kwehle, okuzobangela ukuthi i-transformer ingasebenzi kahle noma iqhume.

Ngakho-ke, ukuze kuvikelwe ukusebenza okuphephile kwe-transformer, kuyadingeka ukuqapha nokulawula okuqukethwe kwegesi ku-oyela we-transformer. Ngokuvamile, i-gas relay iyithuluzi lokuqapha igesi elisetshenziswa kakhulu ku-oyela. I-gas relay ingaqapha ushintsho lokuqukethwe kwegesi ku-oyela, futhi ithumele isignali ye-alamu lapho ukugcwala kwegesi kudlula umkhawulo othile, ukuze kwenziwe ukulungiswa nokugcinwa ngesikhathi.

Ngamafuphi, ububanzi bokuvikelwa kwegesi ngaphakathi kwe-transformer bubhekisela kakhulu kokuqukethwe kwegesi ku-oyili ye-transformer, okudingeka kuqashwe futhi kulawulwe ngamadivayisi afana nokudluliselwa kwegesi ukuze kuvikelwe ukusebenza okuphephile kwe-transformer.

4. Ungabhekana kanjani nokwehluleka kwe-cooler ye-transformer eyinhloko?

Ukwehluleka kwesiqandisi esiyinhloko se-transformer kungabangela ukuthi izinga lokushisa lesiqandisi esiyinhloko likhuphuke, ngaleyo ndlela kuthinte ukusebenza okuvamile kwesiqandisi. Ngakho-ke, uma kutholakala ukuthi isiqandisi esiyinhloko se-transformer sinephutha, kubalulekile ukuthatha izinyathelo ngesikhathi ukuze sibhekane naso. Nazi ezinye izindlela ezingaba khona:

Ukushintsha Izingxenye Zokupholisa Ezinephutha: Uma ezinye izingxenye ku-cooler yakho zonakele noma zingasebenzi kahle, cabanga ngokuzishintsha lezo zingxenye ukuze ubuyisele i-cooler ekusebenzeni kahle. Umsebenzi othize udinga ukwenziwa ngokwesakhiwo se-cooler kanye nembangela yokwehluleka.

Hlanza i-cooler: Uma amapayipi noma amaphiko okupholisa e-cooler evalekile noma ukungcola kuqongelela, kunganciphisa umphumela wokupholisa futhi kuthinte ukusebenza okuvamile kwe-transformer. Indlela yokuhlanza ingasetshenziswa ukususa ukungcola kanye nokudla okungaphakathi kwe-cooler ukuze kubuyiselwe ukusebenza okuvamile kwe-cooler.

Qinisa ukuqapha nokunakekela: Ukuze kugwenywe umthelela omubi wokwehluleka kwe-transformer cooler eyinhloko ku-transformer, ukuqapha nokunakekela i-cooler kungaqiniswa. Hlola njalo futhi unakekele i-cooler, bese uthola futhi uxazulule izinkinga ngesikhathi, ezingathuthukisa ukuthembeka nokuzinza kwe-cooler.

Izinyathelo zesikhashana eziphuthumayo: Ngesikhathi sokuxazulula izinkinga, kungathathwa ezinye izinyathelo zesikhashana eziphuthumayo, njengokunciphisa umthwalo we-transformer eyinhloko, ukwandisa umoya, njll., ukunciphisa izinga lokushisa le-transformer nokuqinisekisa ukusebenza okuphephile kwe-transformer.

Ngamafuphi, ukuze i-transformer cooler eyinhloko ihluleke, kubalulekile ukuthatha izinyathelo ezifika ngesikhathi ukuze kuqinisekiswe ukusebenza okuvamile kanye nokuphepha kwe-transformer. Indlela ethile yokwelapha idinga ukukhethwa ngokuya ngesakhiwo se-cooler kanye nembangela yokwehluleka.

