Nnwale ihe ngbanwe AC na-anagide voltaji bụ ule nke a na-etinye voltaji ule sinusoidal ike ugboro AC gafere ụfọdụ ọnụọgụ voltaji a nwalere na windings nke ihe ngbanwe a nwalere yana oke ohia, yana oge ya bụ 1 min.Ebumnobi ya bụ iji voltaji ule dị elu karịa ụfọdụ ọnụọgụ volta a tụrụ anya iji dochie oke ikuku ikuku na oke n'ime ime iji chọpụta arụmọrụ mkpuchi nke ihe ngbanwe.Ọ bụ ụzọ dị irè isi chọpụta ike mkpuchi nke transformers, ma bụrụkwa ihe nnwale dị mkpa iji hụ na arụ ọrụ nke ngbanwe dị mma ma zere ihe mberede mkpuchi.Iduzi AC na-anagide voltaji ule nwere ike ịhụ mmiri na ndọpụ ntụpọ na transformer isi mkpuchi, dị ka winding isi mkpuchi cracks, winding loosening na displacement , The ụzọ mkpuchi anya ezughị, na mkpuchi na-arapara n'ahụ ntụpọ dị ka unyi.
HV Hipot GDTF usoro cable ugboro mgbanwe usoro resonance nagide voltaji ngwaọrụ ule
Nnwale voltaji na-eguzogide AC bụ ule na-emebi emebi na ule mkpuchi.A ga-anwale ya mgbe ule ndị ọzọ na-adịghị emebi emebi (dịka nkwụsi ike mkpuchi na ule absorption ratio, ule leakage DC, mbelata mgbazi ọnwụ dielectric na ule mmanụ mkpuchi) tozuru oke..Mgbe ule a ruru eru, enwere ike itinye transformer n'ọrụ.Nnwale mgbanaka AC bụ isi ule.Ya mere, mgbochi ule ụkpụrụ na-akọwa na transformer na 10kV na n'okpuru, na 1 ~ 5 afọ, 66kV na n'okpuru, ga-edokwasị AC idi voltaji mgbe overhaul, mgbe nnọchi nke windings na mgbe ọ dị mkpa ule.
Usoro ule
(1) Nwale wiring obere na ọkara ike transformers n'okpuru 35kV na-etinye na AC na-eguzogide voltaji wiring ule.Ekwesịrị ịnwale ikuku niile.N'oge ule, wires ndu nke ikuku nke ọ bụla kwesịrị ịdị mkpụmkpụ nkekọrịta ọnụ.Ọ bụrụ na ebe na-anọpụ iche nwere eriri ụzọ, wires ndị na-edu ndú kwesịkwara ịdị mkpụmkpụ nke nwere akụkụ atọ.
(2) Nnwale voltaji Ọkọlọtọ nnwale aka na-egosi na ndị na-agbanwe mgbanwe nwere ikike n'okpuru 8000kV yana voltaji dị n'okpuru 110kV ga-edobe ule voltaji AC na-eguzogide dịka ụkpụrụ voltaji ule depụtara na mgbakwunye 1 nke ọkọlọtọ.Usoro ule mgbochi mgbochi na-akọwapụta: A na-akọwapụta ọnụ ahịa voltaji ule nke mgbanwe mmanụ na-eme ka ọ dị na tebụl iwu (nnwale oge niile na-edochi uru voltaji ikuku site na akụkụ).N'ihi na akọrọ-ụdị transformers, mgbe niile windings dochie, na-eso factory ule voltaji uru;maka nnọchi anya nke windings na ule oge niile, pịa 0.85 ugboro uru voltaji ule ụlọ ọrụ.
(3) Akpachara anya na mgbakwunye na kpachara anya maka ule AC na-anagide voltaji, isi ihe ndị a kwesịrị ka edeba ya dịka njirimara nke transformer si dị:
1) Ihe ngbanwe ule ga-enwerịrị ngwaọrụ njem nchebe na-agafe agafe.
2) The AC na-eguzogide voltaji ule nke atọ-phase transformer adịghị mkpa ka a rụrụ na usoro.Otú ọ dị, eriri ụzọ niile nke akụkụ atọ nke ikuku jikọtara ọnụ ga-adị mkpụmkpụ tupu ule ahụ, ma ọ bụghị naanị na ọ ga-emetụta izi ezi nke voltaji ule, ma ọ pụkwara ọbụna itinye ihe mkpuchi isi nke transformer.
3) Usoro nyocha nke mgbochi na-egosi na maka ndị na-agbanwe ihe niile na-ekpuchi ihe dị n'okpuru 66kV, mgbe ọnọdụ saịtị adịghị adị, ọ bụ naanị n'èzí na-ewu ugboro ugboro na-eguzogide ule voltaji nwere ike ime.
4) Maka ndị na-agbanwe ọkụ eletrik nke mkpuchi na-anọpụ iche na-esighị ike karịa akụkụ ndị ọzọ ma ọ bụ ihe mkpuchi akara, enweghị ike iji ule AC na-egbochi voltaji dị n'elu, mana a ga-eji ule induction na-eguzogide voltaji nke ugboro 1.3 voltaji e gosiri.
5) A ghaghị ịnwale ya mgbe ejiri mmanụ ruru eru jupụta na izu ike ruo oge ụfọdụ.
6) Maka ndị na-eme mgbanwe na-arụ ọrụ na obere ikike na ọkwa voltaji nke 35kV, a na-ekwe ka a na-atụle voltaji ule n'akụkụ obere voltaji nke ihe ntụgharị ule.Maka ndị na-eme mgbanwe ọkụ nwere ikike ka ukwuu, iji mee ka nha ahụ bụrụ nke ziri ezi na ntụkwasị obi, a ga-eji ihe ntụgharị voltaji ma ọ bụ voltmeter electrostatic.A na-atụle voltaji ule ozugbo n'akụkụ oke voltaji.
7) Ọ bụrụ na mwepu ma ọ bụ mmebi na-eme n'oge ule, ozugbo wedata voltaji ma bepụ ọkụ eletrik iji zere ọdịda buru ibu.
Oge nzipu: Jan-05-2022