5. Iyini imiphumela yokusebenza okufanayo kwama-transformer angahlangabezani nezimo zokusebenza okufanayo?

Ukusebenza okufanayo kwama-transformer angahlangabezani nezimo zokusebenza okufanayo kungaholela emiphumeleni elandelayo:

Ukungazinzi kwe-voltage: Ama-transformer ahlukene angaba namapharamitha kagesi ahlukene, njengesilinganiso sokuguqulwa, ukumelana, i-inductance, njll. Uma la ma-transformer anamapharamitha ahlukene ephoqeleka ukuthi asebenze ngokuhambisana, amapharamitha kagesi aphelele ngemva kokufana angase angazinzile, ngaleyo ndlela athinte ikhwalithi yokunikezwa kwamandla.

Ukusatshalaliswa komthwalo okungalingani: Uma ama-transformer anokusatshalaliswa komthwalo okungalingani ephoqeleka ukuthi asebenze ngesikhathi esifanayo, ama-transformer ahlukene angase athwale imithwalo ehlukene, ngaleyo ndlela kuthinte impilo yesevisi kanye nokuqina kwama-transformer.

Ukwenyuka kwezinga lokushisa ngokweqile: Uma ama-transformer ahlukene esebenza ngesikhathi esisodwa, izimo zawo zokushisa zingase zihluke, okungase kubangele ukwenyuka kwezinga lokushisa ngokweqile kwamanye ama-transformer, futhi kungalimaza ngisho ne-transformer.

Izingozi zokuphepha: Uma ama-transformer ahlukene esebenza ngesikhathi esisodwa, kungase kube nomehluko ezindleleni zawo zokuxhuma kanye nezinyathelo zokuvikela, okungaholela ekungasebenzi kahle kukagesi noma ezingozini zokuphepha.

Ngakho-ke, ukuze kuqinisekiswe ukusebenza okuvamile nokuphepha kwama-transformer, kubalulekile ukukhetha ama-transformer afanele okusebenza okufanayo ngokwesimo sangempela, ukulandela ngokuqinile izimo nezidingo zokusebenza ezifanayo, nokuqinisekisa ukuthi ama-transformer ayafanelana, ayahambisana, futhi asebenzisana ukuthuthukisa ikhwalithi yokunikezwa kwamandla kanye nokuzinza.

7. Yini ebangela ukuthi i-transformer yenze umsindo ongajwayelekile?

Kungaba nezizathu eziningana zokuthi kungani i-transformer ingase yenze imisindo engavamile, nazi ezinye zezimbangela ezingaba khona:

Ukujikeleza okufushane noma ukuthintana okubi kokugoqa ngaphakathi kwe-transformer: Ukujikeleza okufushane noma ukuthintana okubi kokugoqa ngaphakathi kwe-transformer kungaholela kugesi ongazinzile noma ugesi oweqile, okuholela emsindweni ongajwayelekile.

Ukungcola noma amagesi ku-oyili: Ukungcola noma amagesi ku-oyili ngaphakathi kwe-transformer kungabangela ukugeleza kukawoyela okungazinzile noma ukushukuma komoya, okuholela emsindweni ongajwayelekile.

Ukwehluleka kwemishini: Ukwehluleka kwemishini ngaphakathi kwe-transformer, njengokwehluleka kwemishini njengefeni yokupholisa ye-transformer noma amaphampu, kungabangela imisindo engajwayelekile.

Amapayipi axegayo noma avuzayo: Amapayipi axegayo noma avuzayo ngaphakathi kwe-transformer angabangela ukushukuma komoya noma ukugeleza kwegesi okungazinzile, okungadala imisindo engavamile.

Izici zemvelo zangaphandle: Izici ezifana nokushisa okweqile kwendawo yokusebenza ye-transformer noma ukuphazamiseka komsindo nakho kungabangela imisindo engavamile.

Ngakho-ke, uma i-transformer yenza umsindo ongajwayelekile, kuyadingeka ukuhlola nokulungisa i-transformer ngesikhathi. Indlela ethile yokulungisa idinga ukukhethwa ngokwembangela yomsindo ongajwayelekile kanye nesimo esithile ukuze kubuyiselwe ukusebenza okuvamile kanye nokuzinza kwe-transformer. Ngesikhathi esifanayo, ngesikhathi sokufakwa, ukusebenza kanye nokugcinwa kwe-transformer, kufanele kuqashelwe izinga lokushisa lemvelo, umswakama, umsindo kanye nezinye izinto ukuze kugwenywe imiphumela emibi ku-transformer.

8. Kunini lapho kungavunyelwe khona ukulungisa umshini wokushintsha impompi wedivayisi yokulawula i-transformer on-load voltage?

Idivayisi yokulawula i-voltage elayishiwe iyithuluzi elivamile lokwengeza le-transformer, elisetshenziselwa ukulungisa isilinganiso sokuguqulwa lapho i-transformer isebenza, ukuze kufezwe injongo yokulungisa i-voltage ephumayo. Uma usebenzisa i-regulator yengcindezi elayishiwe, amaphuzu alandelayo kudingeka anakwe:

Akuvunyelwe ukusebenza ngaphansi kwezimo ezibukhoma: ngoba i-transformer isebenza ngaphansi kwezimo ezibukhoma, i-tap changer yedivayisi elawula i-voltage ekulayishweni izoba ne-arc uma ilungiswa, ngakho-ke ayivunyelwe ukusebenzisa i-tap changer ngaphansi kwezimo ezibukhoma.

Ukulungiswa okuvamile akuvunyelwe: ukulungiswa okuvamile kokushintsha kwempompi kwe-tap changer ekulayishweni kungabangela umonakalo ku-tap changer noma ukuthintana okubi, ngaleyo ndlela kuthinte ukusebenza okuvamile kwe-transformer.

Ukulungiswa ngaphansi kwezimo zomthwalo osindayo noma zesekethe esifushane akuvunyelwe: Ngaphansi kwezimo zomthwalo osindayo noma zesekethe esifushane ku-transformer, ukulungiswa kwe-tap changer kungabangela ukugoba noma ugesi oweqile, okuholela ekulimaleni kwe-tap changer noma i-transformer.

Lalela izinqubo zokusebenza kanye nezinyathelo zokuphepha: Uma usebenzisa idivayisi elawula ukucindezeleka okusemthwalweni, udinga ukulandela izinqubo zokusebenza kanye nezinyathelo zokuphepha, njengokugqoka imishini yokuzivikela nokulandela izinqubo zokusebenza ukuqinisekisa ukusebenza okuphephile.

Ngamafuphi, akuvunyelwe ukusebenza ngaphansi kwezimo ezibukhoma, ukulungiswa okuvamile, imithwalo esindayo noma ukulungiswa ngaphansi kwezimo ze-short-circuit. Uma usebenzisa idivayisi elawula ukucindezela okusemthwalweni, izinqubo zokusebenza kanye nezinyathelo zokuphepha kufanele zilandelwe ukuqinisekisa ukusebenza okuphephile nokuzinzile.

9. Lisho ukuthini inani elilinganiselwe ku-nameplate ye-transformer?

Inani elilinganiselwe ku-nameplate ye-transformer libhekisela kwezinye izilinganiso zikagesi ezibalulekile kanye nezinkomba zokusebenza kwe-transformer. Ngokuvamile lifaka izici ezilandelayo:

Umthamo olinganisiwe: Umthamo olinganisiwe we-transformer ubhekisela emandleni kagesi aphezulu kakhulu i-transformer engawanikeza njalo. Isibonelo, i-transformer engu-10MVA isho ukuthi umthwalo omkhulu we-transformer ungafinyelela kuma-megawatts ayi-10.

I-voltage elinganisiwe: I-voltage elinganisiwe ye-transformer ibhekisela ku-voltage yokuklama ye-transformer. Isibonelo, i-transformer engu-220kV/110kV isho ukuthi i-voltage yokufaka ye-transformer ingu-220 kV kanti i-voltage yokuphuma ingu-110 kV.

Imvamisa elinganisiwe: Imvamisa elinganisiwe ye-transformer ibhekisela kumvamisa yamandla lapho i-transformer yenzelwe khona. EShayina, imvamisa yamandla ivame ukuba ngu-50Hz.

Ugesi omelana nesikhathi esifushane: Ugesi omelana nesikhathi esifushane we-transformer ubhekisela enanini eliphezulu lamanje elingakwazi ukumelana ne-transformer esikhathini esifushane. Isibonelo, ugesi omelana nesikhathi esifushane we-transformer ngu-50kA, okusho ukuthi i-transformer ingamelana nogesi osheshayo ofika ku-50 kA.

Izinga lokufakwa komoya: Izinga lokufakwa komoya le-transformer libhekisela ekusebenzeni kokufakwa komoya kwe-transformer ngesikhathi sokuklama. Isibonelo, i-transformer engu-220kV isho ukuthi i-voltage yokufakwa komoya eklanywe kahle ye-transformer ingu-220 kV.

Indlela Yokupholisa: Indlela yokupholisa ye-transformer ibhekisela endleleni yokusabalalisa ukushisa ye-transformer. Isibonelo, ama-transformer angasusa ukushisa ngokupholisa kwemvelo, ukupholisa umoya okuphoqelelwe, noma ukupholisa ngamanzi okuphoqelelwe.

Ngamafuphi, inani elilinganiselwe ku-nameplate ye-transformer libhekisela kwezinye izilinganiso zikagesi ezibalulekile kanye nezinkomba zokusebenza kwe-transformer, okubaluleke kakhulu ekukhetheni, ekufakweni nasekusebenzeni kwe-transformer.

10. Kungani i-inverter yomthombo yamanje idinga umthamo omkhulu we-transformer?

I-inverter yomthombo wamanje uhlobo oluvamile lwe-inverter. Indlela yayo yokulawula isebenzisa ukulawula kwe-current loop, okunezinzuzo zokunemba okuphezulu kanye nokuzivumelanisa nezimo okuqinile, futhi isetshenziswa kabanzi ekukhiqizweni kwezimboni. Ngenxa yezici zokusebenza ze-inverter yomthombo wamanje, kudingeka umthamo omkhulu we-transformer ngezizathu ezilandelayo:

I-inverter yomthombo wamanje isebenzisa i-inductance ephakathi: i-inverter yomthombo wamanje isebenzisa i-inductor ephakathi, engabona umehluko wesigaba phakathi kwe-voltage yokukhipha kanye ne-current, ukuze kutholakale ukulawula ukuguqulwa kwemvamisa. Kodwa-ke, njengoba i-inductor ephakathi idinga ukumelana ne-current enkulu kanye ne-voltage, kuyadingeka ukukhetha i-transformer enamandla amakhulu ukuqinisekisa ukusebenza okuvamile kwe-inductor.

I-inverter yomthombo wamanje ine-power factor ephezulu: I-inverter yomthombo wamanje ine-power factor ephezulu, engafinyelela ukulungiswa kwe-power factor ephezulu, ngaleyo ndlela inciphise ukungcola kwe-grid harmonic. Kodwa-ke, njengoba i-power factor ephezulu idinga ukwesekwa kwe-capacitor enkulu, i-transformer enamandla amakhulu idinga ukukhethwa ukuze ihlangabezane nezidingo zokunikezwa kwamandla ze-capacitor.

I-inverter yomthombo wamanje idinga ukunikezwa kwamandla okwengeziwe: Isekethe ye-inverter yomthombo wamanje idinga ukunikezwa kwamandla okwengeziwe ukuqinisekisa ukusebenza okuvamile kokulawula kwe-loop yamanje. Le mithombo yamandla eyengeziwe idinga amandla anele okusekela, ngakho-ke i-transformer enamandla amakhulu idinga ukukhethwa ukuze ihlangabezane nezidingo zokunikezwa kwamandla.

Ngakho-ke, i-inverter yomthombo wamanje idinga umthamo omkhulu we-transformer ukuqinisekisa ukusebenza okuvamile kwe-inductor ephakathi, ukusekela ukunikezwa kwamandla kwe-capacitor nokuhlangabezana nezidingo zokunikezwa kwamandla. Uma ukhetha i-transformer, idinga ukukhethwa ngokuya ngamapharamitha kagesi wangempela kanye nezidingo zokusebenza ukuqinisekisa ukusebenza okuvamile kanye nokuzinza kwe-inverter.

11. Umthamo we-transformer uhlobene nani?

Umthamo we-transformer ubhekisela emandleni kagesi aphezulu kakhulu i-transformer engawathwala. Umthamo we-transformer uhlobene nalezi zinto ezilandelayo:

I-voltage yokufaka kanye ne-voltage yokuphuma: I-voltage yokufaka kanye ne-voltage yokuphuma ye-transformer kunquma isilinganiso sokuguqulwa kwe-transformer, okuthinta amandla e-transformer. Uma i-voltage yokufaka ye-transformer iphakeme futhi i-voltage yokuphuma iphansi, isilinganiso sokuguqulwa sikhulu futhi amandla amakhulu.

Uhlobo lomthwalo: Imithwalo ehlukene inezici zamandla ezihlukene, okuqukethwe okuvumelanayo nezinye izici, ezithinta amandla e-transformer. Ngemithwalo ekhuthazayo, amandla e-transformer angancishiswa ngokufanele; ngemithwalo engeyona eqondile, amandla e-transformer kudingeka akhuliswe ngokufanele.

Izinga lokushisa elikhuphukayo: Umthamo we-transformer uzokwehla njengoba izinga lokushisa likhuphuka. Ngakho-ke, kubalulekile ukucabangela indlela efanele yokusabalalisa ukushisa kanye nendawo yokusabalalisa ukushisa lapho uklama i-transformer ukuqinisekisa ukuthi ukuphakama kwezinga lokushisa kwe-transformer akudluli ububanzi obuvunyelwe.

Indlela yokuxhuma: Izindlela ezahlukene zokuxhumanisa i-transformer, njengenkanyezi, i-delta, njll., nazo zizothinta amandla e-transformer. Ekuxhumekeni kwenkanyezi, amandla e-transformer angandiswa cishe izikhathi ezintathu; ekuxhumekeni kwe-delta, amandla e-transformer mancane kakhulu.

Izinga lokuvikela: Izinga lokuvikela le-transformer linquma ikhono lokuvikela kanye nokusebenza kokuphepha kwe-transformer, futhi lithinta namandla e-transformer.

Ngamafuphi, amandla e-transformer ahlobene nezici ezifana ne-input voltage kanye ne-output voltage, uhlobo lomthwalo, ukukhuphuka kwezinga lokushisa, indlela yokuxhuma kanye nezinga lokuvikela. Lapho ukhetha i-transformer, kubalulekile ukucabangela ngokuphelele izici ezahlukahlukene ngokwesimo sangempela ukuqinisekisa ukusebenza okuvamile kanye nokuqina kwe-transformer.

12. Ungakuthuthukisa kanjani ukusebenza kwe-transformer?

Ukusebenza kahle kwe-transformer kubhekisela ekusebenzeni kahle kokuguqulwa kwamandla kwe-transformer, okungukuthi, isilinganiso samandla okukhipha amandla okufaka. Ukuthuthukisa ukusebenza kwama-transformer kunganciphisa ukulahleka kwamandla nokusetshenziswa kwamandla, ngaleyo ndlela kuthuthukiswe umnotho kanye nokuthembeka kwama-transformer. Nazi izindlela ezimbalwa zokuthuthukisa ukusebenza kwe-transformer:

Ukuthuthukisa umklamo we-transformer: Lapho kuklanywa i-transformer, izindlela zokuklama ezithuthukisiwe zingasetshenziswa, njengokunciphisa ukungafuni kwe-iron core kanye ne-winding, ukunciphisa ukulahleka kwethusi kanye nokulahlekelwa yi-iron, njll., ngaleyo ndlela kuncishiswe ukulahleka kwamandla kwe-transformer kanye nokuthuthukisa ukusebenza.

Khetha izinto ezisezingeni eliphezulu: Lapho ukhiqiza ama-transformer, ungakhetha izinto ezisezingeni eliphezulu, njengezingcwecwe zensimbi ze-silicon ezilahlekelwa kancane, izinto ezithwala umoya ophezulu, njll., ukuze unciphise ukulahlekelwa kwezinto kanye nokusetshenziswa kwamandla nokuthuthukisa ukusebenza.

Sebenzisa izindlela zokonga amandla: Ngesikhathi sokusebenza kwe-transformer, ungasebenzisa izindlela zokonga amandla, njengokusebenzisa uhlelo lokupholisa olusebenza kahle kakhulu, ukunciphisa izinga lomthwalo we-transformer, ukwenza ngcono ukuhlela ukusebenza kwe-transformer, njll., ukuze kuncishiswe ukulahleka kwamandla nokuthuthukisa ukusebenza kahle.

Ukugcinwa nokulungiswa okuvamile: Ukugcinwa nokulungiswa okuvamile kwama-transformer kungagcina ukusebenza okuvamile kanye nokuzinza kwama-transformer, ngaleyo ndlela kuncishiswe ukulahleka kwamandla futhi kuthuthukiswe ukusebenza.

Khetha indlela efanele yokuxhuma i-transformer: Izindlela ezahlukene zokuxhuma ze-transformer nazo zizothinta ukusebenza kwe-transformer. Lapho ukhetha indlela yokuxhuma i-transformer, indlela efanele yokuxhuma ingakhethwa ngokuya ngezidingo zangempela kanye nezici zomthwalo ukuze kuthuthukiswe ukusebenza kahle.

Ngamafuphi, ukuthuthukisa ukusebenza kahle kwe-transformer kungatholakala ngokwenza ngcono umklamo, ukukhetha izinto ezisezingeni eliphezulu, ukusebenzisa izindlela zokonga amandla, ukulungiswa nokulungiswa njalo, nokukhetha izindlela zokuxhuma ezifanele. Ekusetshenzisweni okungokoqobo, izici ezahlukahlukene zidinga ukucatshangelwa ngokuphelele ukuze kukhethwe indlela efanele kakhulu yokuthuthukisa ukusebenza.

14. Kuyini i-eddy current? Yiziphi izinkinga zokukhiqizwa kwe-eddy current?

Ugesi we-Eddy ubhekisela ohlotsheni logesi okhiqizwa kumqhubi, okungugesi obangelwa ukushintsha kwensimu yamagnetic. Ugesi we-eddy wakha indlela yokugeleza kogesi oyindilinga kumqhubi, futhi lo gesi wakha isimo sokunyakaza esifana nogesi we-eddy ngaphakathi kumqhubi, ngakho-ke ubizwa ngokuthi ugesi we-eddy.

Ukukhiqizwa kwemisinga ye-eddy kunezinkinga ezilandelayo:

Ukulahlekelwa amandla: Ama-Eddy currents adala ama-circular currents kuma-conductor, akhiqiza ukushisa njengoba egeleza njalo kuma-conductor. Njengoba ukukhiqizwa kwama-eddy currents kubangelwa izinguquko ensimini yamagnetic, emishinini efana nama-transformer nama-motor,